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Dosya Düzenle: deprecated.php

<?php
/**
 * Deprecated functions from past WordPress versions. You shouldn't use these
 * functions and look for the alternatives instead. The functions will be
 * removed in a later version.
 *
 * @package WordPress
 * @subpackage Deprecated
 */

/*
 * Deprecated functions come here to die.
 */

/**
 * Retrieves all post data for a given post.
 *
 * @since 0.71
 * @deprecated 1.5.1 Use get_post()
 * @see get_post()
 *
 * @param int $postid Post ID.
 * @return array Post data.
 */
function get_postdata($postid) {
	_deprecated_function( __FUNCTION__, '1.5.1', 'get_post()' );

$post = get_post($postid);

$postdata = array (
		'ID' => $post->ID,
		'Author_ID' => $post->post_author,
		'Date' => $post->post_date,
		'Content' => $post->post_content,
		'Excerpt' => $post->post_excerpt,
		'Title' => $post->post_title,
		'Category' => $post->post_category,
		'post_status' => $post->post_status,
		'comment_status' => $post->comment_status,
		'ping_status' => $post->ping_status,
		'post_password' => $post->post_password,
		'to_ping' => $post->to_ping,
		'pinged' => $post->pinged,
		'post_type' => $post->post_type,
		'post_name' => $post->post_name
	);

return $postdata;
}

/**
 * Sets up the WordPress Loop.
 *
 * Use The Loop instead.
 *
 * @link https://developer.wordpress.org/themes/basics/the-loop/
 *
 * @since 1.0.1
 * @deprecated 1.5.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 */
function start_wp() {
	global $wp_query;

_deprecated_function( __FUNCTION__, '1.5.0', __('new WordPress Loop') );

// Since the old style loop is being used, advance the query iterator here.
	$wp_query->next_post();

setup_postdata( get_post() );
}

/**
 * Returns or prints a category ID.
 *
 * @since 0.71
 * @deprecated 0.71 Use get_the_category()
 * @see get_the_category()
 *
 * @param bool $display Optional. Whether to display the output. Default true.
 * @return int Category ID.
 */
function the_category_ID($display = true) {
	_deprecated_function( __FUNCTION__, '0.71', 'get_the_category()' );

// Grab the first cat in the list.
	$categories = get_the_category();
	$cat = $categories[0]->term_id;

if ( $display )
		echo $cat;

return $cat;
}

/**
 * Prints a category with optional text before and after.
 *
 * @since 0.71
 * @deprecated 0.71 Use get_the_category_by_ID()
 * @see get_the_category_by_ID()
 *
 * @param string $before Optional. Text to display before the category. Default empty.
 * @param string $after  Optional. Text to display after the category. Default empty.
 */
function the_category_head( $before = '', $after = '' ) {
	global $currentcat, $previouscat;

_deprecated_function( __FUNCTION__, '0.71', 'get_the_category_by_ID()' );

// Grab the first cat in the list.
	$categories = get_the_category();
	$currentcat = $categories[0]->category_id;
	if ( $currentcat != $previouscat ) {
		echo $before;
		echo get_the_category_by_ID($currentcat);
		echo $after;
		$previouscat = $currentcat;
	}
}

/**
 * Prints a link to the previous post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use previous_post_link()
 * @see previous_post_link()
 *
 * @param string $format
 * @param string $previous
 * @param string $title
 * @param string $in_same_cat
 * @param int    $limitprev
 * @param string $excluded_categories
 */
function previous_post($format='%', $previous='previous post: ', $title='yes', $in_same_cat='no', $limitprev=1, $excluded_categories='') {

_deprecated_function( __FUNCTION__, '2.0.0', 'previous_post_link()' );

if ( empty($in_same_cat) || 'no' == $in_same_cat )
		$in_same_cat = false;
	else
		$in_same_cat = true;

$post = get_previous_post($in_same_cat, $excluded_categories);

if ( !$post )
		return;

$string = '<a href="'.get_permalink($post->ID).'">'.$previous;
	if ( 'yes' == $title )
		$string .= apply_filters('the_title', $post->post_title, $post->ID);
	$string .= '</a>';
	$format = str_replace('%', $string, $format);
	echo $format;
}

/**
 * Prints link to the next post.
 *
 * @since 0.71
 * @deprecated 2.0.0 Use next_post_link()
 * @see next_post_link()
 *
 * @param string $format
 * @param string $next
 * @param string $title
 * @param string $in_same_cat
 * @param int $limitnext
 * @param string $excluded_categories
 */
function next_post($format='%', $next='next post: ', $title='yes', $in_same_cat='no', $limitnext=1, $excluded_categories='') {
	_deprecated_function( __FUNCTION__, '2.0.0', 'next_post_link()' );

if ( empty($in_same_cat) || 'no' == $in_same_cat )
		$in_same_cat = false;
	else
		$in_same_cat = true;

$post = get_next_post($in_same_cat, $excluded_categories);

if ( !$post	)
		return;

$string = '<a href="'.get_permalink($post->ID).'">'.$next;
	if ( 'yes' == $title )
		$string .= apply_filters('the_title', $post->post_title, $post->ID);
	$string .= '</a>';
	$format = str_replace('%', $string, $format);
	echo $format;
}

/**
 * Whether user can create a post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $blog_id Not Used
 * @param int $category_id Not Used
 * @return bool
 */
function user_can_create_post($user_id, $blog_id = 1, $category_id = 'None') {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

$author_data = get_userdata($user_id);
	return ($author_data->user_level > 1);
}

/**
 * Whether user can create a post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $blog_id Not Used
 * @param int $category_id Not Used
 * @return bool
 */
function user_can_create_draft($user_id, $blog_id = 1, $category_id = 'None') {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

$author_data = get_userdata($user_id);
	return ($author_data->user_level >= 1);
}

/**
 * Whether user can edit a post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $post_id
 * @param int $blog_id Not Used
 * @return bool
 */
function user_can_edit_post($user_id, $post_id, $blog_id = 1) {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

$author_data = get_userdata($user_id);
	$post = get_post($post_id);
	$post_author_data = get_userdata($post->post_author);

if ( (($user_id == $post_author_data->ID) && !($post->post_status == 'publish' && $author_data->user_level < 2))
			|| ($author_data->user_level > $post_author_data->user_level)
			|| ($author_data->user_level >= 10) ) {
		return true;
	} else {
		return false;
	}
}

/**
 * Whether user can delete a post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $post_id
 * @param int $blog_id Not Used
 * @return bool
 */
function user_can_delete_post($user_id, $post_id, $blog_id = 1) {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

// Right now if one can edit, one can delete.
	return user_can_edit_post($user_id, $post_id, $blog_id);
}

/**
 * Whether user can set new posts' dates.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $blog_id Not Used
 * @param int $category_id Not Used
 * @return bool
 */
function user_can_set_post_date($user_id, $blog_id = 1, $category_id = 'None') {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

$author_data = get_userdata($user_id);
	return (($author_data->user_level > 4) && user_can_create_post($user_id, $blog_id, $category_id));
}

/**
 * Whether user can delete a post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $post_id
 * @param int $blog_id Not Used
 * @return bool returns true if $user_id can edit $post_id's date
 */
function user_can_edit_post_date($user_id, $post_id, $blog_id = 1) {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

$author_data = get_userdata($user_id);
	return (($author_data->user_level > 4) && user_can_edit_post($user_id, $post_id, $blog_id));
}

/**
 * Whether user can delete a post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $post_id
 * @param int $blog_id Not Used
 * @return bool returns true if $user_id can edit $post_id's comments
 */
function user_can_edit_post_comments($user_id, $post_id, $blog_id = 1) {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

// Right now if one can edit a post, one can edit comments made on it.
	return user_can_edit_post($user_id, $post_id, $blog_id);
}

/**
 * Whether user can delete a post.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $post_id
 * @param int $blog_id Not Used
 * @return bool returns true if $user_id can delete $post_id's comments
 */
function user_can_delete_post_comments($user_id, $post_id, $blog_id = 1) {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

// Right now if one can edit comments, one can delete comments.
	return user_can_edit_post_comments($user_id, $post_id, $blog_id);
}

/**
 * Can user can edit other user.
 *
 * @since 1.5.0
 * @deprecated 2.0.0 Use current_user_can()
 * @see current_user_can()
 *
 * @param int $user_id
 * @param int $other_user
 * @return bool
 */
function user_can_edit_user($user_id, $other_user) {
	_deprecated_function( __FUNCTION__, '2.0.0', 'current_user_can()' );

$user  = get_userdata($user_id);
	$other = get_userdata($other_user);
	if ( $user->user_level > $other->user_level || $user->user_level > 8 || $user->ID == $other->ID )
		return true;
	else
		return false;
}

/**
 * Gets the links associated with category $cat_name.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use get_bookmarks()
 * @see get_bookmarks()
 *
 * @param string $cat_name         Optional. The category name to use. If no match is found, uses all.
 *                                 Default 'noname'.
 * @param string $before           Optional. The HTML to output before the link. Default empty.
 * @param string $after            Optional. The HTML to output after the link. Default '<br />'.
 * @param string $between          Optional. The HTML to output between the link/image and its description.
 *                                 Not used if no image or $show_images is true. Default ' '.
 * @param bool   $show_images      Optional. Whether to show images (if defined). Default true.
 * @param string $orderby          Optional. The order to output the links. E.g. 'id', 'name', 'url',
 *                                 'description', 'rating', or 'owner'. Default 'id'.
 *                                 If you start the name with an underscore, the order will be reversed.
 *                                 Specifying 'rand' as the order will return links in a random order.
 * @param bool   $show_description Optional. Whether to show the description if show_images=false/not defined.
 *                                 Default true.
 * @param bool   $show_rating      Optional. Show rating stars/chars. Default false.
 * @param int    $limit            Optional. Limit to X entries. If not specified, all entries are shown.
 *                                 Default -1.
 * @param int    $show_updated     Optional. Whether to show last updated timestamp. Default 0.
 */
function get_linksbyname($cat_name = "noname", $before = '', $after = '<br />', $between = " ", $show_images = true, $orderby = 'id',
						$show_description = true, $show_rating = false,
						$limit = -1, $show_updated = 0) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );

$cat_id = -1;
	$cat = get_term_by('name', $cat_name, 'link_category');
	if ( $cat )
		$cat_id = $cat->term_id;

get_links($cat_id, $before, $after, $between, $show_images, $orderby, $show_description, $show_rating, $limit, $show_updated);
}

/**
 * Gets the links associated with the named category.
 *
 * @since 1.0.1
 * @deprecated 2.1.0 Use wp_list_bookmarks()
 * @see wp_list_bookmarks()
 *
 * @param string $category The category to use.
 * @param string $args
 * @return string|null
 */
function wp_get_linksbyname($category, $args = '') {
	_deprecated_function(__FUNCTION__, '2.1.0', 'wp_list_bookmarks()');

$defaults = array(
		'after' => '<br />',
		'before' => '',
		'categorize' => 0,
		'category_after' => '',
		'category_before' => '',
		'category_name' => $category,
		'show_description' => 1,
		'title_li' => '',
	);

$parsed_args = wp_parse_args( $args, $defaults );

return wp_list_bookmarks($parsed_args);
}

/**
 * Gets an array of link objects associated with category $cat_name.
 *
 *     $links = get_linkobjectsbyname( 'fred' );
 *     foreach ( $links as $link ) {
 *      	echo '<li>' . $link->link_name . '</li>';
 *     }
 *
 * @since 1.0.1
 * @deprecated 2.1.0 Use get_bookmarks()
 * @see get_bookmarks()
 *
 * @param string $cat_name Optional. The category name to use. If no match is found, uses all.
 *                         Default 'noname'.
 * @param string $orderby  Optional. The order to output the links. E.g. 'id', 'name', 'url',
 *                         'description', 'rating', or 'owner'. Default 'name'.
 *                         If you start the name with an underscore, the order will be reversed.
 *                         Specifying 'rand' as the order will return links in a random order.
 * @param int    $limit    Optional. Limit to X entries. If not specified, all entries are shown.
 *                         Default -1.
 * @return array
 */
function get_linkobjectsbyname($cat_name = "noname" , $orderby = 'name', $limit = -1) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );

$cat_id = -1;
	$cat = get_term_by('name', $cat_name, 'link_category');
	if ( $cat )
		$cat_id = $cat->term_id;

return get_linkobjects($cat_id, $orderby, $limit);
}

/**
 * Gets an array of link objects associated with category n.
 *
 * Usage:
 *
 *     $links = get_linkobjects(1);
 *     if ($links) {
 *     	foreach ($links as $link) {
 *     		echo '<li>'.$link->link_name.'<br />'.$link->link_description.'</li>';
 *     	}
 *     }
 *
 * Fields are:
 *
 * - link_id
 * - link_url
 * - link_name
 * - link_image
 * - link_target
 * - link_category
 * - link_description
 * - link_visible
 * - link_owner
 * - link_rating
 * - link_updated
 * - link_rel
 * - link_notes
 *
 * @since 1.0.1
 * @deprecated 2.1.0 Use get_bookmarks()
 * @see get_bookmarks()
 *
 * @param int    $category Optional. The category to use. If no category supplied, uses all.
 *                         Default 0.
 * @param string $orderby  Optional. The order to output the links. E.g. 'id', 'name', 'url',
 *                         'description', 'rating', or 'owner'. Default 'name'.
 *                         If you start the name with an underscore, the order will be reversed.
 *                         Specifying 'rand' as the order will return links in a random order.
 * @param int    $limit    Optional. Limit to X entries. If not specified, all entries are shown.
 *                         Default 0.
 * @return array
 */
function get_linkobjects($category = 0, $orderby = 'name', $limit = 0) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );

$links = get_bookmarks( array( 'category' => $category, 'orderby' => $orderby, 'limit' => $limit ) ) ;

$links_array = array();
	foreach ($links as $link)
		$links_array[] = $link;

return $links_array;
}

/**
 * Gets the links associated with category 'cat_name' and display rating stars/chars.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use get_bookmarks()
 * @see get_bookmarks()
 *
 * @param string $cat_name         Optional. The category name to use. If no match is found, uses all.
 *                                 Default 'noname'.
 * @param string $before           Optional. The HTML to output before the link. Default empty.
 * @param string $after            Optional. The HTML to output after the link. Default '<br />'.
 * @param string $between          Optional. The HTML to output between the link/image and its description.
 *                                 Not used if no image or $show_images is true. Default ' '.
 * @param bool   $show_images      Optional. Whether to show images (if defined). Default true.
 * @param string $orderby          Optional. The order to output the links. E.g. 'id', 'name', 'url',
 *                                 'description', 'rating', or 'owner'. Default 'id'.
 *                                 If you start the name with an underscore, the order will be reversed.
 *                                 Specifying 'rand' as the order will return links in a random order.
 * @param bool   $show_description Optional. Whether to show the description if show_images=false/not defined.
 *                                 Default true.
 * @param int    $limit		       Optional. Limit to X entries. If not specified, all entries are shown.
 *                                 Default -1.
 * @param int    $show_updated     Optional. Whether to show last updated timestamp. Default 0.
 */
function get_linksbyname_withrating($cat_name = "noname", $before = '', $after = '<br />', $between = " ",
									$show_images = true, $orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );

get_linksbyname($cat_name, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
}

/**
 * Gets the links associated with category n and display rating stars/chars.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use get_bookmarks()
 * @see get_bookmarks()
 *
 * @param int    $category         Optional. The category to use. If no category supplied, uses all.
 *                                 Default 0.
 * @param string $before           Optional. The HTML to output before the link. Default empty.
 * @param string $after            Optional. The HTML to output after the link. Default '<br />'.
 * @param string $between          Optional. The HTML to output between the link/image and its description.
 *                                 Not used if no image or $show_images is true. Default ' '.
 * @param bool   $show_images      Optional. Whether to show images (if defined). Default true.
 * @param string $orderby          Optional. The order to output the links. E.g. 'id', 'name', 'url',
 *                                 'description', 'rating', or 'owner'. Default 'id'.
 *                                 If you start the name with an underscore, the order will be reversed.
 *                                 Specifying 'rand' as the order will return links in a random order.
 * @param bool   $show_description Optional. Whether to show the description if show_images=false/not defined.
 *                                 Default true.
 * @param int    $limit		       Optional. Limit to X entries. If not specified, all entries are shown.
 *                                 Default -1.
 * @param int    $show_updated     Optional. Whether to show last updated timestamp. Default 0.
 */
function get_links_withrating($category = -1, $before = '', $after = '<br />', $between = " ", $show_images = true,
							$orderby = 'id', $show_description = true, $limit = -1, $show_updated = 0) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );

get_links($category, $before, $after, $between, $show_images, $orderby, $show_description, true, $limit, $show_updated);
}

/**
 * Gets the auto_toggle setting.
 *
 * @since 0.71
 * @deprecated 2.1.0
 *
 * @param int $id The category to get. If no category supplied uses 0
 * @return int Only returns 0.
 */
function get_autotoggle($id = 0) {
	_deprecated_function( __FUNCTION__, '2.1.0' );
	return 0;
}

/**
 * Lists categories.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use wp_list_categories()
 * @see wp_list_categories()
 *
 * @param int $optionall
 * @param string $all
 * @param string $sort_column
 * @param string $sort_order
 * @param string $file
 * @param bool $list
 * @param int $optiondates
 * @param int $optioncount
 * @param int $hide_empty
 * @param int $use_desc_for_title
 * @param bool $children
 * @param int $child_of
 * @param int $categories
 * @param int $recurse
 * @param string $feed
 * @param string $feed_image
 * @param string $exclude
 * @param bool $hierarchical
 * @return null|false
 */
function list_cats($optionall = 1, $all = 'All', $sort_column = 'ID', $sort_order = 'asc', $file = '', $list = true, $optiondates = 0,
				$optioncount = 0, $hide_empty = 1, $use_desc_for_title = 1, $children=false, $child_of=0, $categories=0,
				$recurse=0, $feed = '', $feed_image = '', $exclude = '', $hierarchical=false) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );

$query = compact('optionall', 'all', 'sort_column', 'sort_order', 'file', 'list', 'optiondates', 'optioncount', 'hide_empty', 'use_desc_for_title', 'children',
		'child_of', 'categories', 'recurse', 'feed', 'feed_image', 'exclude', 'hierarchical');
	return wp_list_cats($query);
}

/**
 * Lists categories.
 *
 * @since 1.2.0
 * @deprecated 2.1.0 Use wp_list_categories()
 * @see wp_list_categories()
 *
 * @param string|array $args
 * @return null|string|false
 */
function wp_list_cats($args = '') {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_categories()' );

$parsed_args = wp_parse_args( $args );

// Map to new names.
	if ( isset($parsed_args['optionall']) && isset($parsed_args['all']))
		$parsed_args['show_option_all'] = $parsed_args['all'];
	if ( isset($parsed_args['sort_column']) )
		$parsed_args['orderby'] = $parsed_args['sort_column'];
	if ( isset($parsed_args['sort_order']) )
		$parsed_args['order'] = $parsed_args['sort_order'];
	if ( isset($parsed_args['optiondates']) )
		$parsed_args['show_last_update'] = $parsed_args['optiondates'];
	if ( isset($parsed_args['optioncount']) )
		$parsed_args['show_count'] = $parsed_args['optioncount'];
	if ( isset($parsed_args['list']) )
		$parsed_args['style'] = $parsed_args['list'] ? 'list' : 'break';
	$parsed_args['title_li'] = '';

return wp_list_categories($parsed_args);
}

/**
 * Deprecated method for generating a drop-down of categories.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use wp_dropdown_categories()
 * @see wp_dropdown_categories()
 *
 * @param int $optionall
 * @param string $all
 * @param string $orderby
 * @param string $order
 * @param int $show_last_update
 * @param int $show_count
 * @param int $hide_empty
 * @param bool $optionnone
 * @param int $selected
 * @param int $exclude
 * @return string
 */
function dropdown_cats($optionall = 1, $all = 'All', $orderby = 'ID', $order = 'asc',
		$show_last_update = 0, $show_count = 0, $hide_empty = 1, $optionnone = false,
		$selected = 0, $exclude = 0) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_dropdown_categories()' );

$show_option_all = '';
	if ( $optionall )
		$show_option_all = $all;

$show_option_none = '';
	if ( $optionnone )
		$show_option_none = _x( 'None', 'Categories dropdown (show_option_none parameter)' );

$vars = compact('show_option_all', 'show_option_none', 'orderby', 'order',
					'show_last_update', 'show_count', 'hide_empty', 'selected', 'exclude');
	$query = add_query_arg($vars, '');
	return wp_dropdown_categories($query);
}

/**
 * Lists authors.
 *
 * @since 1.2.0
 * @deprecated 2.1.0 Use wp_list_authors()
 * @see wp_list_authors()
 *
 * @param bool $optioncount
 * @param bool $exclude_admin
 * @param bool $show_fullname
 * @param bool $hide_empty
 * @param string $feed
 * @param string $feed_image
 * @return null|string
 */
function list_authors($optioncount = false, $exclude_admin = true, $show_fullname = false, $hide_empty = true, $feed = '', $feed_image = '') {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_authors()' );

$args = compact('optioncount', 'exclude_admin', 'show_fullname', 'hide_empty', 'feed', 'feed_image');
	return wp_list_authors($args);
}

/**
 * Retrieves a list of post categories.
 *
 * @since 1.0.1
 * @deprecated 2.1.0 Use wp_get_post_categories()
 * @see wp_get_post_categories()
 *
 * @param int $blogid Not Used
 * @param int $post_id
 * @return array
 */
function wp_get_post_cats($blogid = '1', $post_id = 0) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_post_categories()' );
	return wp_get_post_categories($post_id);
}

/**
 * Sets the categories that the post ID belongs to.
 *
 * @since 1.0.1
 * @deprecated 2.1.0
 * @deprecated Use wp_set_post_categories()
 * @see wp_set_post_categories()
 *
 * @param int $blogid Not used
 * @param int $post_id
 * @param array $post_categories
 * @return bool|mixed
 */
function wp_set_post_cats($blogid = '1', $post_id = 0, $post_categories = array()) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_set_post_categories()' );
	return wp_set_post_categories($post_id, $post_categories);
}

/**
 * Retrieves a list of archives.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use wp_get_archives()
 * @see wp_get_archives()
 *
 * @param string $type
 * @param string $limit
 * @param string $format
 * @param string $before
 * @param string $after
 * @param bool $show_post_count
 * @return string|null
 */
function get_archives($type='', $limit='', $format='html', $before = '', $after = '', $show_post_count = false) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_get_archives()' );
	$args = compact('type', 'limit', 'format', 'before', 'after', 'show_post_count');
	return wp_get_archives($args);
}

/**
 * Returns or Prints link to the author's posts.
 *
 * @since 1.2.0
 * @deprecated 2.1.0 Use get_author_posts_url()
 * @see get_author_posts_url()
 *
 * @param bool $display
 * @param int $author_id
 * @param string $author_nicename Optional.
 * @return string|null
 */
function get_author_link($display, $author_id, $author_nicename = '') {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_author_posts_url()' );

$link = get_author_posts_url($author_id, $author_nicename);

if ( $display )
		echo $link;
	return $link;
}

/**
 * Print list of pages based on arguments.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use wp_link_pages()
 * @see wp_link_pages()
 *
 * @param string $before
 * @param string $after
 * @param string $next_or_number
 * @param string $nextpagelink
 * @param string $previouspagelink
 * @param string $pagelink
 * @param string $more_file
 * @return string
 */
function link_pages($before='<br />', $after='<br />', $next_or_number='number', $nextpagelink='next page', $previouspagelink='previous page',
					$pagelink='%', $more_file='') {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_link_pages()' );

$args = compact('before', 'after', 'next_or_number', 'nextpagelink', 'previouspagelink', 'pagelink', 'more_file');
	return wp_link_pages($args);
}

/**
 * Get value based on option.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use get_option()
 * @see get_option()
 *
 * @param string $option
 * @return string
 */
function get_settings($option) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_option()' );

return get_option($option);
}

/**
 * Print the permalink of the current post in the loop.
 *
 * @since 0.71
 * @deprecated 1.2.0 Use the_permalink()
 * @see the_permalink()
 */
function permalink_link() {
	_deprecated_function( __FUNCTION__, '1.2.0', 'the_permalink()' );
	the_permalink();
}

/**
 * Print the permalink to the RSS feed.
 *
 * @since 0.71
 * @deprecated 2.3.0 Use the_permalink_rss()
 * @see the_permalink_rss()
 *
 * @param string $deprecated
 */
function permalink_single_rss($deprecated = '') {
	_deprecated_function( __FUNCTION__, '2.3.0', 'the_permalink_rss()' );
	the_permalink_rss();
}

/**
 * Gets the links associated with category.
 *
 * @since 1.0.1
 * @deprecated 2.1.0 Use wp_list_bookmarks()
 * @see wp_list_bookmarks()
 *
 * @param string $args a query string
 * @return null|string
 */
function wp_get_links($args = '') {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );

if ( ! str_contains( $args, '=' ) ) {
		$cat_id = $args;
		$args = add_query_arg( 'category', $cat_id, $args );
	}

$defaults = array(
		'after' => '<br />',
		'before' => '',
		'between' => ' ',
		'categorize' => 0,
		'category' => '',
		'echo' => true,
		'limit' => -1,
		'orderby' => 'name',
		'show_description' => true,
		'show_images' => true,
		'show_rating' => false,
		'show_updated' => true,
		'title_li' => '',
	);

$parsed_args = wp_parse_args( $args, $defaults );

return wp_list_bookmarks($parsed_args);
}

/**
 * Gets the links associated with category by ID.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use get_bookmarks()
 * @see get_bookmarks()
 *
 * @param int    $category         Optional. The category to use. If no category supplied uses all.
 *                                 Default 0.
 * @param string $before           Optional. The HTML to output before the link. Default empty.
 * @param string $after            Optional. The HTML to output after the link. Default '<br />'.
 * @param string $between          Optional. The HTML to output between the link/image and its description.
 *                                 Not used if no image or $show_images is true. Default ' '.
 * @param bool   $show_images      Optional. Whether to show images (if defined). Default true.
 * @param string $orderby          Optional. The order to output the links. E.g. 'id', 'name', 'url',
 *                                 'description', 'rating', or 'owner'. Default 'name'.
 *                                 If you start the name with an underscore, the order will be reversed.
 *                                 Specifying 'rand' as the order will return links in a random order.
 * @param bool   $show_description Optional. Whether to show the description if show_images=false/not defined.
 *                                 Default true.
 * @param bool   $show_rating      Optional. Show rating stars/chars. Default false.
 * @param int    $limit            Optional. Limit to X entries. If not specified, all entries are shown.
 *                                 Default -1.
 * @param int    $show_updated     Optional. Whether to show last updated timestamp. Default 1.
 * @param bool   $display          Whether to display the results, or return them instead.
 * @return null|string
 */
function get_links($category = -1, $before = '', $after = '<br />', $between = ' ', $show_images = true, $orderby = 'name',
			$show_description = true, $show_rating = false, $limit = -1, $show_updated = 1, $display = true) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmarks()' );

$order = 'ASC';
	if ( str_starts_with($orderby, '_') ) {
		$order = 'DESC';
		$orderby = substr($orderby, 1);
	}

if ( $category == -1 ) // get_bookmarks() uses '' to signify all categories.
		$category = '';

$results = get_bookmarks(array('category' => $category, 'orderby' => $orderby, 'order' => $order, 'show_updated' => $show_updated, 'limit' => $limit));

if ( !$results )
		return;

$output = '';

foreach ( (array) $results as $row ) {
		if ( !isset($row->recently_updated) )
			$row->recently_updated = false;
		$output .= $before;
		if ( $show_updated && $row->recently_updated )
			$output .= get_option('links_recently_updated_prepend');
		$the_link = '#';
		if ( !empty($row->link_url) )
			$the_link = esc_url($row->link_url);
		$rel = $row->link_rel;
		if ( '' != $rel )
			$rel = ' rel="' . $rel . '"';

$desc = esc_attr(sanitize_bookmark_field('link_description', $row->link_description, $row->link_id, 'display'));
		$name = esc_attr(sanitize_bookmark_field('link_name', $row->link_name, $row->link_id, 'display'));
		$title = $desc;

if ( $show_updated )
			if ( !str_starts_with($row->link_updated_f, '00') )
				$title .= ' ('.__('Last updated') . ' ' . gmdate(get_option('links_updated_date_format'), $row->link_updated_f + (get_option('gmt_offset') * HOUR_IN_SECONDS)) . ')';

if ( '' != $title )
			$title = ' title="' . $title . '"';

$alt = ' alt="' . $name . '"';

$target = $row->link_target;
		if ( '' != $target )
			$target = ' target="' . $target . '"';

$output .= '<a href="' . $the_link . '"' . $rel . $title . $target. '>';

if ( '' != $row->link_image && $show_images ) {
			if ( str_contains( $row->link_image, 'http' ) )
				$output .= '<img src="' . $row->link_image . '"' . $alt . $title . ' />';
			else // If it's a relative path.
				$output .= '<img src="' . get_option('siteurl') . $row->link_image . '"' . $alt . $title . ' />';
		} else {
			$output .= $name;
		}

$output .= '</a>';

if ( $show_updated && $row->recently_updated )
			$output .= get_option('links_recently_updated_append');

if ( $show_description && '' != $desc )
			$output .= $between . $desc;

if ($show_rating) {
			$output .= $between . get_linkrating($row);
		}

$output .= "$after\n";
	} // End while.

if ( !$display )
		return $output;
	echo $output;
}

/**
 * Output entire list of links by category.
 *
 * Output a list of all links, listed by category, using the settings in
 * $wpdb->linkcategories and output it as a nested HTML unordered list.
 *
 * @since 1.0.1
 * @deprecated 2.1.0 Use wp_list_bookmarks()
 * @see wp_list_bookmarks()
 *
 * @param string $order Sort link categories by 'name' or 'id'
 */
function get_links_list($order = 'name') {
	_deprecated_function( __FUNCTION__, '2.1.0', 'wp_list_bookmarks()' );

$order = strtolower($order);

// Handle link category sorting.
	$direction = 'ASC';
	if ( str_starts_with( $order, '_' ) ) {
		$direction = 'DESC';
		$order = substr($order,1);
	}

if ( !isset($direction) )
		$direction = '';

$cats = get_categories(array('type' => 'link', 'orderby' => $order, 'order' => $direction, 'hierarchical' => 0));

// Display each category.
	if ( $cats ) {
		foreach ( (array) $cats as $cat ) {
			// Handle each category.

// Display the category name.
			echo '  <li id="linkcat-' . $cat->term_id . '" class="linkcat"><h2>' . apply_filters('link_category', $cat->name ) . "</h2>\n\t<ul>\n";
			// Call get_links() with all the appropriate params.
			get_links($cat->term_id, '<li>', "</li>", "\n", true, 'name', false);

// Close the last category.
			echo "\n\t</ul>\n</li>\n";
		}
	}
}

/**
 * Show the link to the links popup and the number of links.
 *
 * @since 0.71
 * @deprecated 2.1.0
 *
 * @param string $text the text of the link
 * @param int $width the width of the popup window
 * @param int $height the height of the popup window
 * @param string $file the page to open in the popup window
 * @param bool $count the number of links in the db
 */
function links_popup_script($text = 'Links', $width=400, $height=400, $file='links.all.php', $count = true) {
	_deprecated_function( __FUNCTION__, '2.1.0' );
}

/**
 * Legacy function that retrieved the value of a link's link_rating field.
 *
 * @since 1.0.1
 * @deprecated 2.1.0 Use sanitize_bookmark_field()
 * @see sanitize_bookmark_field()
 *
 * @param object $link Link object.
 * @return mixed Value of the 'link_rating' field, false otherwise.
 */
function get_linkrating( $link ) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'sanitize_bookmark_field()' );
	return sanitize_bookmark_field('link_rating', $link->link_rating, $link->link_id, 'display');
}

/**
 * Gets the name of category by ID.
 *
 * @since 0.71
 * @deprecated 2.1.0 Use get_category()
 * @see get_category()
 *
 * @param int $id The category to get. If no category supplied uses 0
 * @return string
 */
function get_linkcatname($id = 0) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_category()' );

$id = (int) $id;

if ( empty($id) )
		return '';

$cats = wp_get_link_cats($id);

if ( empty($cats) || ! is_array($cats) )
		return '';

$cat_id = (int) $cats[0]; // Take the first cat.

$cat = get_category($cat_id);
	return $cat->name;
}

/**
 * Print RSS comment feed link.
 *
 * @since 1.0.1
 * @deprecated 2.5.0 Use post_comments_feed_link()
 * @see post_comments_feed_link()
 *
 * @param string $link_text
 */
function comments_rss_link($link_text = 'Comments RSS') {
	_deprecated_function( __FUNCTION__, '2.5.0', 'post_comments_feed_link()' );
	post_comments_feed_link($link_text);
}

/**
 * Print/Return link to category RSS2 feed.
 *
 * @since 1.2.0
 * @deprecated 2.5.0 Use get_category_feed_link()
 * @see get_category_feed_link()
 *
 * @param bool $display
 * @param int $cat_id
 * @return string
 */
function get_category_rss_link($display = false, $cat_id = 1) {
	_deprecated_function( __FUNCTION__, '2.5.0', 'get_category_feed_link()' );

$link = get_category_feed_link($cat_id, 'rss2');

if ( $display )
		echo $link;
	return $link;
}

/**
 * Print/Return link to author RSS feed.
 *
 * @since 1.2.0
 * @deprecated 2.5.0 Use get_author_feed_link()
 * @see get_author_feed_link()
 *
 * @param bool $display
 * @param int $author_id
 * @return string
 */
function get_author_rss_link($display = false, $author_id = 1) {
	_deprecated_function( __FUNCTION__, '2.5.0', 'get_author_feed_link()' );

$link = get_author_feed_link($author_id);
	if ( $display )
		echo $link;
	return $link;
}

/**
 * Return link to the post RSS feed.
 *
 * @since 1.5.0
 * @deprecated 2.2.0 Use get_post_comments_feed_link()
 * @see get_post_comments_feed_link()
 *
 * @return string
 */
function comments_rss() {
	_deprecated_function( __FUNCTION__, '2.2.0', 'get_post_comments_feed_link()' );
	return esc_url( get_post_comments_feed_link() );
}

/**
 * An alias of wp_create_user().
 *
 * @since 2.0.0
 * @deprecated 2.0.0 Use wp_create_user()
 * @see wp_create_user()
 *
 * @param string $username The user's username.
 * @param string $password The user's password.
 * @param string $email    The user's email.
 * @return int The new user's ID.
 */
function create_user($username, $password, $email) {
	_deprecated_function( __FUNCTION__, '2.0.0', 'wp_create_user()' );
	return wp_create_user($username, $password, $email);
}

/**
 * Unused function.
 *
 * @deprecated 2.5.0
 */
function gzip_compression() {
	_deprecated_function( __FUNCTION__, '2.5.0' );
	return false;
}

/**
 * Retrieve an array of comment data about comment $comment_id.
 *
 * @since 0.71
 * @deprecated 2.7.0 Use get_comment()
 * @see get_comment()
 *
 * @param int $comment_id The ID of the comment
 * @param int $no_cache Whether to use the cache (cast to bool)
 * @param bool $include_unapproved Whether to include unapproved comments
 * @return array The comment data
 */
function get_commentdata( $comment_id, $no_cache = 0, $include_unapproved = false ) {
	_deprecated_function( __FUNCTION__, '2.7.0', 'get_comment()' );
	return get_comment($comment_id, ARRAY_A);
}

/**
 * Retrieve the category name by the category ID.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use get_cat_name()
 * @see get_cat_name()
 *
 * @param int $cat_id Category ID
 * @return string category name
 */
function get_catname( $cat_id ) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_cat_name()' );
	return get_cat_name( $cat_id );
}

/**
 * Retrieve category children list separated before and after the term IDs.
 *
 * @since 1.2.0
 * @deprecated 2.8.0 Use get_term_children()
 * @see get_term_children()
 *
 * @param int    $id      Category ID to retrieve children.
 * @param string $before  Optional. Prepend before category term ID. Default '/'.
 * @param string $after   Optional. Append after category term ID. Default empty string.
 * @param array  $visited Optional. Category Term IDs that have already been added.
 *                        Default empty array.
 * @return string
 */
function get_category_children( $id, $before = '/', $after = '', $visited = array() ) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_term_children()' );
	if ( 0 == $id )
		return '';

$chain = '';
	/** TODO: Consult hierarchy */
	$cat_ids = get_all_category_ids();
	foreach ( (array) $cat_ids as $cat_id ) {
		if ( $cat_id == $id )
			continue;

$category = get_category( $cat_id );
		if ( is_wp_error( $category ) )
			return $category;
		if ( $category->parent == $id && !in_array( $category->term_id, $visited ) ) {
			$visited[] = $category->term_id;
			$chain .= $before.$category->term_id.$after;
			$chain .= get_category_children( $category->term_id, $before, $after );
		}
	}
	return $chain;
}

/**
 * Retrieves all category IDs.
 *
 * @since 2.0.0
 * @deprecated 4.0.0 Use get_terms()
 * @see get_terms()
 *
 * @link https://developer.wordpress.org/reference/functions/get_all_category_ids/
 *
 * @return int[] List of all of the category IDs.
 */
function get_all_category_ids() {
	_deprecated_function( __FUNCTION__, '4.0.0', 'get_terms()' );

$cat_ids = get_terms(
		array(
			'taxonomy' => 'category',
			'fields'   => 'ids',
			'get'      => 'all',
		)
	);

return $cat_ids;
}

/**
 * Retrieve the description of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's description.
 */
function get_the_author_description() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'description\')' );
	return get_the_author_meta('description');
}

/**
 * Display the description of the author of the current post.
 *
 * @since 1.0.0
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_description() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'description\')' );
	the_author_meta('description');
}

/**
 * Retrieve the login name of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's login name (username).
 */
function get_the_author_login() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'login\')' );
	return get_the_author_meta('login');
}

/**
 * Display the login name of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_login() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'login\')' );
	the_author_meta('login');
}

/**
 * Retrieve the first name of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's first name.
 */
function get_the_author_firstname() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'first_name\')' );
	return get_the_author_meta('first_name');
}

/**
 * Display the first name of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_firstname() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'first_name\')' );
	the_author_meta('first_name');
}

/**
 * Retrieve the last name of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's last name.
 */
function get_the_author_lastname() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'last_name\')' );
	return get_the_author_meta('last_name');
}

/**
 * Display the last name of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_lastname() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'last_name\')' );
	the_author_meta('last_name');
}

/**
 * Retrieve the nickname of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's nickname.
 */
function get_the_author_nickname() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'nickname\')' );
	return get_the_author_meta('nickname');
}

/**
 * Display the nickname of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_nickname() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'nickname\')' );
	the_author_meta('nickname');
}

/**
 * Retrieve the email of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's username.
 */
function get_the_author_email() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'email\')' );
	return get_the_author_meta('email');
}

/**
 * Display the email of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_email() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'email\')' );
	the_author_meta('email');
}

/**
 * Retrieve the ICQ number of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's ICQ number.
 */
function get_the_author_icq() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'icq\')' );
	return get_the_author_meta('icq');
}

/**
 * Display the ICQ number of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_icq() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'icq\')' );
	the_author_meta('icq');
}

/**
 * Retrieve the Yahoo! IM name of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's Yahoo! IM name.
 */
function get_the_author_yim() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'yim\')' );
	return get_the_author_meta('yim');
}

/**
 * Display the Yahoo! IM name of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_yim() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'yim\')' );
	the_author_meta('yim');
}

/**
 * Retrieve the MSN address of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's MSN address.
 */
function get_the_author_msn() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'msn\')' );
	return get_the_author_meta('msn');
}

/**
 * Display the MSN address of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_msn() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'msn\')' );
	the_author_meta('msn');
}

/**
 * Retrieve the AIM address of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The author's AIM address.
 */
function get_the_author_aim() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'aim\')' );
	return get_the_author_meta('aim');
}

/**
 * Display the AIM address of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta('aim')
 * @see the_author_meta()
 */
function the_author_aim() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'aim\')' );
	the_author_meta('aim');
}

/**
 * Retrieve the specified author's preferred display name.
 *
 * @since 1.0.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @param int $auth_id The ID of the author.
 * @return string The author's display name.
 */
function get_author_name( $auth_id = false ) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'display_name\')' );
	return get_the_author_meta('display_name', $auth_id);
}

/**
 * Retrieve the URL to the home page of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string The URL to the author's page.
 */
function get_the_author_url() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'url\')' );
	return get_the_author_meta('url');
}

/**
 * Display the URL to the home page of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_url() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'url\')' );
	the_author_meta('url');
}

/**
 * Retrieve the ID of the author of the current post.
 *
 * @since 1.5.0
 * @deprecated 2.8.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @return string|int The author's ID.
 */
function get_the_author_ID() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'get_the_author_meta(\'ID\')' );
	return get_the_author_meta('ID');
}

/**
 * Display the ID of the author of the current post.
 *
 * @since 0.71
 * @deprecated 2.8.0 Use the_author_meta()
 * @see the_author_meta()
 */
function the_author_ID() {
	_deprecated_function( __FUNCTION__, '2.8.0', 'the_author_meta(\'ID\')' );
	the_author_meta('ID');
}

/**
 * Display the post content for the feed.
 *
 * For encoding the HTML or the $encode_html parameter, there are three possible values:
 * - '0' will make urls footnotes and use make_url_footnote().
 * - '1' will encode special characters and automatically display all of the content.
 * - '2' will strip all HTML tags from the content.
 *
 * Also note that you cannot set the amount of words and not set the HTML encoding.
 * If that is the case, then the HTML encoding will default to 2, which will strip
 * all HTML tags.
 *
 * To restrict the amount of words of the content, you can use the cut parameter.
 * If the content is less than the amount, then there won't be any dots added to the end.
 * If there is content left over, then dots will be added and the rest of the content
 * will be removed.
 *
 * @since 0.71
 *
 * @deprecated 2.9.0 Use the_content_feed()
 * @see the_content_feed()
 *
 * @param string $more_link_text Optional. Text to display when more content is available
 *                               but not displayed. Default '(more...)'.
 * @param int    $stripteaser    Optional. Default 0.
 * @param string $more_file      Optional.
 * @param int    $cut            Optional. Amount of words to keep for the content.
 * @param int    $encode_html    Optional. How to encode the content.
 */
function the_content_rss($more_link_text='(more...)', $stripteaser=0, $more_file='', $cut = 0, $encode_html = 0) {
	_deprecated_function( __FUNCTION__, '2.9.0', 'the_content_feed()' );
	$content = get_the_content($more_link_text, $stripteaser);

/**
	 * Filters the post content in the context of an RSS feed.
	 *
	 * @since 0.71
	 *
	 * @param string $content Content of the current post.
	 */
	$content = apply_filters('the_content_rss', $content);
	if ( $cut && !$encode_html )
		$encode_html = 2;
	if ( 1== $encode_html ) {
		$content = esc_html($content);
		$cut = 0;
	} elseif ( 0 == $encode_html ) {
		$content = make_url_footnote($content);
	} elseif ( 2 == $encode_html ) {
		$content = strip_tags($content);
	}
	if ( $cut ) {
		$blah = explode(' ', $content);
		if ( count($blah) > $cut ) {
			$k = $cut;
			$use_dotdotdot = 1;
		} else {
			$k = count($blah);
			$use_dotdotdot = 0;
		}

/** @todo Check performance, might be faster to use array slice instead. */
		for ( $i=0; $i<$k; $i++ )
			$excerpt .= $blah[$i].' ';
		$excerpt .= ($use_dotdotdot) ? '...' : '';
		$content = $excerpt;
	}
	$content = str_replace(']]>', ']]&gt;', $content);
	echo $content;
}

/**
 * Strip HTML and put links at the bottom of stripped content.
 *
 * Searches for all of the links, strips them out of the content, and places
 * them at the bottom of the content with numbers.
 *
 * @since 0.71
 * @deprecated 2.9.0
 *
 * @param string $content Content to get links.
 * @return string HTML stripped out of content with links at the bottom.
 */
function make_url_footnote( $content ) {
	_deprecated_function( __FUNCTION__, '2.9.0', '' );
	preg_match_all( '/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches );
	$links_summary = "\n";
	for ( $i = 0, $c = count( $matches[0] ); $i < $c; $i++ ) {
		$link_match = $matches[0][$i];
		$link_number = '['.($i+1).']';
		$link_url = $matches[2][$i];
		$link_text = $matches[4][$i];
		$content = str_replace( $link_match, $link_text . ' ' . $link_number, $content );
		$link_url = ( ( strtolower( substr( $link_url, 0, 7 ) ) !== 'http://' ) && ( strtolower( substr( $link_url, 0, 8 ) ) !== 'https://' ) ) ? get_option( 'home' ) . $link_url : $link_url;
		$links_summary .= "\n" . $link_number . ' ' . $link_url;
	}
	$content  = strip_tags( $content );
	$content .= $links_summary;
	return $content;
}

/**
 * Retrieve translated string with vertical bar context
 *
 * Quite a few times, there will be collisions with similar translatable text
 * found in more than two places but with different translated context.
 *
 * In order to use the separate contexts, the _c() function is used and the
 * translatable string uses a pipe ('|') which has the context the string is in.
 *
 * When the translated string is returned, it is everything before the pipe, not
 * including the pipe character. If there is no pipe in the translated text then
 * everything is returned.
 *
 * @since 2.2.0
 * @deprecated 2.9.0 Use _x()
 * @see _x()
 *
 * @param string $text Text to translate.
 * @param string $domain Optional. Domain to retrieve the translated text.
 * @return string Translated context string without pipe.
 */
function _c( $text, $domain = 'default' ) {
	_deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
	return before_last_bar( translate( $text, $domain ) );
}

/**
 * Translates $text like translate(), but assumes that the text
 * contains a context after its last vertical bar.
 *
 * @since 2.5.0
 * @deprecated 3.0.0 Use _x()
 * @see _x()
 *
 * @param string $text Text to translate.
 * @param string $domain Domain to retrieve the translated text.
 * @return string Translated text.
 */
function translate_with_context( $text, $domain = 'default' ) {
	_deprecated_function( __FUNCTION__, '2.9.0', '_x()' );
	return before_last_bar( translate( $text, $domain ) );
}

/**
 * Legacy version of _n(), which supports contexts.
 *
 * Strips everything from the translation after the last bar.
 *
 * @since 2.7.0
 * @deprecated 3.0.0 Use _nx()
 * @see _nx()
 *
 * @param string $single The text to be used if the number is singular.
 * @param string $plural The text to be used if the number is plural.
 * @param int    $number The number to compare against to use either the singular or plural form.
 * @param string $domain Optional. Text domain. Unique identifier for retrieving translated strings.
 *                       Default 'default'.
 * @return string The translated singular or plural form.
 */
function _nc( $single, $plural, $number, $domain = 'default' ) {
	_deprecated_function( __FUNCTION__, '2.9.0', '_nx()' );
	return before_last_bar( _n( $single, $plural, $number, $domain ) );
}

/**
 * Retrieve the plural or single form based on the amount.
 *
 * @since 1.2.0
 * @deprecated 2.8.0 Use _n()
 * @see _n()
 */
function __ngettext( ...$args ) { // phpcs:ignore PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
	_deprecated_function( __FUNCTION__, '2.8.0', '_n()' );
	return _n( ...$args );
}

/**
 * Register plural strings in POT file, but don't translate them.
 *
 * @since 2.5.0
 * @deprecated 2.8.0 Use _n_noop()
 * @see _n_noop()
 */
function __ngettext_noop( ...$args ) { // phpcs:ignore PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
	_deprecated_function( __FUNCTION__, '2.8.0', '_n_noop()' );
	return _n_noop( ...$args );

}

/**
 * Retrieve all autoload options, or all options if no autoloaded ones exist.
 *
 * @since 1.0.0
 * @deprecated 3.0.0 Use wp_load_alloptions())
 * @see wp_load_alloptions()
 *
 * @return array List of all options.
 */
function get_alloptions() {
	_deprecated_function( __FUNCTION__, '3.0.0', 'wp_load_alloptions()' );
	return wp_load_alloptions();
}

/**
 * Retrieve HTML content of attachment image with link.
 *
 * @since 2.0.0
 * @deprecated 2.5.0 Use wp_get_attachment_link()
 * @see wp_get_attachment_link()
 *
 * @param int   $id       Optional. Post ID.
 * @param bool  $fullsize Optional. Whether to use full size image. Default false.
 * @param array $max_dims Optional. Max image dimensions.
 * @param bool $permalink Optional. Whether to include permalink to image. Default false.
 * @return string
 */
function get_the_attachment_link($id = 0, $fullsize = false, $max_dims = false, $permalink = false) {
	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_link()' );
	$id = (int) $id;
	$_post = get_post($id);

if ( ('attachment' != $_post->post_type) || !$url = wp_get_attachment_url($_post->ID) )
		return __('Missing Attachment');

if ( $permalink )
		$url = get_attachment_link($_post->ID);

$post_title = esc_attr($_post->post_title);

$innerHTML = get_attachment_innerHTML($_post->ID, $fullsize, $max_dims);
	return "<a href='$url' title='$post_title'>$innerHTML</a>";
}

/**
 * Retrieve icon URL and Path.
 *
 * @since 2.1.0
 * @deprecated 2.5.0 Use wp_get_attachment_image_src()
 * @see wp_get_attachment_image_src()
 *
 * @param int  $id       Optional. Post ID.
 * @param bool $fullsize Optional. Whether to have full image. Default false.
 * @return array Icon URL and full path to file, respectively.
 */
function get_attachment_icon_src( $id = 0, $fullsize = false ) {
	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image_src()' );
	$id = (int) $id;
	if ( !$post = get_post($id) )
		return false;

$file = get_attached_file( $post->ID );

if ( !$fullsize && $src = wp_get_attachment_thumb_url( $post->ID ) ) {
		// We have a thumbnail desired, specified and existing.

$src_file = wp_basename($src);
	} elseif ( wp_attachment_is_image( $post->ID ) ) {
		// We have an image without a thumbnail.

$src = wp_get_attachment_url( $post->ID );
		$src_file = & $file;
	} elseif ( $src = wp_mime_type_icon( $post->ID, '.svg' ) ) {
		// No thumb, no image. We'll look for a mime-related icon instead.

/** This filter is documented in wp-includes/post.php */
		$icon_dir = apply_filters( 'icon_dir', get_template_directory() . '/images' );
		$src_file = $icon_dir . '/' . wp_basename($src);
	}

if ( !isset($src) || !$src )
		return false;

return array($src, $src_file);
}

/**
 * Retrieve HTML content of icon attachment image element.
 *
 * @since 2.0.0
 * @deprecated 2.5.0 Use wp_get_attachment_image()
 * @see wp_get_attachment_image()
 *
 * @param int   $id       Optional. Post ID.
 * @param bool  $fullsize Optional. Whether to have full size image. Default false.
 * @param array $max_dims Optional. Dimensions of image.
 * @return string|false HTML content.
 */
function get_attachment_icon( $id = 0, $fullsize = false, $max_dims = false ) {
	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
	$id = (int) $id;
	if ( !$post = get_post($id) )
		return false;

if ( !$src = get_attachment_icon_src( $post->ID, $fullsize ) )
		return false;

list($src, $src_file) = $src;

// Do we need to constrain the image?
	if ( ($max_dims = apply_filters('attachment_max_dims', $max_dims)) && file_exists($src_file) ) {

$imagesize = wp_getimagesize($src_file);

if (($imagesize[0] > $max_dims[0]) || $imagesize[1] > $max_dims[1] ) {
			$actual_aspect = $imagesize[0] / $imagesize[1];
			$desired_aspect = $max_dims[0] / $max_dims[1];

if ( $actual_aspect >= $desired_aspect ) {
				$height = $actual_aspect * $max_dims[0];
				$constraint = "width='{$max_dims[0]}' ";
				$post->iconsize = array($max_dims[0], $height);
			} else {
				$width = $max_dims[1] / $actual_aspect;
				$constraint = "height='{$max_dims[1]}' ";
				$post->iconsize = array($width, $max_dims[1]);
			}
		} else {
			$post->iconsize = array($imagesize[0], $imagesize[1]);
			$constraint = '';
		}
	} else {
		$constraint = '';
	}

$post_title = esc_attr($post->post_title);

$icon = "<img src='$src' title='$post_title' alt='$post_title' $constraint/>";

return apply_filters( 'attachment_icon', $icon, $post->ID );
}

/**
 * Retrieve HTML content of image element.
 *
 * @since 2.0.0
 * @deprecated 2.5.0 Use wp_get_attachment_image()
 * @see wp_get_attachment_image()
 *
 * @param int   $id       Optional. Post ID.
 * @param bool  $fullsize Optional. Whether to have full size image. Default false.
 * @param array $max_dims Optional. Dimensions of image.
 * @return string|false
 */
function get_attachment_innerHTML($id = 0, $fullsize = false, $max_dims = false) {
	_deprecated_function( __FUNCTION__, '2.5.0', 'wp_get_attachment_image()' );
	$id = (int) $id;
	if ( !$post = get_post($id) )
		return false;

if ( $innerHTML = get_attachment_icon($post->ID, $fullsize, $max_dims))
		return $innerHTML;

$innerHTML = esc_attr($post->post_title);

return apply_filters('attachment_innerHTML', $innerHTML, $post->ID);
}

/**
 * Retrieves bookmark data based on ID.
 *
 * @since 2.0.0
 * @deprecated 2.1.0 Use get_bookmark()
 * @see get_bookmark()
 *
 * @param int    $bookmark_id ID of link
 * @param string $output      Optional. Type of output. Accepts OBJECT, ARRAY_N, or ARRAY_A.
 *                            Default OBJECT.
 * @param string $filter      Optional. How to filter the link for output. Accepts 'raw', 'edit',
 *                            'attribute', 'js', 'db', or 'display'. Default 'raw'.
 * @return object|array Bookmark object or array, depending on the type specified by `$output`.
 */
function get_link( $bookmark_id, $output = OBJECT, $filter = 'raw' ) {
	_deprecated_function( __FUNCTION__, '2.1.0', 'get_bookmark()' );
	return get_bookmark($bookmark_id, $output, $filter);
}

/**
 * Checks and cleans a URL.
 *
 * A number of characters are removed from the URL. If the URL is for displaying
 * (the default behavior) ampersands are also replaced. The 'clean_url' filter
 * is applied to the returned cleaned URL.
 *
 * @since 1.2.0
 * @deprecated 3.0.0 Use esc_url()
 * @see esc_url()
 *
 * @param string $url The URL to be cleaned.
 * @param array $protocols Optional. An array of acceptable protocols.
 * @param string $context Optional. How the URL will be used. Default is 'display'.
 * @return string The cleaned $url after the {@see 'clean_url'} filter is applied.
 */
function clean_url( $url, $protocols = null, $context = 'display' ) {
	if ( $context == 'db' )
		_deprecated_function( 'clean_url( $context = \'db\' )', '3.0.0', 'sanitize_url()' );
	else
		_deprecated_function( __FUNCTION__, '3.0.0', 'esc_url()' );
	return esc_url( $url, $protocols, $context );
}

/**
 * Escape single quotes, specialchar double quotes, and fix line endings.
 *
 * The filter {@see 'js_escape'} is also applied by esc_js().
 *
 * @since 2.0.4
 * @deprecated 2.8.0 Use esc_js()
 * @see esc_js()
 *
 * @param string $text The text to be escaped.
 * @return string Escaped text.
 */
function js_escape( $text ) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'esc_js()' );
	return esc_js( $text );
}

/**
 * Legacy escaping for HTML blocks.
 *
 * @deprecated 2.8.0 Use esc_html()
 * @see esc_html()
 *
 * @param string       $text          Text to escape.
 * @param string       $quote_style   Unused.
 * @param false|string $charset       Unused.
 * @param false        $double_encode Whether to double encode. Unused.
 * @return string Escaped `$text`.
 */
function wp_specialchars( $text, $quote_style = ENT_NOQUOTES, $charset = false, $double_encode = false ) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'esc_html()' );
	if ( func_num_args() > 1 ) { // Maintain back-compat for people passing additional arguments.
		return _wp_specialchars( $text, $quote_style, $charset, $double_encode );
	} else {
		return esc_html( $text );
	}
}

/**
 * Escaping for HTML attributes.
 *
 * @since 2.0.6
 * @deprecated 2.8.0 Use esc_attr()
 * @see esc_attr()
 *
 * @param string $text
 * @return string
 */
function attribute_escape( $text ) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'esc_attr()' );
	return esc_attr( $text );
}

/**
 * Register widget for sidebar with backward compatibility.
 *
 * Allows $name to be an array that accepts either three elements to grab the
 * first element and the third for the name or just uses the first element of
 * the array for the name.
 *
 * Passes to wp_register_sidebar_widget() after argument list and backward
 * compatibility is complete.
 *
 * @since 2.2.0
 * @deprecated 2.8.0 Use wp_register_sidebar_widget()
 * @see wp_register_sidebar_widget()
 *
 * @param string|int $name            Widget ID.
 * @param callable   $output_callback Run when widget is called.
 * @param string     $classname       Optional. Classname widget option. Default empty.
 * @param mixed      ...$params       Widget parameters.
 */
function register_sidebar_widget($name, $output_callback, $classname = '', ...$params) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_sidebar_widget()' );
	// Compat.
	if ( is_array( $name ) ) {
		if ( count( $name ) === 3 ) {
			$name = sprintf( $name[0], $name[2] );
		} else {
			$name = $name[0];
		}
	}

$id      = sanitize_title( $name );
	$options = array();
	if ( ! empty( $classname ) && is_string( $classname ) ) {
		$options['classname'] = $classname;
	}

wp_register_sidebar_widget( $id, $name, $output_callback, $options, ...$params );
}

/**
 * Serves as an alias of wp_unregister_sidebar_widget().
 *
 * @since 2.2.0
 * @deprecated 2.8.0 Use wp_unregister_sidebar_widget()
 * @see wp_unregister_sidebar_widget()
 *
 * @param int|string $id Widget ID.
 */
function unregister_sidebar_widget($id) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_sidebar_widget()' );
	return wp_unregister_sidebar_widget($id);
}

/**
 * Registers widget control callback for customizing options.
 *
 * Allows $name to be an array that accepts either three elements to grab the
 * first element and the third for the name or just uses the first element of
 * the array for the name.
 *
 * Passes to wp_register_widget_control() after the argument list has
 * been compiled.
 *
 * @since 2.2.0
 * @deprecated 2.8.0 Use wp_register_widget_control()
 * @see wp_register_widget_control()
 *
 * @param int|string $name             Sidebar ID.
 * @param callable   $control_callback Widget control callback to display and process form.
 * @param int        $width            Widget width.
 * @param int        $height           Widget height.
 * @param mixed      ...$params        Widget parameters.
 */
function register_widget_control($name, $control_callback, $width = '', $height = '', ...$params) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_register_widget_control()' );
	// Compat.
	if ( is_array( $name ) ) {
		if ( count( $name ) === 3 ) {
			$name = sprintf( $name[0], $name[2] );
		} else {
			$name = $name[0];
		}
	}

$id      = sanitize_title( $name );
	$options = array();
	if ( ! empty( $width ) ) {
		$options['width'] = $width;
	}
	if ( ! empty( $height ) ) {
		$options['height'] = $height;
	}

wp_register_widget_control( $id, $name, $control_callback, $options, ...$params );
}

/**
 * Alias of wp_unregister_widget_control().
 *
 * @since 2.2.0
 * @deprecated 2.8.0 Use wp_unregister_widget_control()
 * @see wp_unregister_widget_control()
 *
 * @param int|string $id Widget ID.
 */
function unregister_widget_control($id) {
	_deprecated_function( __FUNCTION__, '2.8.0', 'wp_unregister_widget_control()' );
	return wp_unregister_widget_control($id);
}

/**
 * Remove user meta data.
 *
 * @since 2.0.0
 * @deprecated 3.0.0 Use delete_user_meta()
 * @see delete_user_meta()
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int $user_id User ID.
 * @param string $meta_key Metadata key.
 * @param mixed $meta_value Optional. Metadata value. Default empty.
 * @return bool True deletion completed and false if user_id is not a number.
 */
function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'delete_user_meta()' );
	global $wpdb;
	if ( !is_numeric( $user_id ) )
		return false;
	$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);

if ( is_array($meta_value) || is_object($meta_value) )
		$meta_value = serialize($meta_value);
	$meta_value = trim( $meta_value );

$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );

if ( $cur && $cur->umeta_id )
		do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );

if ( ! empty($meta_value) )
		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) );
	else
		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );

clean_user_cache( $user_id );
	wp_cache_delete( $user_id, 'user_meta' );

if ( $cur && $cur->umeta_id )
		do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );

return true;
}

/**
 * Retrieve user metadata.
 *
 * If $user_id is not a number, then the function will fail over with a 'false'
 * boolean return value. Other returned values depend on whether there is only
 * one item to be returned, which be that single item type. If there is more
 * than one metadata value, then it will be list of metadata values.
 *
 * @since 2.0.0
 * @deprecated 3.0.0 Use get_user_meta()
 * @see get_user_meta()
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int $user_id User ID
 * @param string $meta_key Optional. Metadata key. Default empty.
 * @return mixed
 */
function get_usermeta( $user_id, $meta_key = '' ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'get_user_meta()' );
	global $wpdb;
	$user_id = (int) $user_id;

if ( !$user_id )
		return false;

if ( !empty($meta_key) ) {
		$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
		$user = wp_cache_get($user_id, 'users');
		// Check the cached user object.
		if ( false !== $user && isset($user->$meta_key) )
			$metas = array($user->$meta_key);
		else
			$metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
	} else {
		$metas = $wpdb->get_col( $wpdb->prepare("SELECT meta_value FROM $wpdb->usermeta WHERE user_id = %d", $user_id) );
	}

if ( empty($metas) ) {
		if ( empty($meta_key) )
			return array();
		else
			return '';
	}

$metas = array_map('maybe_unserialize', $metas);

if ( count($metas) === 1 )
		return $metas[0];
	else
		return $metas;
}

/**
 * Update metadata of user.
 *
 * There is no need to serialize values, they will be serialized if it is
 * needed. The metadata key can only be a string with underscores. All else will
 * be removed.
 *
 * Will remove the metadata, if the meta value is empty.
 *
 * @since 2.0.0
 * @deprecated 3.0.0 Use update_user_meta()
 * @see update_user_meta()
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int $user_id User ID
 * @param string $meta_key Metadata key.
 * @param mixed $meta_value Metadata value.
 * @return bool True on successful update, false on failure.
 */
function update_usermeta( $user_id, $meta_key, $meta_value ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'update_user_meta()' );
	global $wpdb;
	if ( !is_numeric( $user_id ) )
		return false;
	$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);

/** @todo Might need fix because usermeta data is assumed to be already escaped */
	if ( is_string($meta_value) )
		$meta_value = stripslashes($meta_value);
	$meta_value = maybe_serialize($meta_value);

if (empty($meta_value)) {
		return delete_usermeta($user_id, $meta_key);
	}

$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );

if ( $cur )
		do_action( 'update_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );

if ( !$cur )
		$wpdb->insert($wpdb->usermeta, compact('user_id', 'meta_key', 'meta_value') );
	elseif ( $cur->meta_value != $meta_value )
		$wpdb->update($wpdb->usermeta, compact('meta_value'), compact('user_id', 'meta_key') );
	else
		return false;

clean_user_cache( $user_id );
	wp_cache_delete( $user_id, 'user_meta' );

if ( !$cur )
		do_action( 'added_usermeta', $wpdb->insert_id, $user_id, $meta_key, $meta_value );
	else
		do_action( 'updated_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );

return true;
}

/**
 * Get users for the site.
 *
 * For setups that use the multisite feature. Can be used outside of the
 * multisite feature.
 *
 * @since 2.2.0
 * @deprecated 3.1.0 Use get_users()
 * @see get_users()
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int $id Site ID.
 * @return array List of users that are part of that site ID
 */
function get_users_of_blog( $id = '' ) {
	_deprecated_function( __FUNCTION__, '3.1.0', 'get_users()' );

global $wpdb;
	if ( empty( $id ) ) {
		$id = get_current_blog_id();
	}
	$blog_prefix = $wpdb->get_blog_prefix($id);
	$users = $wpdb->get_results( "SELECT user_id, user_id AS ID, user_login, display_name, user_email, meta_value FROM $wpdb->users, $wpdb->usermeta WHERE {$wpdb->users}.ID = {$wpdb->usermeta}.user_id AND meta_key = '{$blog_prefix}capabilities' ORDER BY {$wpdb->usermeta}.user_id" );
	return $users;
}

/**
 * Enable/disable automatic general feed link outputting.
 *
 * @since 2.8.0
 * @deprecated 3.0.0 Use add_theme_support()
 * @see add_theme_support()
 *
 * @param bool $add Optional. Add or remove links. Default true.
 */
function automatic_feed_links( $add = true ) {
	_deprecated_function( __FUNCTION__, '3.0.0', "add_theme_support( 'automatic-feed-links' )" );

if ( $add )
		add_theme_support( 'automatic-feed-links' );
	else
		remove_action( 'wp_head', 'feed_links_extra', 3 ); // Just do this yourself in 3.0+.
}

/**
 * Retrieve user data based on field.
 *
 * @since 1.5.0
 * @deprecated 3.0.0 Use get_the_author_meta()
 * @see get_the_author_meta()
 *
 * @param string    $field User meta field.
 * @param false|int $user  Optional. User ID to retrieve the field for. Default false (current user).
 * @return string The author's field from the current author's DB object.
 */
function get_profile( $field, $user = false ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'get_the_author_meta()' );
	if ( $user ) {
		$user = get_user_by( 'login', $user );
		$user = $user->ID;
	}
	return get_the_author_meta( $field, $user );
}

/**
 * Retrieves the number of posts a user has written.
 *
 * @since 0.71
 * @deprecated 3.0.0 Use count_user_posts()
 * @see count_user_posts()
 *
 * @param int $userid User to count posts for.
 * @return int Number of posts the given user has written.
 */
function get_usernumposts( $userid ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'count_user_posts()' );
	return count_user_posts( $userid );
}

/**
 * Callback used to change %uXXXX to &#YYY; syntax
 *
 * @since 2.8.0
 * @access private
 * @deprecated 3.0.0
 *
 * @param array $matches Single Match
 * @return string An HTML entity
 */
function funky_javascript_callback($matches) {
	return "&#".base_convert($matches[1],16,10).";";
}

/**
 * Fixes JavaScript bugs in browsers.
 *
 * Converts unicode characters to HTML numbered entities.
 *
 * @since 1.5.0
 * @deprecated 3.0.0
 *
 * @global $is_macIE
 * @global $is_winIE
 *
 * @param string $text Text to be made safe.
 * @return string Fixed text.
 */
function funky_javascript_fix($text) {
	_deprecated_function( __FUNCTION__, '3.0.0' );
	// Fixes for browsers' JavaScript bugs.
	global $is_macIE, $is_winIE;

if ( $is_winIE || $is_macIE )
		$text =  preg_replace_callback("/\%u([0-9A-F]{4,4})/",
					"funky_javascript_callback",
					$text);

return $text;
}

/**
 * Checks that the taxonomy name exists.
 *
 * @since 2.3.0
 * @deprecated 3.0.0 Use taxonomy_exists()
 * @see taxonomy_exists()
 *
 * @param string $taxonomy Name of taxonomy object
 * @return bool Whether the taxonomy exists.
 */
function is_taxonomy( $taxonomy ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'taxonomy_exists()' );
	return taxonomy_exists( $taxonomy );
}

/**
 * Check if Term exists.
 *
 * @since 2.3.0
 * @deprecated 3.0.0 Use term_exists()
 * @see term_exists()
 *
 * @param int|string $term The term to check
 * @param string $taxonomy The taxonomy name to use
 * @param int $parent ID of parent term under which to confine the exists search.
 * @return mixed Get the term ID or term object, if exists.
 */
function is_term( $term, $taxonomy = '', $parent = 0 ) {
	_deprecated_function( __FUNCTION__, '3.0.0', 'term_exists()' );
	return term_exists( $term, $taxonomy, $parent );
}

/**
 * Determines whether the current admin page is generated by a plugin.
 *
 * Use global $plugin_page and/or get_plugin_page_hookname() hooks.
 *
 * For more information on this and similar theme functions, check out
 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
 * Conditional Tags} article in the Theme Developer Handbook.
 *
 * @since 1.5.0
 * @deprecated 3.1.0
 *
 * @global $plugin_page
 *
 * @return bool
 */
function is_plugin_page() {
	_deprecated_function( __FUNCTION__, '3.1.0' );

global $plugin_page;

if ( isset($plugin_page) )
		return true;

return false;
}

/**
 * Update the categories cache.
 *
 * This function does not appear to be used anymore or does not appear to be
 * needed. It might be a legacy function left over from when there was a need
 * for updating the category cache.
 *
 * @since 1.5.0
 * @deprecated 3.1.0
 *
 * @return bool Always return True
 */
function update_category_cache() {
	_deprecated_function( __FUNCTION__, '3.1.0' );

return true;
}

/**
 * Check for PHP timezone support
 *
 * @since 2.9.0
 * @deprecated 3.2.0
 *
 * @return bool
 */
function wp_timezone_supported() {
	_deprecated_function( __FUNCTION__, '3.2.0' );

return true;
}

/**
 * Displays an editor: TinyMCE, HTML, or both.
 *
 * @since 2.1.0
 * @deprecated 3.3.0 Use wp_editor()
 * @see wp_editor()
 *
 * @param string $content       Textarea content.
 * @param string $id            Optional. HTML ID attribute value. Default 'content'.
 * @param string $prev_id       Optional. Unused.
 * @param bool   $media_buttons Optional. Whether to display media buttons. Default true.
 * @param int    $tab_index     Optional. Unused.
 * @param bool   $extended      Optional. Unused.
 */
function the_editor($content, $id = 'content', $prev_id = 'title', $media_buttons = true, $tab_index = 2, $extended = true) {
	_deprecated_function( __FUNCTION__, '3.3.0', 'wp_editor()' );

wp_editor( $content, $id, array( 'media_buttons' => $media_buttons ) );
}

/**
 * Perform the query to get the $metavalues array(s) needed by _fill_user and _fill_many_users
 *
 * @since 3.0.0
 * @deprecated 3.3.0
 *
 * @param array $ids User ID numbers list.
 * @return array of arrays. The array is indexed by user_id, containing $metavalues object arrays.
 */
function get_user_metavalues($ids) {
	_deprecated_function( __FUNCTION__, '3.3.0' );

$objects = array();

$ids = array_map('intval', $ids);
	foreach ( $ids as $id )
		$objects[$id] = array();

$metas = update_meta_cache('user', $ids);

foreach ( $metas as $id => $meta ) {
		foreach ( $meta as $key => $metavalues ) {
			foreach ( $metavalues as $value ) {
				$objects[$id][] = (object)array( 'user_id' => $id, 'meta_key' => $key, 'meta_value' => $value);
			}
		}
	}

return $objects;
}

/**
 * Sanitize every user field.
 *
 * If the context is 'raw', then the user object or array will get minimal sanitization of the int fields.
 *
 * @since 2.3.0
 * @deprecated 3.3.0
 *
 * @param object|array $user    The user object or array.
 * @param string       $context Optional. How to sanitize user fields. Default 'display'.
 * @return object|array The now sanitized user object or array (will be the same type as $user).
 */
function sanitize_user_object($user, $context = 'display') {
	_deprecated_function( __FUNCTION__, '3.3.0' );

if ( is_object($user) ) {
		if ( !isset($user->ID) )
			$user->ID = 0;
		if ( ! ( $user instanceof WP_User ) ) {
			$vars = get_object_vars($user);
			foreach ( array_keys($vars) as $field ) {
				if ( is_string($user->$field) || is_numeric($user->$field) )
					$user->$field = sanitize_user_field($field, $user->$field, $user->ID, $context);
			}
		}
		$user->filter = $context;
	} else {
		if ( !isset($user['ID']) )
			$user['ID'] = 0;
		foreach ( array_keys($user) as $field )
			$user[$field] = sanitize_user_field($field, $user[$field], $user['ID'], $context);
		$user['filter'] = $context;
	}

return $user;
}

/**
 * Get boundary post relational link.
 *
 * Can either be start or end post relational link.
 *
 * @since 2.8.0
 * @deprecated 3.3.0
 *
 * @param string $title               Optional. Link title format. Default '%title'.
 * @param bool   $in_same_cat         Optional. Whether link should be in a same category.
 *                                    Default false.
 * @param string $excluded_categories Optional. Excluded categories IDs. Default empty.
 * @param bool   $start               Optional. Whether to display link to first or last post.
 *                                    Default true.
 * @return string
 */
function get_boundary_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '', $start = true) {
	_deprecated_function( __FUNCTION__, '3.3.0' );

$posts = get_boundary_post($in_same_cat, $excluded_categories, $start);
	// If there is no post, stop.
	if ( empty($posts) )
		return;

// Even though we limited get_posts() to return only 1 item it still returns an array of objects.
	$post = $posts[0];

if ( empty($post->post_title) )
		$post->post_title = $start ? __('First Post') : __('Last Post');

$date = mysql2date(get_option('date_format'), $post->post_date);

$title = str_replace('%title', $post->post_title, $title);
	$title = str_replace('%date', $date, $title);
	$title = apply_filters('the_title', $title, $post->ID);

$link = $start ? "<link rel='start' title='" : "<link rel='end' title='";
	$link .= esc_attr($title);
	$link .= "' href='" . get_permalink($post) . "' />\n";

$boundary = $start ? 'start' : 'end';
	return apply_filters( "{$boundary}_post_rel_link", $link );
}

/**
 * Display relational link for the first post.
 *
 * @since 2.8.0
 * @deprecated 3.3.0
 *
 * @param string $title Optional. Link title format.
 * @param bool $in_same_cat Optional. Whether link should be in a same category.
 * @param string $excluded_categories Optional. Excluded categories IDs.
 */
function start_post_rel_link($title = '%title', $in_same_cat = false, $excluded_categories = '') {
	_deprecated_function( __FUNCTION__, '3.3.0' );

echo get_boundary_post_rel_link($title, $in_same_cat, $excluded_categories, true);
}

/**
 * Get site index relational link.
 *
 * @since 2.8.0
 * @deprecated 3.3.0
 *
 * @return string
 */
function get_index_rel_link() {
	_deprecated_function( __FUNCTION__, '3.3.0' );

$link = "<link rel='index' title='" . esc_attr( get_bloginfo( 'name', 'display' ) ) . "' href='" . esc_url( user_trailingslashit( get_bloginfo( 'url', 'display' ) ) ) . "' />\n";
	return apply_filters( "index_rel_link", $link );
}

/**
 * Display relational link for the site index.
 *
 * @since 2.8.0
 * @deprecated 3.3.0
 */
function index_rel_link() {
	_deprecated_function( __FUNCTION__, '3.3.0' );

echo get_index_rel_link();
}

/**
 * Get parent post relational link.
 *
 * @since 2.8.0
 * @deprecated 3.3.0
 *
 * @global WP_Post $post Global post object.
 *
 * @param string $title Optional. Link title format. Default '%title'.
 * @return string
 */
function get_parent_post_rel_link( $title = '%title' ) {
	_deprecated_function( __FUNCTION__, '3.3.0' );

if ( ! empty( $GLOBALS['post'] ) && ! empty( $GLOBALS['post']->post_parent ) )
		$post = get_post($GLOBALS['post']->post_parent);

if ( empty($post) )
		return;

$date = mysql2date(get_option('date_format'), $post->post_date);

$title = str_replace('%title', $post->post_title, $title);
	$title = str_replace('%date', $date, $title);
	$title = apply_filters('the_title', $title, $post->ID);

$link = "<link rel='up' title='";
	$link .= esc_attr( $title );
	$link .= "' href='" . get_permalink($post) . "' />\n";

return apply_filters( "parent_post_rel_link", $link );
}

/**
 * Display relational link for parent item
 *
 * @since 2.8.0
 * @deprecated 3.3.0
 *
 * @param string $title Optional. Link title format. Default '%title'.
 */
function parent_post_rel_link( $title = '%title' ) {
	_deprecated_function( __FUNCTION__, '3.3.0' );

echo get_parent_post_rel_link($title);
}

/**
 * Add the "Dashboard"/"Visit Site" menu.
 *
 * @since 3.2.0
 * @deprecated 3.3.0
 *
 * @param WP_Admin_Bar $wp_admin_bar WP_Admin_Bar instance.
 */
function wp_admin_bar_dashboard_view_site_menu( $wp_admin_bar ) {
	_deprecated_function( __FUNCTION__, '3.3.0' );

$user_id = get_current_user_id();

if ( 0 != $user_id ) {
		if ( is_admin() )
			$wp_admin_bar->add_menu( array( 'id' => 'view-site', 'title' => __( 'Visit Site' ), 'href' => home_url() ) );
		elseif ( is_multisite() )
			$wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => get_dashboard_url( $user_id ) ) );
		else
			$wp_admin_bar->add_menu( array( 'id' => 'dashboard', 'title' => __( 'Dashboard' ), 'href' => admin_url() ) );
	}
}

/**
 * Checks if the current user belong to a given site.
 *
 * @since MU (3.0.0)
 * @deprecated 3.3.0 Use is_user_member_of_blog()
 * @see is_user_member_of_blog()
 *
 * @param int $blog_id Site ID
 * @return bool True if the current users belong to $blog_id, false if not.
 */
function is_blog_user( $blog_id = 0 ) {
	_deprecated_function( __FUNCTION__, '3.3.0', 'is_user_member_of_blog()' );

return is_user_member_of_blog( get_current_user_id(), $blog_id );
}

/**
 * Open the file handle for debugging.
 *
 * @since 0.71
 * @deprecated 3.4.0 Use error_log()
 * @see error_log()
 *
 * @link https://www.php.net/manual/en/function.error-log.php
 *
 * @param string $filename File name.
 * @param string $mode     Type of access you required to the stream.
 * @return false Always false.
 */
function debug_fopen( $filename, $mode ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
	return false;
}

/**
 * Write contents to the file used for debugging.
 *
 * @since 0.71
 * @deprecated 3.4.0 Use error_log()
 * @see error_log()
 *
 * @link https://www.php.net/manual/en/function.error-log.php
 *
 * @param mixed  $fp      Unused.
 * @param string $message Message to log.
 */
function debug_fwrite( $fp, $message ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
	if ( ! empty( $GLOBALS['debug'] ) )
		error_log( $message );
}

/**
 * Close the debugging file handle.
 *
 * @since 0.71
 * @deprecated 3.4.0 Use error_log()
 * @see error_log()
 *
 * @link https://www.php.net/manual/en/function.error-log.php
 *
 * @param mixed $fp Unused.
 */
function debug_fclose( $fp ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'error_log()' );
}

/**
 * Retrieve list of themes with theme data in theme directory.
 *
 * The theme is broken, if it doesn't have a parent theme and is missing either
 * style.css and, or index.php. If the theme has a parent theme then it is
 * broken, if it is missing style.css; index.php is optional.
 *
 * @since 1.5.0
 * @deprecated 3.4.0 Use wp_get_themes()
 * @see wp_get_themes()
 *
 * @return array Theme list with theme data.
 */
function get_themes() {
	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_themes()' );

global $wp_themes;
	if ( isset( $wp_themes ) )
		return $wp_themes;

$themes = wp_get_themes();
	$wp_themes = array();

foreach ( $themes as $theme ) {
		$name = $theme->get('Name');
		if ( isset( $wp_themes[ $name ] ) )
			$wp_themes[ $name . '/' . $theme->get_stylesheet() ] = $theme;
		else
			$wp_themes[ $name ] = $theme;
	}

return $wp_themes;
}

/**
 * Retrieve theme data.
 *
 * @since 1.5.0
 * @deprecated 3.4.0 Use wp_get_theme()
 * @see wp_get_theme()
 *
 * @param string $theme Theme name.
 * @return array|null Null, if theme name does not exist. Theme data, if exists.
 */
function get_theme( $theme ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme( $stylesheet )' );

$themes = get_themes();
	if ( is_array( $themes ) && array_key_exists( $theme, $themes ) )
		return $themes[ $theme ];
	return null;
}

/**
 * Retrieve current theme name.
 *
 * @since 1.5.0
 * @deprecated 3.4.0 Use wp_get_theme()
 * @see wp_get_theme()
 *
 * @return string
 */
function get_current_theme() {
	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );

if ( $theme = get_option( 'current_theme' ) )
		return $theme;

return wp_get_theme()->get('Name');
}

/**
 * Accepts matches array from preg_replace_callback in wpautop() or a string.
 *
 * Ensures that the contents of a `<pre>...</pre>` HTML block are not
 * converted into paragraphs or line breaks.
 *
 * @since 1.2.0
 * @deprecated 3.4.0
 *
 * @param array|string $matches The array or string
 * @return string The pre block without paragraph/line break conversion.
 */
function clean_pre($matches) {
	_deprecated_function( __FUNCTION__, '3.4.0' );

if ( is_array($matches) )
		$text = $matches[1] . $matches[2] . "</pre>";
	else
		$text = $matches;

$text = str_replace(array('<br />', '<br/>', '<br>'), array('', '', ''), $text);
	$text = str_replace('<p>', "\n", $text);
	$text = str_replace('</p>', '', $text);

return $text;
}

/**
 * Add callbacks for image header display.
 *
 * @since 2.1.0
 * @deprecated 3.4.0 Use add_theme_support()
 * @see add_theme_support()
 *
 * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
 * @param callable $admin_head_callback Call on custom header administration screen.
 * @param callable $admin_preview_callback Output a custom header image div on the custom header administration screen. Optional.
 */
function add_custom_image_header( $wp_head_callback, $admin_head_callback, $admin_preview_callback = '' ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-header\', $args )' );
	$args = array(
		'wp-head-callback'    => $wp_head_callback,
		'admin-head-callback' => $admin_head_callback,
	);
	if ( $admin_preview_callback )
		$args['admin-preview-callback'] = $admin_preview_callback;
	return add_theme_support( 'custom-header', $args );
}

/**
 * Remove image header support.
 *
 * @since 3.1.0
 * @deprecated 3.4.0 Use remove_theme_support()
 * @see remove_theme_support()
 *
 * @return null|bool Whether support was removed.
 */
function remove_custom_image_header() {
	_deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-header\' )' );
	return remove_theme_support( 'custom-header' );
}

/**
 * Add callbacks for background image display.
 *
 * @since 3.0.0
 * @deprecated 3.4.0 Use add_theme_support()
 * @see add_theme_support()
 *
 * @param callable $wp_head_callback Call on the {@see 'wp_head'} action.
 * @param callable $admin_head_callback Call on custom background administration screen.
 * @param callable $admin_preview_callback Output a custom background image div on the custom background administration screen. Optional.
 */
function add_custom_background( $wp_head_callback = '', $admin_head_callback = '', $admin_preview_callback = '' ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'add_theme_support( \'custom-background\', $args )' );
	$args = array();
	if ( $wp_head_callback )
		$args['wp-head-callback'] = $wp_head_callback;
	if ( $admin_head_callback )
		$args['admin-head-callback'] = $admin_head_callback;
	if ( $admin_preview_callback )
		$args['admin-preview-callback'] = $admin_preview_callback;
	return add_theme_support( 'custom-background', $args );
}

/**
 * Remove custom background support.
 *
 * @since 3.1.0
 * @deprecated 3.4.0 Use add_custom_background()
 * @see add_custom_background()
 *
 * @return null|bool Whether support was removed.
 */
function remove_custom_background() {
	_deprecated_function( __FUNCTION__, '3.4.0', 'remove_theme_support( \'custom-background\' )' );
	return remove_theme_support( 'custom-background' );
}

/**
 * Retrieve theme data from parsed theme file.
 *
 * @since 1.5.0
 * @deprecated 3.4.0 Use wp_get_theme()
 * @see wp_get_theme()
 *
 * @param string $theme_file Theme file path.
 * @return array Theme data.
 */
function get_theme_data( $theme_file ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'wp_get_theme()' );
	$theme = new WP_Theme( wp_basename( dirname( $theme_file ) ), dirname( dirname( $theme_file ) ) );

$theme_data = array(
		'Name' => $theme->get('Name'),
		'URI' => $theme->display('ThemeURI', true, false),
		'Description' => $theme->display('Description', true, false),
		'Author' => $theme->display('Author', true, false),
		'AuthorURI' => $theme->display('AuthorURI', true, false),
		'Version' => $theme->get('Version'),
		'Template' => $theme->get('Template'),
		'Status' => $theme->get('Status'),
		'Tags' => $theme->get('Tags'),
		'Title' => $theme->get('Name'),
		'AuthorName' => $theme->get('Author'),
	);

foreach ( apply_filters( 'extra_theme_headers', array() ) as $extra_header ) {
		if ( ! isset( $theme_data[ $extra_header ] ) )
			$theme_data[ $extra_header ] = $theme->get( $extra_header );
	}

return $theme_data;
}

/**
 * Alias of update_post_cache().
 *
 * @see update_post_cache() Posts and pages are the same, alias is intentional
 *
 * @since 1.5.1
 * @deprecated 3.4.0 Use update_post_cache()
 * @see update_post_cache()
 *
 * @param array $pages list of page objects
 */
function update_page_cache( &$pages ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'update_post_cache()' );

update_post_cache( $pages );
}

/**
 * Will clean the page in the cache.
 *
 * Clean (read: delete) page from cache that matches $id. Will also clean cache
 * associated with 'all_page_ids' and 'get_pages'.
 *
 * @since 2.0.0
 * @deprecated 3.4.0 Use clean_post_cache
 * @see clean_post_cache()
 *
 * @param int $id Page ID to clean
 */
function clean_page_cache( $id ) {
	_deprecated_function( __FUNCTION__, '3.4.0', 'clean_post_cache()' );

clean_post_cache( $id );
}

/**
 * Retrieve nonce action "Are you sure" message.
 *
 * Deprecated in 3.4.1 and 3.5.0. Backported to 3.3.3.
 *
 * @since 2.0.4
 * @deprecated 3.4.1 Use wp_nonce_ays()
 * @see wp_nonce_ays()
 *
 * @param string $action Nonce action.
 * @return string Are you sure message.
 */
function wp_explain_nonce( $action ) {
	_deprecated_function( __FUNCTION__, '3.4.1', 'wp_nonce_ays()' );
	return __( 'Are you sure you want to do this?' );
}

/**
 * Display "sticky" CSS class, if a post is sticky.
 *
 * @since 2.7.0
 * @deprecated 3.5.0 Use post_class()
 * @see post_class()
 *
 * @param int $post_id An optional post ID.
 */
function sticky_class( $post_id = null ) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'post_class()' );
	if ( is_sticky( $post_id ) )
		echo ' sticky';
}

/**
 * Retrieve post ancestors.
 *
 * This is no longer needed as WP_Post lazy-loads the ancestors
 * property with get_post_ancestors().
 *
 * @since 2.3.4
 * @deprecated 3.5.0 Use get_post_ancestors()
 * @see get_post_ancestors()
 *
 * @param WP_Post $post Post object, passed by reference (unused).
 */
function _get_post_ancestors( &$post ) {
	_deprecated_function( __FUNCTION__, '3.5.0' );
}

/**
 * Load an image from a string, if PHP supports it.
 *
 * @since 2.1.0
 * @deprecated 3.5.0 Use wp_get_image_editor()
 * @see wp_get_image_editor()
 *
 * @param string $file Filename of the image to load.
 * @return resource|GdImage|string The resulting image resource or GdImage instance on success,
 *                                 error string on failure.
 */
function wp_load_image( $file ) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );

if ( is_numeric( $file ) )
		$file = get_attached_file( $file );

if ( ! is_file( $file ) ) {
		/* translators: %s: File name. */
		return sprintf( __( 'File &#8220;%s&#8221; does not exist?' ), $file );
	}

if ( ! function_exists('imagecreatefromstring') )
		return __('The GD image library is not installed.');

// Set artificially high because GD uses uncompressed images in memory.
	wp_raise_memory_limit( 'image' );

$image = imagecreatefromstring( file_get_contents( $file ) );

if ( ! is_gd_image( $image ) ) {
		/* translators: %s: File name. */
		return sprintf( __( 'File &#8220;%s&#8221; is not an image.' ), $file );
	}

return $image;
}

/**
 * Scale down an image to fit a particular size and save a new copy of the image.
 *
 * The PNG transparency will be preserved using the function, as well as the
 * image type. If the file going in is PNG, then the resized image is going to
 * be PNG. The only supported image types are PNG, GIF, and JPEG.
 *
 * Some functionality requires API to exist, so some PHP version may lose out
 * support. This is not the fault of WordPress (where functionality is
 * downgraded, not actual defects), but of your PHP version.
 *
 * @since 2.5.0
 * @deprecated 3.5.0 Use wp_get_image_editor()
 * @see wp_get_image_editor()
 *
 * @param string $file         Image file path.
 * @param int    $max_w        Maximum width to resize to.
 * @param int    $max_h        Maximum height to resize to.
 * @param bool   $crop         Optional. Whether to crop image or resize. Default false.
 * @param string $suffix       Optional. File suffix. Default null.
 * @param string $dest_path    Optional. New image file path. Default null.
 * @param int    $jpeg_quality Optional. Image quality percentage. Default 90.
 * @return mixed WP_Error on failure. String with new destination path.
 */
function image_resize( $file, $max_w, $max_h, $crop = false, $suffix = null, $dest_path = null, $jpeg_quality = 90 ) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_get_image_editor()' );

$editor = wp_get_image_editor( $file );
	if ( is_wp_error( $editor ) )
		return $editor;
	$editor->set_quality( $jpeg_quality );

$resized = $editor->resize( $max_w, $max_h, $crop );
	if ( is_wp_error( $resized ) )
		return $resized;

$dest_file = $editor->generate_filename( $suffix, $dest_path );
	$saved = $editor->save( $dest_file );

if ( is_wp_error( $saved ) )
		return $saved;

return $dest_file;
}

/**
 * Retrieve a single post, based on post ID.
 *
 * Has categories in 'post_category' property or key. Has tags in 'tags_input'
 * property or key.
 *
 * @since 1.0.0
 * @deprecated 3.5.0 Use get_post()
 * @see get_post()
 *
 * @param int $postid Post ID.
 * @param string $mode How to return result, either OBJECT, ARRAY_N, or ARRAY_A.
 * @return WP_Post|null Post object or array holding post contents and information
 */
function wp_get_single_post( $postid = 0, $mode = OBJECT ) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'get_post()' );
	return get_post( $postid, $mode );
}

/**
 * Check that the user login name and password is correct.
 *
 * @since 0.71
 * @deprecated 3.5.0 Use wp_authenticate()
 * @see wp_authenticate()
 *
 * @param string $user_login User name.
 * @param string $user_pass User password.
 * @return bool False if does not authenticate, true if username and password authenticates.
 */
function user_pass_ok($user_login, $user_pass) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_authenticate()' );
	$user = wp_authenticate( $user_login, $user_pass );
	if ( is_wp_error( $user ) )
		return false;

return true;
}

/**
 * Callback formerly fired on the save_post hook. No longer needed.
 *
 * @since 2.3.0
 * @deprecated 3.5.0
 */
function _save_post_hook() {}

/**
 * Check if the installed version of GD supports particular image type
 *
 * @since 2.9.0
 * @deprecated 3.5.0 Use wp_image_editor_supports()
 * @see wp_image_editor_supports()
 *
 * @param string $mime_type
 * @return bool
 */
function gd_edit_image_support($mime_type) {
	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_image_editor_supports()' );

if ( function_exists('imagetypes') ) {
		switch( $mime_type ) {
			case 'image/jpeg':
				return (imagetypes() & IMG_JPG) != 0;
			case 'image/png':
				return (imagetypes() & IMG_PNG) != 0;
			case 'image/gif':
				return (imagetypes() & IMG_GIF) != 0;
			case 'image/webp':
				return (imagetypes() & IMG_WEBP) != 0;
			case 'image/avif':
				return (imagetypes() & IMG_AVIF) != 0;
			}
	} else {
		switch( $mime_type ) {
			case 'image/jpeg':
				return function_exists('imagecreatefromjpeg');
			case 'image/png':
				return function_exists('imagecreatefrompng');
			case 'image/gif':
				return function_exists('imagecreatefromgif');
			case 'image/webp':
				return function_exists('imagecreatefromwebp');
			case 'image/avif':
				return function_exists('imagecreatefromavif');
		}
	}
	return false;
}

/**
 * Converts an integer byte value to a shorthand byte value.
 *
 * @since 2.3.0
 * @deprecated 3.6.0 Use size_format()
 * @see size_format()
 *
 * @param int $bytes An integer byte value.
 * @return string A shorthand byte value.
 */
function wp_convert_bytes_to_hr( $bytes ) {
	_deprecated_function( __FUNCTION__, '3.6.0', 'size_format()' );

$units = array( 0 => 'B', 1 => 'KB', 2 => 'MB', 3 => 'GB', 4 => 'TB' );
	$log   = log( $bytes, KB_IN_BYTES );
	$power = ! is_nan( $log ) && ! is_infinite( $log ) ? (int) $log : 0;
	$size  = KB_IN_BYTES ** ( $log - $power );

if ( ! is_nan( $size ) && array_key_exists( $power, $units ) ) {
		$unit = $units[ $power ];
	} else {
		$size = $bytes;
		$unit = $units[0];
	}

return $size . $unit;
}

/**
 * Formerly used internally to tidy up the search terms.
 *
 * @since 2.9.0
 * @access private
 * @deprecated 3.7.0
 *
 * @param string $t Search terms to "tidy", e.g. trim.
 * @return string Trimmed search terms.
 */
function _search_terms_tidy( $t ) {
	_deprecated_function( __FUNCTION__, '3.7.0' );
	return trim( $t, "\"'\n\r " );
}

/**
 * Determine if TinyMCE is available.
 *
 * Checks to see if the user has deleted the tinymce files to slim down
 * their WordPress installation.
 *
 * @since 2.1.0
 * @deprecated 3.9.0
 *
 * @return bool Whether TinyMCE exists.
 */
function rich_edit_exists() {
	global $wp_rich_edit_exists;
	_deprecated_function( __FUNCTION__, '3.9.0' );

if ( ! isset( $wp_rich_edit_exists ) )
		$wp_rich_edit_exists = file_exists( ABSPATH . WPINC . '/js/tinymce/tinymce.js' );

return $wp_rich_edit_exists;
}

/**
 * Old callback for tag link tooltips.
 *
 * @since 2.7.0
 * @access private
 * @deprecated 3.9.0
 *
 * @param int $count Number of topics.
 * @return int Number of topics.
 */
function default_topic_count_text( $count ) {
	return $count;
}

/**
 * Formerly used to escape strings before inserting into the DB.
 *
 * Has not performed this function for many, many years. Use wpdb::prepare() instead.
 *
 * @since 0.71
 * @deprecated 3.9.0
 *
 * @param string $content The text to format.
 * @return string The very same text.
 */
function format_to_post( $content ) {
	_deprecated_function( __FUNCTION__, '3.9.0' );
	return $content;
}

/**
 * Formerly used to escape strings before searching the DB. It was poorly documented and never worked as described.
 *
 * @since 2.5.0
 * @deprecated 4.0.0 Use wpdb::esc_like()
 * @see wpdb::esc_like()
 *
 * @param string $text The text to be escaped.
 * @return string text, safe for inclusion in LIKE query.
 */
function like_escape($text) {
	_deprecated_function( __FUNCTION__, '4.0.0', 'wpdb::esc_like()' );
	return str_replace( array( "%", "_" ), array( "\\%", "\\_" ), $text );
}

/**
 * Determines if the URL can be accessed over SSL.
 *
 * Determines if the URL can be accessed over SSL by using the WordPress HTTP API to access
 * the URL using https as the scheme.
 *
 * @since 2.5.0
 * @deprecated 4.0.0
 *
 * @param string $url The URL to test.
 * @return bool Whether SSL access is available.
 */
function url_is_accessable_via_ssl( $url ) {
	_deprecated_function( __FUNCTION__, '4.0.0' );

$response = wp_remote_get( set_url_scheme( $url, 'https' ) );

if ( !is_wp_error( $response ) ) {
		$status = wp_remote_retrieve_response_code( $response );
		if ( 200 == $status || 401 == $status ) {
			return true;
		}
	}

return false;
}

/**
 * Start preview theme output buffer.
 *
 * Will only perform task if the user has permissions and template and preview
 * query variables exist.
 *
 * @since 2.6.0
 * @deprecated 4.3.0
 */
function preview_theme() {
	_deprecated_function( __FUNCTION__, '4.3.0' );
}

/**
 * Private function to modify the current template when previewing a theme
 *
 * @since 2.9.0
 * @deprecated 4.3.0
 * @access private
 *
 * @return string
 */
function _preview_theme_template_filter() {
	_deprecated_function( __FUNCTION__, '4.3.0' );
	return '';
}

/**
 * Private function to modify the current stylesheet when previewing a theme
 *
 * @since 2.9.0
 * @deprecated 4.3.0
 * @access private
 *
 * @return string
 */
function _preview_theme_stylesheet_filter() {
	_deprecated_function( __FUNCTION__, '4.3.0' );
	return '';
}

/**
 * Callback function for ob_start() to capture all links in the theme.
 *
 * @since 2.6.0
 * @deprecated 4.3.0
 * @access private
 *
 * @param string $content
 * @return string
 */
function preview_theme_ob_filter( $content ) {
	_deprecated_function( __FUNCTION__, '4.3.0' );
	return $content;
}

/**
 * Manipulates preview theme links in order to control and maintain location.
 *
 * Callback function for preg_replace_callback() to accept and filter matches.
 *
 * @since 2.6.0
 * @deprecated 4.3.0
 * @access private
 *
 * @param array $matches
 * @return string
 */
function preview_theme_ob_filter_callback( $matches ) {
	_deprecated_function( __FUNCTION__, '4.3.0' );
	return '';
}

/**
 * Formats text for the rich text editor.
 *
 * The {@see 'richedit_pre'} filter is applied here. If `$text` is empty the filter will
 * be applied to an empty string.
 *
 * @since 2.0.0
 * @deprecated 4.3.0 Use format_for_editor()
 * @see format_for_editor()
 *
 * @param string $text The text to be formatted.
 * @return string The formatted text after filter is applied.
 */
function wp_richedit_pre($text) {
	_deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );

if ( empty( $text ) ) {
		/**
		 * Filters text returned for the rich text editor.
		 *
		 * This filter is first evaluated, and the value returned, if an empty string
		 * is passed to wp_richedit_pre(). If an empty string is passed, it results
		 * in a break tag and line feed.
		 *
		 * If a non-empty string is passed, the filter is evaluated on the wp_richedit_pre()
		 * return after being formatted.
		 *
		 * @since 2.0.0
		 * @deprecated 4.3.0
		 *
		 * @param string $output Text for the rich text editor.
		 */
		return apply_filters( 'richedit_pre', '' );
	}

$output = convert_chars($text);
	$output = wpautop($output);
	$output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) );

/** This filter is documented in wp-includes/deprecated.php */
	return apply_filters( 'richedit_pre', $output );
}

/**
 * Formats text for the HTML editor.
 *
 * Unless $output is empty it will pass through htmlspecialchars before the
 * {@see 'htmledit_pre'} filter is applied.
 *
 * @since 2.5.0
 * @deprecated 4.3.0 Use format_for_editor()
 * @see format_for_editor()
 *
 * @param string $output The text to be formatted.
 * @return string Formatted text after filter applied.
 */
function wp_htmledit_pre($output) {
	_deprecated_function( __FUNCTION__, '4.3.0', 'format_for_editor()' );

if ( !empty($output) )
		$output = htmlspecialchars($output, ENT_NOQUOTES, get_option( 'blog_charset' ) ); // Convert only '< > &'.

/**
	 * Filters the text before it is formatted for the HTML editor.
	 *
	 * @since 2.5.0
	 * @deprecated 4.3.0
	 *
	 * @param string $output The HTML-formatted text.
	 */
	return apply_filters( 'htmledit_pre', $output );
}

/**
 * Retrieve permalink from post ID.
 *
 * @since 1.0.0
 * @deprecated 4.4.0 Use get_permalink()
 * @see get_permalink()
 *
 * @param int|WP_Post $post Optional. Post ID or WP_Post object. Default is global $post.
 * @return string|false
 */
function post_permalink( $post = 0 ) {
	_deprecated_function( __FUNCTION__, '4.4.0', 'get_permalink()' );

return get_permalink( $post );
}

/**
 * Perform a HTTP HEAD or GET request.
 *
 * If $file_path is a writable filename, this will do a GET request and write
 * the file to that path.
 *
 * @since 2.5.0
 * @deprecated 4.4.0 Use WP_Http
 * @see WP_Http
 *
 * @param string      $url       URL to fetch.
 * @param string|bool $file_path Optional. File path to write request to. Default false.
 * @param int         $red       Optional. The number of Redirects followed, Upon 5 being hit,
 *                               returns false. Default 1.
 * @return \WpOrg\Requests\Utility\CaseInsensitiveDictionary|false Headers on success, false on failure.
 */
function wp_get_http( $url, $file_path = false, $red = 1 ) {
	_deprecated_function( __FUNCTION__, '4.4.0', 'WP_Http' );

// Add 60 seconds to the script timeout to ensure the remote request has enough time.
	if ( function_exists( 'set_time_limit' ) ) {
		@set_time_limit( 60 );
	}

if ( $red > 5 )
		return false;

$options = array();
	$options['redirection'] = 5;

if ( false == $file_path )
		$options['method'] = 'HEAD';
	else
		$options['method'] = 'GET';

$response = wp_safe_remote_request( $url, $options );

if ( is_wp_error( $response ) )
		return false;

$headers = wp_remote_retrieve_headers( $response );
	$headers['response'] = wp_remote_retrieve_response_code( $response );

// WP_HTTP no longer follows redirects for HEAD requests.
	if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) {
		return wp_get_http( $headers['location'], $file_path, ++$red );
	}

if ( false == $file_path )
		return $headers;

// GET request - write it to the supplied filename.
	$out_fp = fopen($file_path, 'w');
	if ( !$out_fp )
		return $headers;

fwrite( $out_fp,  wp_remote_retrieve_body( $response ) );
	fclose($out_fp);
	clearstatcache();

return $headers;
}

/**
 * Whether SSL login should be forced.
 *
 * @since 2.6.0
 * @deprecated 4.4.0 Use force_ssl_admin()
 * @see force_ssl_admin()
 *
 * @param string|bool $force Optional Whether to force SSL login. Default null.
 * @return bool True if forced, false if not forced.
 */
function force_ssl_login( $force = null ) {
	_deprecated_function( __FUNCTION__, '4.4.0', 'force_ssl_admin()' );
	return force_ssl_admin( $force );
}

/**
 * Retrieve path of comment popup template in current or parent template.
 *
 * @since 1.5.0
 * @deprecated 4.5.0
 *
 * @return string Full path to comments popup template file.
 */
function get_comments_popup_template() {
	_deprecated_function( __FUNCTION__, '4.5.0' );

return '';
}

/**
 * Determines whether the current URL is within the comments popup window.
 *
 * For more information on this and similar theme functions, check out
 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
 * Conditional Tags} article in the Theme Developer Handbook.
 *
 * @since 1.5.0
 * @deprecated 4.5.0
 *
 * @return false Always returns false.
 */
function is_comments_popup() {
	_deprecated_function( __FUNCTION__, '4.5.0' );

return false;
}

/**
 * Display the JS popup script to show a comment.
 *
 * @since 0.71
 * @deprecated 4.5.0
 */
function comments_popup_script() {
	_deprecated_function( __FUNCTION__, '4.5.0' );
}

/**
 * Adds element attributes to open links in new tabs.
 *
 * @since 0.71
 * @deprecated 4.5.0
 *
 * @param string $text Content to replace links to open in a new tab.
 * @return string Content that has filtered links.
 */
function popuplinks( $text ) {
	_deprecated_function( __FUNCTION__, '4.5.0' );
	$text = preg_replace('/<a (.+?)>/i', "<a $1 target='_blank' rel='external'>", $text);
	return $text;
}

/**
 * The Google Video embed handler callback.
 *
 * Deprecated function that previously assisted in turning Google Video URLs
 * into embeds but that service has since been shut down.
 *
 * @since 2.9.0
 * @deprecated 4.6.0
 *
 * @return string An empty string.
 */
function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
	_deprecated_function( __FUNCTION__, '4.6.0' );

return '';
}

/**
 * Retrieve path of paged template in current or parent template.
 *
 * @since 1.5.0
 * @deprecated 4.7.0 The paged.php template is no longer part of the theme template hierarchy.
 *
 * @return string Full path to paged template file.
 */
function get_paged_template() {
	_deprecated_function( __FUNCTION__, '4.7.0' );

return get_query_template( 'paged' );
}

/**
 * Removes the HTML JavaScript entities found in early versions of Netscape 4.
 *
 * Previously, this function was pulled in from the original
 * import of kses and removed a specific vulnerability only
 * existent in early version of Netscape 4. However, this
 * vulnerability never affected any other browsers and can
 * be considered safe for the modern web.
 *
 * The regular expression which sanitized this vulnerability
 * has been removed in consideration of the performance and
 * energy demands it placed, now merely passing through its
 * input to the return.
 *
 * @since 1.0.0
 * @deprecated 4.7.0 Officially dropped security support for Netscape 4.
 *
 * @param string $content
 * @return string
 */
function wp_kses_js_entities( $content ) {
	_deprecated_function( __FUNCTION__, '4.7.0' );

return preg_replace( '%&\s*\{[^}]*(\}\s*;?|$)%', '', $content );
}

/**
 * Sort categories by ID.
 *
 * Used by usort() as a callback, should not be used directly. Can actually be
 * used to sort any term object.
 *
 * @since 2.3.0
 * @deprecated 4.7.0 Use wp_list_sort()
 * @access private
 *
 * @param object $a
 * @param object $b
 * @return int
 */
function _usort_terms_by_ID( $a, $b ) {
	_deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );

if ( $a->term_id > $b->term_id )
		return 1;
	elseif ( $a->term_id < $b->term_id )
		return -1;
	else
		return 0;
}

/**
 * Sort categories by name.
 *
 * Used by usort() as a callback, should not be used directly. Can actually be
 * used to sort any term object.
 *
 * @since 2.3.0
 * @deprecated 4.7.0 Use wp_list_sort()
 * @access private
 *
 * @param object $a
 * @param object $b
 * @return int
 */
function _usort_terms_by_name( $a, $b ) {
	_deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );

return strcmp( $a->name, $b->name );
}

/**
 * Sort menu items by the desired key.
 *
 * @since 3.0.0
 * @deprecated 4.7.0 Use wp_list_sort()
 * @access private
 *
 * @global string $_menu_item_sort_prop
 *
 * @param object $a The first object to compare
 * @param object $b The second object to compare
 * @return int -1, 0, or 1 if $a is considered to be respectively less than, equal to, or greater than $b.
 */
function _sort_nav_menu_items( $a, $b ) {
	global $_menu_item_sort_prop;

_deprecated_function( __FUNCTION__, '4.7.0', 'wp_list_sort()' );

if ( empty( $_menu_item_sort_prop ) )
		return 0;

if ( ! isset( $a->$_menu_item_sort_prop ) || ! isset( $b->$_menu_item_sort_prop ) )
		return 0;

$_a = (int) $a->$_menu_item_sort_prop;
	$_b = (int) $b->$_menu_item_sort_prop;

if ( $a->$_menu_item_sort_prop == $b->$_menu_item_sort_prop )
		return 0;
	elseif ( $_a == $a->$_menu_item_sort_prop && $_b == $b->$_menu_item_sort_prop )
		return $_a < $_b ? -1 : 1;
	else
		return strcmp( $a->$_menu_item_sort_prop, $b->$_menu_item_sort_prop );
}

/**
 * Retrieves the Press This bookmarklet link.
 *
 * @since 2.6.0
 * @deprecated 4.9.0
 * @return string
 */
function get_shortcut_link() {
	_deprecated_function( __FUNCTION__, '4.9.0' );

$link = '';

/**
	 * Filters the Press This bookmarklet link.
	 *
	 * @since 2.6.0
	 * @deprecated 4.9.0
	 *
	 * @param string $link The Press This bookmarklet link.
	 */
	return apply_filters( 'shortcut_link', $link );
}

/**
 * Ajax handler for saving a post from Press This.
 *
 * @since 4.2.0
 * @deprecated 4.9.0
 */
function wp_ajax_press_this_save_post() {
	_deprecated_function( __FUNCTION__, '4.9.0' );
	if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
		include WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php';
		$wp_press_this = new WP_Press_This_Plugin();
		$wp_press_this->save_post();
	} else {
		wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
	}
}

/**
 * Ajax handler for creating new category from Press This.
 *
 * @since 4.2.0
 * @deprecated 4.9.0
 */
function wp_ajax_press_this_add_category() {
	_deprecated_function( __FUNCTION__, '4.9.0' );
	if ( is_plugin_active( 'press-this/press-this-plugin.php' ) ) {
		include WP_PLUGIN_DIR . '/press-this/class-wp-press-this-plugin.php';
		$wp_press_this = new WP_Press_This_Plugin();
		$wp_press_this->add_category();
	} else {
		wp_send_json_error( array( 'errorMessage' => __( 'The Press This plugin is required.' ) ) );
	}
}

/**
 * Return the user request object for the specified request ID.
 *
 * @since 4.9.6
 * @deprecated 5.4.0 Use wp_get_user_request()
 * @see wp_get_user_request()
 *
 * @param int $request_id The ID of the user request.
 * @return WP_User_Request|false
 */
function wp_get_user_request_data( $request_id ) {
	_deprecated_function( __FUNCTION__, '5.4.0', 'wp_get_user_request()' );
	return wp_get_user_request( $request_id );
}

/**
 * Filters 'img' elements in post content to add 'srcset' and 'sizes' attributes.
 *
 * @since 4.4.0
 * @deprecated 5.5.0
 *
 * @see wp_image_add_srcset_and_sizes()
 *
 * @param string $content The raw post content to be filtered.
 * @return string Converted content with 'srcset' and 'sizes' attributes added to images.
 */
function wp_make_content_images_responsive( $content ) {
	_deprecated_function( __FUNCTION__, '5.5.0', 'wp_filter_content_tags()' );

// This will also add the `loading` attribute to `img` tags, if enabled.
	return wp_filter_content_tags( $content );
}

/**
 * Turn register globals off.
 *
 * @since 2.1.0
 * @access private
 * @deprecated 5.5.0
 */
function wp_unregister_GLOBALS() {
	// register_globals was deprecated in PHP 5.3 and removed entirely in PHP 5.4.
	_deprecated_function( __FUNCTION__, '5.5.0' );
}

/**
 * Does comment contain disallowed characters or words.
 *
 * @since 1.5.0
 * @deprecated 5.5.0 Use wp_check_comment_disallowed_list() instead.
 *                   Please consider writing more inclusive code.
 *
 * @param string $author The author of the comment
 * @param string $email The email of the comment
 * @param string $url The url used in the comment
 * @param string $comment The comment content
 * @param string $user_ip The comment author's IP address
 * @param string $user_agent The author's browser user agent
 * @return bool True if comment contains disallowed content, false if comment does not
 */
function wp_blacklist_check( $author, $email, $url, $comment, $user_ip, $user_agent ) {
	_deprecated_function( __FUNCTION__, '5.5.0', 'wp_check_comment_disallowed_list()' );

return wp_check_comment_disallowed_list( $author, $email, $url, $comment, $user_ip, $user_agent );
}

/**
 * Filters out `register_meta()` args based on an allowed list.
 *
 * `register_meta()` args may change over time, so requiring the allowed list
 * to be explicitly turned off is a warranty seal of sorts.
 *
 * @access private
 * @since 4.6.0
 * @deprecated 5.5.0 Use _wp_register_meta_args_allowed_list() instead.
 *                   Please consider writing more inclusive code.
 *
 * @param array $args         Arguments from `register_meta()`.
 * @param array $default_args Default arguments for `register_meta()`.
 * @return array Filtered arguments.
 */
function _wp_register_meta_args_whitelist( $args, $default_args ) {
	_deprecated_function( __FUNCTION__, '5.5.0', '_wp_register_meta_args_allowed_list()' );

return _wp_register_meta_args_allowed_list( $args, $default_args );
}

/**
 * Adds an array of options to the list of allowed options.
 *
 * @since 2.7.0
 * @deprecated 5.5.0 Use add_allowed_options() instead.
 *                   Please consider writing more inclusive code.
 *
 * @param array        $new_options
 * @param string|array $options
 * @return array
 */
function add_option_whitelist( $new_options, $options = '' ) {
	_deprecated_function( __FUNCTION__, '5.5.0', 'add_allowed_options()' );

return add_allowed_options( $new_options, $options );
}

/**
 * Removes a list of options from the allowed options list.
 *
 * @since 2.7.0
 * @deprecated 5.5.0 Use remove_allowed_options() instead.
 *                   Please consider writing more inclusive code.
 *
 * @param array        $del_options
 * @param string|array $options
 * @return array
 */
function remove_option_whitelist( $del_options, $options = '' ) {
	_deprecated_function( __FUNCTION__, '5.5.0', 'remove_allowed_options()' );

return remove_allowed_options( $del_options, $options );
}

/**
 * Adds slashes to only string values in an array of values.
 *
 * This should be used when preparing data for core APIs that expect slashed data.
 * This should not be used to escape data going directly into an SQL query.
 *
 * @since 5.3.0
 * @deprecated 5.6.0 Use wp_slash()
 *
 * @see wp_slash()
 *
 * @param mixed $value Scalar or array of scalars.
 * @return mixed Slashes $value
 */
function wp_slash_strings_only( $value ) {
	return map_deep( $value, 'addslashes_strings_only' );
}

/**
 * Adds slashes only if the provided value is a string.
 *
 * @since 5.3.0
 * @deprecated 5.6.0
 *
 * @see wp_slash()
 *
 * @param mixed $value
 * @return mixed
 */
function addslashes_strings_only( $value ) {
	return is_string( $value ) ? addslashes( $value ) : $value;
}

/**
 * Displays a `noindex` meta tag if required by the blog configuration.
 *
 * If a blog is marked as not being public then the `noindex` meta tag will be
 * output to tell web robots not to index the page content.
 *
 * Typical usage is as a {@see 'wp_head'} callback:
 *
 *     add_action( 'wp_head', 'noindex' );
 *
 * @see wp_no_robots()
 *
 * @since 2.1.0
 * @deprecated 5.7.0 Use wp_robots_noindex() instead on 'wp_robots' filter.
 */
function noindex() {
	_deprecated_function( __FUNCTION__, '5.7.0', 'wp_robots_noindex()' );

// If the blog is not public, tell robots to go away.
	if ( '0' == get_option( 'blog_public' ) ) {
		wp_no_robots();
	}
}

/**
 * Display a `noindex` meta tag.
 *
 * Outputs a `noindex` meta tag that tells web robots not to index the page content.
 *
 * Typical usage is as a {@see 'wp_head'} callback:
 *
 *     add_action( 'wp_head', 'wp_no_robots' );
 *
 * @since 3.3.0
 * @since 5.3.0 Echo `noindex,nofollow` if search engine visibility is discouraged.
 * @deprecated 5.7.0 Use wp_robots_no_robots() instead on 'wp_robots' filter.
 */
function wp_no_robots() {
	_deprecated_function( __FUNCTION__, '5.7.0', 'wp_robots_no_robots()' );

if ( get_option( 'blog_public' ) ) {
		echo "<meta name='robots' content='noindex,follow' />\n";
		return;
	}

echo "<meta name='robots' content='noindex,nofollow' />\n";
}

/**
 * Display a `noindex,noarchive` meta tag and referrer `strict-origin-when-cross-origin` meta tag.
 *
 * Outputs a `noindex,noarchive` meta tag that tells web robots not to index or cache the page content.
 * Outputs a referrer `strict-origin-when-cross-origin` meta tag that tells the browser not to send
 * the full URL as a referrer to other sites when cross-origin assets are loaded.
 *
 * Typical usage is as a {@see 'wp_head'} callback:
 *
 *     add_action( 'wp_head', 'wp_sensitive_page_meta' );
 *
 * @since 5.0.1
 * @deprecated 5.7.0 Use wp_robots_sensitive_page() instead on 'wp_robots' filter
 *                   and wp_strict_cross_origin_referrer() on 'wp_head' action.
 *
 * @see wp_robots_sensitive_page()
 */
function wp_sensitive_page_meta() {
	_deprecated_function( __FUNCTION__, '5.7.0', 'wp_robots_sensitive_page()' );

?>
	<meta name='robots' content='noindex,noarchive' />
	<?php
	wp_strict_cross_origin_referrer();
}

/**
 * Render inner blocks from the `core/columns` block for generating an excerpt.
 *
 * @since 5.2.0
 * @access private
 * @deprecated 5.8.0 Use _excerpt_render_inner_blocks() introduced in 5.8.0.
 *
 * @see _excerpt_render_inner_blocks()
 *
 * @param array $columns        The parsed columns block.
 * @param array $allowed_blocks The list of allowed inner blocks.
 * @return string The rendered inner blocks.
 */
function _excerpt_render_inner_columns_blocks( $columns, $allowed_blocks ) {
	_deprecated_function( __FUNCTION__, '5.8.0', '_excerpt_render_inner_blocks()' );

return _excerpt_render_inner_blocks( $columns, $allowed_blocks );
}

/**
 * Renders the duotone filter SVG and returns the CSS filter property to
 * reference the rendered SVG.
 *
 * @since 5.9.0
 * @deprecated 5.9.1 Use wp_get_duotone_filter_property() introduced in 5.9.1.
 *
 * @see wp_get_duotone_filter_property()
 *
 * @param array $preset Duotone preset value as seen in theme.json.
 * @return string Duotone CSS filter property.
 */
function wp_render_duotone_filter_preset( $preset ) {
	_deprecated_function( __FUNCTION__, '5.9.1', 'wp_get_duotone_filter_property()' );

return wp_get_duotone_filter_property( $preset );
}

/**
 * Checks whether serialization of the current block's border properties should occur.
 *
 * @since 5.8.0
 * @access private
 * @deprecated 6.0.0 Use wp_should_skip_block_supports_serialization() introduced in 6.0.0.
 *
 * @see wp_should_skip_block_supports_serialization()
 *
 * @param WP_Block_Type $block_type Block type.
 * @return bool Whether serialization of the current block's border properties
 *              should occur.
 */
function wp_skip_border_serialization( $block_type ) {
	_deprecated_function( __FUNCTION__, '6.0.0', 'wp_should_skip_block_supports_serialization()' );

$border_support = isset( $block_type->supports['__experimentalBorder'] )
		? $block_type->supports['__experimentalBorder']
		: false;

return is_array( $border_support ) &&
		array_key_exists( '__experimentalSkipSerialization', $border_support ) &&
		$border_support['__experimentalSkipSerialization'];
}

/**
 * Checks whether serialization of the current block's dimensions properties should occur.
 *
 * @since 5.9.0
 * @access private
 * @deprecated 6.0.0 Use wp_should_skip_block_supports_serialization() introduced in 6.0.0.
 *
 * @see wp_should_skip_block_supports_serialization()
 *
 * @param WP_Block_type $block_type Block type.
 * @return bool Whether to serialize spacing support styles & classes.
 */
function wp_skip_dimensions_serialization( $block_type ) {
	_deprecated_function( __FUNCTION__, '6.0.0', 'wp_should_skip_block_supports_serialization()' );

$dimensions_support = isset( $block_type->supports['__experimentalDimensions'] )
		? $block_type->supports['__experimentalDimensions']
		: false;

return is_array( $dimensions_support ) &&
		array_key_exists( '__experimentalSkipSerialization', $dimensions_support ) &&
		$dimensions_support['__experimentalSkipSerialization'];
}

/**
 * Checks whether serialization of the current block's spacing properties should occur.
 *
 * @since 5.9.0
 * @access private
 * @deprecated 6.0.0 Use wp_should_skip_block_supports_serialization() introduced in 6.0.0.
 *
 * @see wp_should_skip_block_supports_serialization()
 *
 * @param WP_Block_Type $block_type Block type.
 * @return bool Whether to serialize spacing support styles & classes.
 */
function wp_skip_spacing_serialization( $block_type ) {
	_deprecated_function( __FUNCTION__, '6.0.0', 'wp_should_skip_block_supports_serialization()' );

$spacing_support = isset( $block_type->supports['spacing'] )
		? $block_type->supports['spacing']
		: false;

return is_array( $spacing_support ) &&
		array_key_exists( '__experimentalSkipSerialization', $spacing_support ) &&
		$spacing_support['__experimentalSkipSerialization'];
}

/**
 * Inject the block editor assets that need to be loaded into the editor's iframe as an inline script.
 *
 * @since 5.8.0
 * @deprecated 6.0.0
 */
function wp_add_iframed_editor_assets_html() {
	_deprecated_function( __FUNCTION__, '6.0.0' );
}

/**
 * Retrieves thumbnail for an attachment.
 * Note that this works only for the (very) old image metadata style where 'thumb' was set,
 * and the 'sizes' array did not exist. This function returns false for the newer image metadata style
 * despite that 'thumbnail' is present in the 'sizes' array.
 *
 * @since 2.1.0
 * @deprecated 6.1.0
 *
 * @param int $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
 * @return string|false Thumbnail file path on success, false on failure.
 */
function wp_get_attachment_thumb_file( $post_id = 0 ) {
	_deprecated_function( __FUNCTION__, '6.1.0' );

$post_id = (int) $post_id;
	$post    = get_post( $post_id );

if ( ! $post ) {
		return false;
	}

// Use $post->ID rather than $post_id as get_post() may have used the global $post object.
	$imagedata = wp_get_attachment_metadata( $post->ID );

if ( ! is_array( $imagedata ) ) {
		return false;
	}

$file = get_attached_file( $post->ID );

if ( ! empty( $imagedata['thumb'] ) ) {
		$thumbfile = str_replace( wp_basename( $file ), $imagedata['thumb'], $file );
		if ( file_exists( $thumbfile ) ) {
			/**
			 * Filters the attachment thumbnail file path.
			 *
			 * @since 2.1.0
			 *
			 * @param string $thumbfile File path to the attachment thumbnail.
			 * @param int    $post_id   Attachment ID.
			 */
			return apply_filters( 'wp_get_attachment_thumb_file', $thumbfile, $post->ID );
		}
	}

return false;
}

/**
 * Gets the path to a translation file for loading a textdomain just in time.
 *
 * Caches the retrieved results internally.
 *
 * @since 4.7.0
 * @deprecated 6.1.0
 * @access private
 *
 * @see _load_textdomain_just_in_time()
 *
 * @param string $domain Text domain. Unique identifier for retrieving translated strings.
 * @param bool   $reset  Whether to reset the internal cache. Used by the switch to locale functionality.
 * @return string|false The path to the translation file or false if no translation file was found.
 */
function _get_path_to_translation( $domain, $reset = false ) {
	_deprecated_function( __FUNCTION__, '6.1.0', 'WP_Textdomain_Registry' );

static $available_translations = array();

if ( true === $reset ) {
		$available_translations = array();
	}

if ( ! isset( $available_translations[ $domain ] ) ) {
		$available_translations[ $domain ] = _get_path_to_translation_from_lang_dir( $domain );
	}

return $available_translations[ $domain ];
}

/**
 * Gets the path to a translation file in the languages directory for the current locale.
 *
 * Holds a cached list of available .mo files to improve performance.
 *
 * @since 4.7.0
 * @deprecated 6.1.0
 * @access private
 *
 * @see _get_path_to_translation()
 *
 * @param string $domain Text domain. Unique identifier for retrieving translated strings.
 * @return string|false The path to the translation file or false if no translation file was found.
 */
function _get_path_to_translation_from_lang_dir( $domain ) {
	_deprecated_function( __FUNCTION__, '6.1.0', 'WP_Textdomain_Registry' );

static $cached_mofiles = null;

if ( null === $cached_mofiles ) {
		$cached_mofiles = array();

$locations = array(
			WP_LANG_DIR . '/plugins',
			WP_LANG_DIR . '/themes',
		);

foreach ( $locations as $location ) {
			$mofiles = glob( $location . '/*.mo' );
			if ( $mofiles ) {
				$cached_mofiles = array_merge( $cached_mofiles, $mofiles );
			}
		}
	}

$locale = determine_locale();
	$mofile = "{$domain}-{$locale}.mo";

$path = WP_LANG_DIR . '/plugins/' . $mofile;
	if ( in_array( $path, $cached_mofiles, true ) ) {
		return $path;
	}

$path = WP_LANG_DIR . '/themes/' . $mofile;
	if ( in_array( $path, $cached_mofiles, true ) ) {
		return $path;
	}

return false;
}

/**
 * Allows multiple block styles.
 *
 * @since 5.9.0
 * @deprecated 6.1.0
 *
 * @param array $metadata Metadata for registering a block type.
 * @return array Metadata for registering a block type.
 */
function _wp_multiple_block_styles( $metadata ) {
	_deprecated_function( __FUNCTION__, '6.1.0' );
	return $metadata;
}

/**
 * Generates an inline style for a typography feature e.g. text decoration,
 * text transform, and font style.
 *
 * @since 5.8.0
 * @access private
 * @deprecated 6.1.0 Use wp_style_engine_get_styles() introduced in 6.1.0.
 *
 * @see wp_style_engine_get_styles()
 *
 * @param array  $attributes   Block's attributes.
 * @param string $feature      Key for the feature within the typography styles.
 * @param string $css_property Slug for the CSS property the inline style sets.
 * @return string CSS inline style.
 */
function wp_typography_get_css_variable_inline_style( $attributes, $feature, $css_property ) {
	_deprecated_function( __FUNCTION__, '6.1.0', 'wp_style_engine_get_styles()' );

// Retrieve current attribute value or skip if not found.
	$style_value = _wp_array_get( $attributes, array( 'style', 'typography', $feature ), false );
	if ( ! $style_value ) {
		return;
	}

// If we don't have a preset CSS variable, we'll assume it's a regular CSS value.
	if ( ! str_contains( $style_value, "var:preset|{$css_property}|" ) ) {
		return sprintf( '%s:%s;', $css_property, $style_value );
	}

/*
	 * We have a preset CSS variable as the style.
	 * Get the style value from the string and return CSS style.
	 */
	$index_to_splice = strrpos( $style_value, '|' ) + 1;
	$slug            = substr( $style_value, $index_to_splice );

// Return the actual CSS inline style e.g. `text-decoration:var(--wp--preset--text-decoration--underline);`.
	return sprintf( '%s:var(--wp--preset--%s--%s);', $css_property, $css_property, $slug );
}

/**
 * Determines whether global terms are enabled.
 *
 * @since 3.0.0
 * @since 6.1.0 This function now always returns false.
 * @deprecated 6.1.0
 *
 * @return bool Always returns false.
 */
function global_terms_enabled() {
	_deprecated_function( __FUNCTION__, '6.1.0' );

return false;
}

/**
 * Filter the SQL clauses of an attachment query to include filenames.
 *
 * @since 4.7.0
 * @deprecated 6.0.3
 * @access private
 *
 * @param array $clauses An array including WHERE, GROUP BY, JOIN, ORDER BY,
 *                       DISTINCT, fields (SELECT), and LIMITS clauses.
 * @return array The unmodified clauses.
 */
function _filter_query_attachment_filenames( $clauses ) {
	_deprecated_function( __FUNCTION__, '6.0.3', 'add_filter( "wp_allow_query_attachment_by_filename", "__return_true" )' );
	remove_filter( 'posts_clauses', __FUNCTION__ );
	return $clauses;
}

/**
 * Retrieves a page given its title.
 *
 * If more than one post uses the same title, the post with the smallest ID will be returned.
 * Be careful: in case of more than one post having the same title, it will check the oldest
 * publication date, not the smallest ID.
 *
 * Because this function uses the MySQL '=' comparison, $page_title will usually be matched
 * as case-insensitive with default collation.
 *
 * @since 2.1.0
 * @since 3.0.0 The `$post_type` parameter was added.
 * @deprecated 6.2.0 Use WP_Query.
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string       $page_title Page title.
 * @param string       $output     Optional. The required return type. One of OBJECT, ARRAY_A, or ARRAY_N, which
 *                                 correspond to a WP_Post object, an associative array, or a numeric array,
 *                                 respectively. Default OBJECT.
 * @param string|array $post_type  Optional. Post type or array of post types. Default 'page'.
 * @return WP_Post|array|null WP_Post (or array) on success, or null on failure.
 */
function get_page_by_title( $page_title, $output = OBJECT, $post_type = 'page' ) {
	_deprecated_function( __FUNCTION__, '6.2.0', 'WP_Query' );
	global $wpdb;

if ( is_array( $post_type ) ) {
		$post_type           = esc_sql( $post_type );
		$post_type_in_string = "'" . implode( "','", $post_type ) . "'";
		$sql                 = $wpdb->prepare(
			"SELECT ID
			FROM $wpdb->posts
			WHERE post_title = %s
			AND post_type IN ($post_type_in_string)",
			$page_title
		);
	} else {
		$sql = $wpdb->prepare(
			"SELECT ID
			FROM $wpdb->posts
			WHERE post_title = %s
			AND post_type = %s",
			$page_title,
			$post_type
		);
	}

$page = $wpdb->get_var( $sql );

if ( $page ) {
		return get_post( $page, $output );
	}

return null;
}

/**
 * Returns the correct template for the site's home page.
 *
 * @access private
 * @since 6.0.0
 * @deprecated 6.2.0 Site Editor's server-side redirect for missing postType and postId
 *                   query args is removed. Thus, this function is no longer used.
 *
 * @return array|null A template object, or null if none could be found.
 */
function _resolve_home_block_template() {
	_deprecated_function( __FUNCTION__, '6.2.0' );

$show_on_front = get_option( 'show_on_front' );
	$front_page_id = get_option( 'page_on_front' );

if ( 'page' === $show_on_front && $front_page_id ) {
		return array(
				'postType' => 'page',
				'postId'   => $front_page_id,
		);
	}

$hierarchy = array( 'front-page', 'home', 'index' );
	$template  = resolve_block_template( 'home', $hierarchy, '' );

if ( ! $template ) {
		return null;
	}

return array(
			'postType' => 'wp_template',
			'postId'   => $template->id,
	);
}

/**
 * Displays the link to the Windows Live Writer manifest file.
 *
 * @link https://msdn.microsoft.com/en-us/library/bb463265.aspx
 * @since 2.3.1
 * @deprecated 6.3.0 WLW manifest is no longer in use and no longer included in core,
 *                   so the output from this function is removed.
 */
function wlwmanifest_link() {
	_deprecated_function( __FUNCTION__, '6.3.0' );
}

/**
 * Queues comments for metadata lazy-loading.
 *
 * @since 4.5.0
 * @deprecated 6.3.0 Use wp_lazyload_comment_meta() instead.
 *
 * @param WP_Comment[] $comments Array of comment objects.
 */
function wp_queue_comments_for_comment_meta_lazyload( $comments ) {
	_deprecated_function( __FUNCTION__, '6.3.0', 'wp_lazyload_comment_meta()' );
	// Don't use `wp_list_pluck()` to avoid by-reference manipulation.
	$comment_ids = array();
	if ( is_array( $comments ) ) {
		foreach ( $comments as $comment ) {
			if ( $comment instanceof WP_Comment ) {
				$comment_ids[] = $comment->comment_ID;
			}
		}
	}

wp_lazyload_comment_meta( $comment_ids );
}

/**
 * Gets the default value to use for a `loading` attribute on an element.
 *
 * This function should only be called for a tag and context if lazy-loading is generally enabled.
 *
 * The function usually returns 'lazy', but uses certain heuristics to guess whether the current element is likely to
 * appear above the fold, in which case it returns a boolean `false`, which will lead to the `loading` attribute being
 * omitted on the element. The purpose of this refinement is to avoid lazy-loading elements that are within the initial
 * viewport, which can have a negative performance impact.
 *
 * Under the hood, the function uses {@see wp_increase_content_media_count()} every time it is called for an element
 * within the main content. If the element is the very first content element, the `loading` attribute will be omitted.
 * This default threshold of 3 content elements to omit the `loading` attribute for can be customized using the
 * {@see 'wp_omit_loading_attr_threshold'} filter.
 *
 * @since 5.9.0
 * @deprecated 6.3.0 Use wp_get_loading_optimization_attributes() instead.
 * @see wp_get_loading_optimization_attributes()
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string $context Context for the element for which the `loading` attribute value is requested.
 * @return string|bool The default `loading` attribute value. Either 'lazy', 'eager', or a boolean `false`, to indicate
 *                     that the `loading` attribute should be skipped.
 */
function wp_get_loading_attr_default( $context ) {
	_deprecated_function( __FUNCTION__, '6.3.0', 'wp_get_loading_optimization_attributes()' );
	global $wp_query;

// Skip lazy-loading for the overall block template, as it is handled more granularly.
	if ( 'template' === $context ) {
		return false;
	}

/*
	 * Do not lazy-load images in the header block template part, as they are likely above the fold.
	 * For classic themes, this is handled in the condition below using the 'get_header' action.
	 */
	$header_area = WP_TEMPLATE_PART_AREA_HEADER;
	if ( "template_part_{$header_area}" === $context ) {
		return false;
	}

// Special handling for programmatically created image tags.
	if ( 'the_post_thumbnail' === $context || 'wp_get_attachment_image' === $context ) {
		/*
		 * Skip programmatically created images within post content as they need to be handled together with the other
		 * images within the post content.
		 * Without this clause, they would already be counted below which skews the number and can result in the first
		 * post content image being lazy-loaded only because there are images elsewhere in the post content.
		 */
		if ( doing_filter( 'the_content' ) ) {
			return false;
		}

// Conditionally skip lazy-loading on images before the loop.
		if (
			// Only apply for main query but before the loop.
			$wp_query->before_loop && $wp_query->is_main_query()
			/*
			 * Any image before the loop, but after the header has started should not be lazy-loaded,
			 * except when the footer has already started which can happen when the current template
			 * does not include any loop.
			 */
			&& did_action( 'get_header' ) && ! did_action( 'get_footer' )
		) {
			return false;
		}
	}

/*
	 * The first elements in 'the_content' or 'the_post_thumbnail' should not be lazy-loaded,
	 * as they are likely above the fold.
	 */
	if ( 'the_content' === $context || 'the_post_thumbnail' === $context ) {
		// Only elements within the main query loop have special handling.
		if ( is_admin() || ! in_the_loop() || ! is_main_query() ) {
			return 'lazy';
		}

// Increase the counter since this is a main query content element.
		$content_media_count = wp_increase_content_media_count();

// If the count so far is below the threshold, return `false` so that the `loading` attribute is omitted.
		if ( $content_media_count <= wp_omit_loading_attr_threshold() ) {
			return false;
		}

// For elements after the threshold, lazy-load them as usual.
		return 'lazy';
	}

// Lazy-load by default for any unknown context.
	return 'lazy';
}

/**
 * Adds `loading` attribute to an `img` HTML tag.
 *
 * @since 5.5.0
 * @deprecated 6.3.0 Use wp_img_tag_add_loading_optimization_attrs() instead.
 * @see wp_img_tag_add_loading_optimization_attrs()
 *
 * @param string $image   The HTML `img` tag where the attribute should be added.
 * @param string $context Additional context to pass to the filters.
 * @return string Converted `img` tag with `loading` attribute added.
 */
function wp_img_tag_add_loading_attr( $image, $context ) {
	_deprecated_function( __FUNCTION__, '6.3.0', 'wp_img_tag_add_loading_optimization_attrs()' );
	/*
	 * Get loading attribute value to use. This must occur before the conditional check below so that even images that
	 * are ineligible for being lazy-loaded are considered.
	 */
	$value = wp_get_loading_attr_default( $context );

// Images should have source and dimension attributes for the `loading` attribute to be added.
	if ( ! str_contains( $image, ' src="' ) || ! str_contains( $image, ' width="' ) || ! str_contains( $image, ' height="' ) ) {
		return $image;
	}

/** This filter is documented in wp-admin/includes/media.php */
	$value = apply_filters( 'wp_img_tag_add_loading_attr', $value, $image, $context );

if ( $value ) {
		if ( ! in_array( $value, array( 'lazy', 'eager' ), true ) ) {
			$value = 'lazy';
		}

return str_replace( '<img', '<img loading="' . esc_attr( $value ) . '"', $image );
	}

return $image;
}

/**
 * Takes input from [0, n] and returns it as [0, 1].
 *
 * Direct port of TinyColor's function, lightly simplified to maintain
 * consistency with TinyColor.
 *
 * @link https://github.com/bgrins/TinyColor
 *
 * @since 5.8.0
 * @deprecated 6.3.0
 *
 * @access private
 *
 * @param mixed $n   Number of unknown type.
 * @param int   $max Upper value of the range to bound to.
 * @return float Value in the range [0, 1].
 */
function wp_tinycolor_bound01( $n, $max ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );
	if ( 'string' === gettype( $n ) && str_contains( $n, '.' ) && 1 === (float) $n ) {
		$n = '100%';
	}

$n = min( $max, max( 0, (float) $n ) );

// Automatically convert percentage into number.
	if ( 'string' === gettype( $n ) && str_contains( $n, '%' ) ) {
		$n = (int) ( $n * $max ) / 100;
	}

// Handle floating point rounding errors.
	if ( ( abs( $n - $max ) < 0.000001 ) ) {
		return 1.0;
	}

// Convert into [0, 1] range if it isn't already.
	return ( $n % $max ) / (float) $max;
}

/**
 * Direct port of tinycolor's boundAlpha function to maintain consistency with
 * how tinycolor works.
 *
 * @link https://github.com/bgrins/TinyColor
 *
 * @since 5.9.0
 * @deprecated 6.3.0
 *
 * @access private
 *
 * @param mixed $n Number of unknown type.
 * @return float Value in the range [0,1].
 */
function _wp_tinycolor_bound_alpha( $n ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );

if ( is_numeric( $n ) ) {
		$n = (float) $n;
		if ( $n >= 0 && $n <= 1 ) {
			return $n;
		}
	}
	return 1;
}

/**
 * Rounds and converts values of an RGB object.
 *
 * Direct port of TinyColor's function, lightly simplified to maintain
 * consistency with TinyColor.
 *
 * @link https://github.com/bgrins/TinyColor
 *
 * @since 5.8.0
 * @deprecated 6.3.0
 *
 * @access private
 *
 * @param array $rgb_color RGB object.
 * @return array Rounded and converted RGB object.
 */
function wp_tinycolor_rgb_to_rgb( $rgb_color ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );

return array(
		'r' => wp_tinycolor_bound01( $rgb_color['r'], 255 ) * 255,
		'g' => wp_tinycolor_bound01( $rgb_color['g'], 255 ) * 255,
		'b' => wp_tinycolor_bound01( $rgb_color['b'], 255 ) * 255,
	);
}

/**
 * Helper function for hsl to rgb conversion.
 *
 * Direct port of TinyColor's function, lightly simplified to maintain
 * consistency with TinyColor.
 *
 * @link https://github.com/bgrins/TinyColor
 *
 * @since 5.8.0
 * @deprecated 6.3.0
 *
 * @access private
 *
 * @param float $p first component.
 * @param float $q second component.
 * @param float $t third component.
 * @return float R, G, or B component.
 */
function wp_tinycolor_hue_to_rgb( $p, $q, $t ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );

if ( $t < 0 ) {
		++$t;
	}
	if ( $t > 1 ) {
		--$t;
	}
	if ( $t < 1 / 6 ) {
		return $p + ( $q - $p ) * 6 * $t;
	}
	if ( $t < 1 / 2 ) {
		return $q;
	}
	if ( $t < 2 / 3 ) {
		return $p + ( $q - $p ) * ( 2 / 3 - $t ) * 6;
	}
	return $p;
}

/**
 * Converts an HSL object to an RGB object with converted and rounded values.
 *
 * Direct port of TinyColor's function, lightly simplified to maintain
 * consistency with TinyColor.
 *
 * @link https://github.com/bgrins/TinyColor
 *
 * @since 5.8.0
 * @deprecated 6.3.0
 *
 * @access private
 *
 * @param array $hsl_color HSL object.
 * @return array Rounded and converted RGB object.
 */
function wp_tinycolor_hsl_to_rgb( $hsl_color ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );

$h = wp_tinycolor_bound01( $hsl_color['h'], 360 );
	$s = wp_tinycolor_bound01( $hsl_color['s'], 100 );
	$l = wp_tinycolor_bound01( $hsl_color['l'], 100 );

if ( 0 === $s ) {
		// Achromatic.
		$r = $l;
		$g = $l;
		$b = $l;
	} else {
		$q = $l < 0.5 ? $l * ( 1 + $s ) : $l + $s - $l * $s;
		$p = 2 * $l - $q;
		$r = wp_tinycolor_hue_to_rgb( $p, $q, $h + 1 / 3 );
		$g = wp_tinycolor_hue_to_rgb( $p, $q, $h );
		$b = wp_tinycolor_hue_to_rgb( $p, $q, $h - 1 / 3 );
	}

return array(
		'r' => $r * 255,
		'g' => $g * 255,
		'b' => $b * 255,
	);
}

/**
 * Parses hex, hsl, and rgb CSS strings using the same regex as TinyColor v1.4.2
 * used in the JavaScript. Only colors output from react-color are implemented.
 *
 * Direct port of TinyColor's function, lightly simplified to maintain
 * consistency with TinyColor.
 *
 * @link https://github.com/bgrins/TinyColor
 * @link https://github.com/casesandberg/react-color/
 *
 * @since 5.8.0
 * @since 5.9.0 Added alpha processing.
 * @deprecated 6.3.0
 *
 * @access private
 *
 * @param string $color_str CSS color string.
 * @return array RGB object.
 */
function wp_tinycolor_string_to_rgb( $color_str ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );

$color_str = strtolower( trim( $color_str ) );

$css_integer = '[-\\+]?\\d+%?';
	$css_number  = '[-\\+]?\\d*\\.\\d+%?';

$css_unit = '(?:' . $css_number . ')|(?:' . $css_integer . ')';

$rgb_regexp = '/^rgb' . $permissive_match3 . '$/';
	if ( preg_match( $rgb_regexp, $color_str, $match ) ) {
		$rgb = wp_tinycolor_rgb_to_rgb(
			array(
				'r' => $match[1],
				'g' => $match[2],
				'b' => $match[3],
			)
		);

$rgb['a'] = 1;

return $rgb;
	}

$rgba_regexp = '/^rgba' . $permissive_match4 . '$/';
	if ( preg_match( $rgba_regexp, $color_str, $match ) ) {
		$rgb = wp_tinycolor_rgb_to_rgb(
			array(
				'r' => $match[1],
				'g' => $match[2],
				'b' => $match[3],
			)
		);

$rgb['a'] = _wp_tinycolor_bound_alpha( $match[4] );

return $rgb;
	}

$hsl_regexp = '/^hsl' . $permissive_match3 . '$/';
	if ( preg_match( $hsl_regexp, $color_str, $match ) ) {
		$rgb = wp_tinycolor_hsl_to_rgb(
			array(
				'h' => $match[1],
				's' => $match[2],
				'l' => $match[3],
			)
		);

$rgb['a'] = 1;

return $rgb;
	}

$hsla_regexp = '/^hsla' . $permissive_match4 . '$/';
	if ( preg_match( $hsla_regexp, $color_str, $match ) ) {
		$rgb = wp_tinycolor_hsl_to_rgb(
			array(
				'h' => $match[1],
				's' => $match[2],
				'l' => $match[3],
			)
		);

$rgb['a'] = _wp_tinycolor_bound_alpha( $match[4] );

return $rgb;
	}

$hex8_regexp = '/^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/';
	if ( preg_match( $hex8_regexp, $color_str, $match ) ) {
		$rgb = wp_tinycolor_rgb_to_rgb(
			array(
				'r' => base_convert( $match[1], 16, 10 ),
				'g' => base_convert( $match[2], 16, 10 ),
				'b' => base_convert( $match[3], 16, 10 ),
			)
		);

$rgb['a'] = _wp_tinycolor_bound_alpha(
			base_convert( $match[4], 16, 10 ) / 255
		);

return $rgb;
	}

$hex6_regexp = '/^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/';
	if ( preg_match( $hex6_regexp, $color_str, $match ) ) {
		$rgb = wp_tinycolor_rgb_to_rgb(
			array(
				'r' => base_convert( $match[1], 16, 10 ),
				'g' => base_convert( $match[2], 16, 10 ),
				'b' => base_convert( $match[3], 16, 10 ),
			)
		);

$rgb['a'] = 1;

return $rgb;
	}

$hex4_regexp = '/^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/';
	if ( preg_match( $hex4_regexp, $color_str, $match ) ) {
		$rgb = wp_tinycolor_rgb_to_rgb(
			array(
				'r' => base_convert( $match[1] . $match[1], 16, 10 ),
				'g' => base_convert( $match[2] . $match[2], 16, 10 ),
				'b' => base_convert( $match[3] . $match[3], 16, 10 ),
			)
		);

$rgb['a'] = _wp_tinycolor_bound_alpha(
			base_convert( $match[4] . $match[4], 16, 10 ) / 255
		);

return $rgb;
	}

$hex3_regexp = '/^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/';
	if ( preg_match( $hex3_regexp, $color_str, $match ) ) {
		$rgb = wp_tinycolor_rgb_to_rgb(
			array(
				'r' => base_convert( $match[1] . $match[1], 16, 10 ),
				'g' => base_convert( $match[2] . $match[2], 16, 10 ),
				'b' => base_convert( $match[3] . $match[3], 16, 10 ),
			)
		);

$rgb['a'] = 1;

return $rgb;
	}

/*
	 * The JS color picker considers the string "transparent" to be a hex value,
	 * so we need to handle it here as a special case.
	 */
	if ( 'transparent' === $color_str ) {
		return array(
			'r' => 0,
			'g' => 0,
			'b' => 0,
			'a' => 0,
		);
	}
}

/**
 * Returns the prefixed id for the duotone filter for use as a CSS id.
 *
 * @since 5.9.1
 * @deprecated 6.3.0
 *
 * @access private
 *
 * @param array $preset Duotone preset value as seen in theme.json.
 * @return string Duotone filter CSS id.
 */
function wp_get_duotone_filter_id( $preset ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );
	return WP_Duotone::get_filter_id_from_preset( $preset );
}

/**
 * Returns the CSS filter property url to reference the rendered SVG.
 *
 * @since 5.9.0
 * @since 6.1.0 Allow unset for preset colors.
 * @deprecated 6.3.0
 *
 * @access private
 *
 * @param array $preset Duotone preset value as seen in theme.json.
 * @return string Duotone CSS filter property url value.
 */
function wp_get_duotone_filter_property( $preset ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );
	return WP_Duotone::get_filter_css_property_value_from_preset( $preset );
}

/**
 * Returns the duotone filter SVG string for the preset.
 *
 * @since 5.9.1
 * @deprecated 6.3.0 Use WP_Duotone::get_filter_svg_from_preset() instead.
 *
 * @access private
 *
 * @param array $preset Duotone preset value as seen in theme.json.
 * @return string Duotone SVG filter.
 */
function wp_get_duotone_filter_svg( $preset ) {
	_deprecated_function( __FUNCTION__, '6.3.0', 'WP_Duotone::get_filter_svg_from_preset()' );
	return WP_Duotone::get_filter_svg_from_preset( $preset );
}

/**
 * Registers the style and colors block attributes for block types that support it.
 *
 * @since 5.8.0
 * @deprecated 6.3.0 Use WP_Duotone::register_duotone_support() instead.
 *
 * @access private
 *
 * @param WP_Block_Type $block_type Block Type.
 */
function wp_register_duotone_support( $block_type ) {
	_deprecated_function( __FUNCTION__, '6.3.0', 'WP_Duotone::register_duotone_support()' );
	return WP_Duotone::register_duotone_support( $block_type );
}

/**
 * Renders out the duotone stylesheet and SVG.
 *
 * @since 5.8.0
 * @since 6.1.0 Allow unset for preset colors.
 * @deprecated 6.3.0 Use WP_Duotone::render_duotone_support() instead.
 *
 * @access private
 *
 * @param string $block_content Rendered block content.
 * @param array  $block         Block object.
 * @return string Filtered block content.
 */
function wp_render_duotone_support( $block_content, $block ) {
	_deprecated_function( __FUNCTION__, '6.3.0', 'WP_Duotone::render_duotone_support()' );
	$wp_block = new WP_Block( $block );
	return WP_Duotone::render_duotone_support( $block_content, $block, $wp_block );
}

/**
 * Returns a string containing the SVGs to be referenced as filters (duotone).
 *
 * @since 5.9.1
 * @deprecated 6.3.0 SVG generation is handled on a per-block basis in block supports.
 *
 * @return string
 */
function wp_get_global_styles_svg_filters() {
	_deprecated_function( __FUNCTION__, '6.3.0' );

/*
	 * Ignore cache when the development mode is set to 'theme', so it doesn't interfere with the theme
	 * developer's workflow.
	 */
	$can_use_cached = ! wp_is_development_mode( 'theme' );
	$cache_group    = 'theme_json';
	$cache_key      = 'wp_get_global_styles_svg_filters';
	if ( $can_use_cached ) {
		$cached = wp_cache_get( $cache_key, $cache_group );
		if ( $cached ) {
			return $cached;
		}
	}

$supports_theme_json = wp_theme_has_theme_json();

$origins = array( 'default', 'theme', 'custom' );
	if ( ! $supports_theme_json ) {
		$origins = array( 'default' );
	}

$tree = WP_Theme_JSON_Resolver::get_merged_data();
	$svgs = $tree->get_svg_filters( $origins );

if ( $can_use_cached ) {
		wp_cache_set( $cache_key, $svgs, $cache_group );
	}

return $svgs;
}

/**
 * Renders the SVG filters supplied by theme.json.
 *
 * Note that this doesn't render the per-block user-defined
 * filters which are handled by wp_render_duotone_support,
 * but it should be rendered before the filtered content
 * in the body to satisfy Safari's rendering quirks.
 *
 * @since 5.9.1
 * @deprecated 6.3.0 SVG generation is handled on a per-block basis in block supports.
 */
function wp_global_styles_render_svg_filters() {
	_deprecated_function( __FUNCTION__, '6.3.0' );

/*
	 * When calling via the in_admin_header action, we only want to render the
	 * SVGs on block editor pages.
	 */
	if (
		is_admin() &&
		! get_current_screen()->is_block_editor()
	) {
		return;
	}

$filters = wp_get_global_styles_svg_filters();
	if ( ! empty( $filters ) ) {
		echo $filters;
	}
}

/**
 * Build an array with CSS classes and inline styles defining the colors
 * which will be applied to the navigation markup in the front-end.
 *
 * @since 5.9.0
 * @deprecated 6.3.0 This was removed from the Navigation Submenu block in favour of `wp_apply_colors_support()`.
 *                   `wp_apply_colors_support()` returns an array with similar class and style values,
 *                   but with different keys: `class` and `style`.
 *
 * @param  array $context     Navigation block context.
 * @param  array $attributes  Block attributes.
 * @param  bool  $is_sub_menu Whether the block is a sub-menu.
 * @return array Colors CSS classes and inline styles.
 */
function block_core_navigation_submenu_build_css_colors( $context, $attributes, $is_sub_menu = false ) {
	_deprecated_function( __FUNCTION__, '6.3.0' );
	$colors = array(
		'css_classes'   => array(),
		'inline_styles' => '',
	);

// Text color.
	$named_text_color  = null;
	$custom_text_color = null;

if ( $is_sub_menu && array_key_exists( 'customOverlayTextColor', $context ) ) {
		$custom_text_color = $context['customOverlayTextColor'];
	} elseif ( $is_sub_menu && array_key_exists( 'overlayTextColor', $context ) ) {
		$named_text_color = $context['overlayTextColor'];
	} elseif ( array_key_exists( 'customTextColor', $context ) ) {
		$custom_text_color = $context['customTextColor'];
	} elseif ( array_key_exists( 'textColor', $context ) ) {
		$named_text_color = $context['textColor'];
	} elseif ( isset( $context['style']['color']['text'] ) ) {
		$custom_text_color = $context['style']['color']['text'];
	}

// If has text color.
	if ( ! is_null( $named_text_color ) ) {
		// Add the color class.
		array_push( $colors['css_classes'], 'has-text-color', sprintf( 'has-%s-color', $named_text_color ) );
	} elseif ( ! is_null( $custom_text_color ) ) {
		// Add the custom color inline style.
		$colors['css_classes'][]  = 'has-text-color';
		$colors['inline_styles'] .= sprintf( 'color: %s;', $custom_text_color );
	}

// Background color.
	$named_background_color  = null;
	$custom_background_color = null;

if ( $is_sub_menu && array_key_exists( 'customOverlayBackgroundColor', $context ) ) {
		$custom_background_color = $context['customOverlayBackgroundColor'];
	} elseif ( $is_sub_menu && array_key_exists( 'overlayBackgroundColor', $context ) ) {
		$named_background_color = $context['overlayBackgroundColor'];
	} elseif ( array_key_exists( 'customBackgroundColor', $context ) ) {
		$custom_background_color = $context['customBackgroundColor'];
	} elseif ( array_key_exists( 'backgroundColor', $context ) ) {
		$named_background_color = $context['backgroundColor'];
	} elseif ( isset( $context['style']['color']['background'] ) ) {
		$custom_background_color = $context['style']['color']['background'];
	}

// If has background color.
	if ( ! is_null( $named_background_color ) ) {
		// Add the background-color class.
		array_push( $colors['css_classes'], 'has-background', sprintf( 'has-%s-background-color', $named_background_color ) );
	} elseif ( ! is_null( $custom_background_color ) ) {
		// Add the custom background-color inline style.
		$colors['css_classes'][]  = 'has-background';
		$colors['inline_styles'] .= sprintf( 'background-color: %s;', $custom_background_color );
	}

return $colors;
}

/**
 * Runs the theme.json webfonts handler.
 *
 * Using `WP_Theme_JSON_Resolver`, it gets the fonts defined
 * in the `theme.json` for the current selection and style
 * variations, validates the font-face properties, generates
 * the '@font-face' style declarations, and then enqueues the
 * styles for both the editor and front-end.
 *
 * Design Notes:
 * This is not a public API, but rather an internal handler.
 * A future public Webfonts API will replace this stopgap code.
 *
 * This code design is intentional.
 *    a. It hides the inner-workings.
 *    b. It does not expose API ins or outs for consumption.
 *    c. It only works with a theme's `theme.json`.
 *
 * Why?
 *    a. To avoid backwards-compatibility issues when
 *       the Webfonts API is introduced in Core.
 *    b. To make `fontFace` declarations in `theme.json` work.
 *
 * @link  https://github.com/WordPress/gutenberg/issues/40472
 *
 * @since 6.0.0
 * @deprecated 6.4.0 Use wp_print_font_faces() instead.
 * @access private
 */
function _wp_theme_json_webfonts_handler() {
	_deprecated_function( __FUNCTION__, '6.4.0', 'wp_print_font_faces' );

// Block themes are unavailable during installation.
	if ( wp_installing() ) {
		return;
	}

if ( ! wp_theme_has_theme_json() ) {
		return;
	}

// Webfonts to be processed.
	$registered_webfonts = array();

/**
	 * Gets the webfonts from theme.json.
	 *
	 * @since 6.0.0
	 *
	 * @return array Array of defined webfonts.
	 */
	$fn_get_webfonts_from_theme_json = static function() {
		// Get settings from theme.json.
		$settings = WP_Theme_JSON_Resolver::get_merged_data()->get_settings();

// If in the editor, add webfonts defined in variations.
		if ( is_admin() || wp_is_rest_endpoint() ) {
			$variations = WP_Theme_JSON_Resolver::get_style_variations();
			foreach ( $variations as $variation ) {
				// Skip if fontFamilies are not defined in the variation.
				if ( empty( $variation['settings']['typography']['fontFamilies'] ) ) {
					continue;
				}

// Initialize the array structure.
				if ( empty( $settings['typography'] ) ) {
					$settings['typography'] = array();
				}
				if ( empty( $settings['typography']['fontFamilies'] ) ) {
					$settings['typography']['fontFamilies'] = array();
				}
				if ( empty( $settings['typography']['fontFamilies']['theme'] ) ) {
					$settings['typography']['fontFamilies']['theme'] = array();
				}

// Combine variations with settings. Remove duplicates.
				$settings['typography']['fontFamilies']['theme'] = array_merge( $settings['typography']['fontFamilies']['theme'], $variation['settings']['typography']['fontFamilies']['theme'] );
				$settings['typography']['fontFamilies']          = array_unique( $settings['typography']['fontFamilies'] );
			}
		}

// Bail out early if there are no settings for webfonts.
		if ( empty( $settings['typography']['fontFamilies'] ) ) {
			return array();
		}

$webfonts = array();

// Look for fontFamilies.
		foreach ( $settings['typography']['fontFamilies'] as $font_families ) {
			foreach ( $font_families as $font_family ) {

// Skip if fontFace is not defined.
				if ( empty( $font_family['fontFace'] ) ) {
					continue;
				}

// Skip if fontFace is not an array of webfonts.
				if ( ! is_array( $font_family['fontFace'] ) ) {
					continue;
				}

$webfonts = array_merge( $webfonts, $font_family['fontFace'] );
			}
		}

return $webfonts;
	};

/**
	 * Transforms each 'src' into an URI by replacing 'file:./'
	 * placeholder from theme.json.
	 *
	 * The absolute path to the webfont file(s) cannot be defined in
	 * theme.json. `file:./` is the placeholder which is replaced by
	 * the theme's URL path to the theme's root.
	 *
	 * @since 6.0.0
	 *
	 * @param array $src Webfont file(s) `src`.
	 * @return array Webfont's `src` in URI.
	 */
	$fn_transform_src_into_uri = static function( array $src ) {
		foreach ( $src as $key => $url ) {
			// Tweak the URL to be relative to the theme root.
			if ( ! str_starts_with( $url, 'file:./' ) ) {
				continue;
			}

$src[ $key ] = get_theme_file_uri( str_replace( 'file:./', '', $url ) );
		}

return $src;
	};

/**
	 * Converts the font-face properties (i.e. keys) into kebab-case.
	 *
	 * @since 6.0.0
	 *
	 * @param array $font_face Font face to convert.
	 * @return array Font faces with each property in kebab-case format.
	 */
	$fn_convert_keys_to_kebab_case = static function( array $font_face ) {
		foreach ( $font_face as $property => $value ) {
			$kebab_case               = _wp_to_kebab_case( $property );
			$font_face[ $kebab_case ] = $value;
			if ( $kebab_case !== $property ) {
				unset( $font_face[ $property ] );
			}
		}

return $font_face;
	};

/**
	 * Validates a webfont.
	 *
	 * @since 6.0.0
	 *
	 * @param array $webfont The webfont arguments.
	 * @return array|false The validated webfont arguments, or false if the webfont is invalid.
	 */
	$fn_validate_webfont = static function( $webfont ) {
		$webfont = wp_parse_args(
				$webfont,
				array(
						'font-family'  => '',
						'font-style'   => 'normal',
						'font-weight'  => '400',
						'font-display' => 'fallback',
						'src'          => array(),
				)
		);

// Check the font-family.
		if ( empty( $webfont['font-family'] ) || ! is_string( $webfont['font-family'] ) ) {
			trigger_error( __( 'Webfont font family must be a non-empty string.' ) );

return false;
		}

// Check that the `src` property is defined and a valid type.
		if ( empty( $webfont['src'] ) || ( ! is_string( $webfont['src'] ) && ! is_array( $webfont['src'] ) ) ) {
			trigger_error( __( 'Webfont src must be a non-empty string or an array of strings.' ) );

return false;
		}

// Validate the `src` property.
		foreach ( (array) $webfont['src'] as $src ) {
			if ( ! is_string( $src ) || '' === trim( $src ) ) {
				trigger_error( __( 'Each webfont src must be a non-empty string.' ) );

return false;
			}
		}

// Check the font-weight.
		if ( ! is_string( $webfont['font-weight'] ) && ! is_int( $webfont['font-weight'] ) ) {
			trigger_error( __( 'Webfont font weight must be a properly formatted string or integer.' ) );

return false;
		}

// Check the font-display.
		if ( ! in_array( $webfont['font-display'], array( 'auto', 'block', 'fallback', 'optional', 'swap' ), true ) ) {
			$webfont['font-display'] = 'fallback';
		}

$valid_props = array(
				'ascend-override',
				'descend-override',
				'font-display',
				'font-family',
				'font-stretch',
				'font-style',
				'font-weight',
				'font-variant',
				'font-feature-settings',
				'font-variation-settings',
				'line-gap-override',
				'size-adjust',
				'src',
				'unicode-range',
		);

foreach ( $webfont as $prop => $value ) {
			if ( ! in_array( $prop, $valid_props, true ) ) {
				unset( $webfont[ $prop ] );
			}
		}

return $webfont;
	};

/**
	 * Registers webfonts declared in theme.json.
	 *
	 * @since 6.0.0
	 *
	 * @uses $registered_webfonts To access and update the registered webfonts registry (passed by reference).
	 * @uses $fn_get_webfonts_from_theme_json To run the function that gets the webfonts from theme.json.
	 * @uses $fn_convert_keys_to_kebab_case To run the function that converts keys into kebab-case.
	 * @uses $fn_validate_webfont To run the function that validates each font-face (webfont) from theme.json.
	 */
	$fn_register_webfonts = static function() use ( &$registered_webfonts, $fn_get_webfonts_from_theme_json, $fn_convert_keys_to_kebab_case, $fn_validate_webfont, $fn_transform_src_into_uri ) {
		$registered_webfonts = array();

foreach ( $fn_get_webfonts_from_theme_json() as $webfont ) {
			if ( ! is_array( $webfont ) ) {
				continue;
			}

$webfont = $fn_convert_keys_to_kebab_case( $webfont );

$webfont = $fn_validate_webfont( $webfont );

$webfont['src'] = $fn_transform_src_into_uri( (array) $webfont['src'] );

// Skip if not valid.
			if ( empty( $webfont ) ) {
				continue;
			}

$registered_webfonts[] = $webfont;
		}
	};

/**
	 * Orders 'src' items to optimize for browser support.
	 *
	 * @since 6.0.0
	 *
	 * @param array $webfont Webfont to process.
	 * @return array Ordered `src` items.
	 */
	$fn_order_src = static function( array $webfont ) {
		$src         = array();
		$src_ordered = array();

foreach ( $webfont['src'] as $url ) {
			// Add data URIs first.
			if ( str_starts_with( trim( $url ), 'data:' ) ) {
				$src_ordered[] = array(
						'url'    => $url,
						'format' => 'data',
				);
				continue;
			}
			$format         = pathinfo( $url, PATHINFO_EXTENSION );
			$src[ $format ] = $url;
		}

// Add woff2.
		if ( ! empty( $src['woff2'] ) ) {
			$src_ordered[] = array(
					'url'    => sanitize_url( $src['woff2'] ),
					'format' => 'woff2',
			);
		}

// Add woff.
		if ( ! empty( $src['woff'] ) ) {
			$src_ordered[] = array(
					'url'    => sanitize_url( $src['woff'] ),
					'format' => 'woff',
			);
		}

// Add ttf.
		if ( ! empty( $src['ttf'] ) ) {
			$src_ordered[] = array(
					'url'    => sanitize_url( $src['ttf'] ),
					'format' => 'truetype',
			);
		}

// Add eot.
		if ( ! empty( $src['eot'] ) ) {
			$src_ordered[] = array(
					'url'    => sanitize_url( $src['eot'] ),
					'format' => 'embedded-opentype',
			);
		}

// Add otf.
		if ( ! empty( $src['otf'] ) ) {
			$src_ordered[] = array(
					'url'    => sanitize_url( $src['otf'] ),
					'format' => 'opentype',
			);
		}
		$webfont['src'] = $src_ordered;

return $webfont;
	};

/**
	 * Compiles the 'src' into valid CSS.
	 *
	 * @since 6.0.0
	 * @since 6.2.0 Removed local() CSS.
	 *
	 * @param string $font_family Font family.
	 * @param array  $value       Value to process.
	 * @return string The CSS.
	 */
	$fn_compile_src = static function( $font_family, array $value ) {
		$src = '';

foreach ( $value as $item ) {
			$src .= ( 'data' === $item['format'] )
					? ", url({$item['url']})"
					: ", url('{$item['url']}') format('{$item['format']}')";
		}

$src = ltrim( $src, ', ' );

return $src;
	};

/**
	 * Compiles the font variation settings.
	 *
	 * @since 6.0.0
	 *
	 * @param array $font_variation_settings Array of font variation settings.
	 * @return string The CSS.
	 */
	$fn_compile_variations = static function( array $font_variation_settings ) {
		$variations = '';

foreach ( $font_variation_settings as $key => $value ) {
			$variations .= "$key $value";
		}

return $variations;
	};

/**
	 * Builds the font-family's CSS.
	 *
	 * @since 6.0.0
	 *
	 * @uses $fn_compile_src To run the function that compiles the src.
	 * @uses $fn_compile_variations To run the function that compiles the variations.
	 *
	 * @param array $webfont Webfont to process.
	 * @return string This font-family's CSS.
	 */
	$fn_build_font_face_css = static function( array $webfont ) use ( $fn_compile_src, $fn_compile_variations ) {
		$css = '';

// Wrap font-family in quotes if it contains spaces.
		if (
				str_contains( $webfont['font-family'], ' ' ) &&
				! str_contains( $webfont['font-family'], '"' ) &&
				! str_contains( $webfont['font-family'], "'" )
		) {
			$webfont['font-family'] = '"' . $webfont['font-family'] . '"';
		}

foreach ( $webfont as $key => $value ) {
			/*
			 * Skip "provider", since it's for internal API use,
			 * and not a valid CSS property.
			 */
			if ( 'provider' === $key ) {
				continue;
			}

// Compile the "src" parameter.
			if ( 'src' === $key ) {
				$value = $fn_compile_src( $webfont['font-family'], $value );
			}

// If font-variation-settings is an array, convert it to a string.
			if ( 'font-variation-settings' === $key && is_array( $value ) ) {
				$value = $fn_compile_variations( $value );
			}

if ( ! empty( $value ) ) {
				$css .= "$key:$value;";
			}
		}

return $css;
	};

/**
	 * Gets the '@font-face' CSS styles for locally-hosted font files.
	 *
	 * @since 6.0.0
	 *
	 * @uses $registered_webfonts To access and update the registered webfonts registry (passed by reference).
	 * @uses $fn_order_src To run the function that orders the src.
	 * @uses $fn_build_font_face_css To run the function that builds the font-face CSS.
	 *
	 * @return string The `@font-face` CSS.
	 */
	$fn_get_css = static function() use ( &$registered_webfonts, $fn_order_src, $fn_build_font_face_css ) {
		$css = '';

foreach ( $registered_webfonts as $webfont ) {
			// Order the webfont's `src` items to optimize for browser support.
			$webfont = $fn_order_src( $webfont );

// Build the @font-face CSS for this webfont.
			$css .= '@font-face{' . $fn_build_font_face_css( $webfont ) . '}';
		}

return $css;
	};

/**
	 * Generates and enqueues webfonts styles.
	 *
	 * @since 6.0.0
	 *
	 * @uses $fn_get_css To run the function that gets the CSS.
	 */
	$fn_generate_and_enqueue_styles = static function() use ( $fn_get_css ) {
		// Generate the styles.
		$styles = $fn_get_css();

// Bail out if there are no styles to enqueue.
		if ( '' === $styles ) {
			return;
		}

// Enqueue the stylesheet.
		wp_register_style( 'wp-webfonts', '' );
		wp_enqueue_style( 'wp-webfonts' );

// Add the styles to the stylesheet.
		wp_add_inline_style( 'wp-webfonts', $styles );
	};

/**
	 * Generates and enqueues editor styles.
	 *
	 * @since 6.0.0
	 *
	 * @uses $fn_get_css To run the function that gets the CSS.
	 */
	$fn_generate_and_enqueue_editor_styles = static function() use ( $fn_get_css ) {
		// Generate the styles.
		$styles = $fn_get_css();

// Bail out if there are no styles to enqueue.
		if ( '' === $styles ) {
			return;
		}

wp_add_inline_style( 'wp-block-library', $styles );
	};

add_action( 'wp_loaded', $fn_register_webfonts );
	add_action( 'wp_enqueue_scripts', $fn_generate_and_enqueue_styles );
	add_action( 'admin_init', $fn_generate_and_enqueue_editor_styles );
}

/**
 * Prints the CSS in the embed iframe header.
 *
 * @since 4.4.0
 * @deprecated 6.4.0 Use wp_enqueue_embed_styles() instead.
 */
function print_embed_styles() {
	_deprecated_function( __FUNCTION__, '6.4.0', 'wp_enqueue_embed_styles' );

$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
	$suffix    = SCRIPT_DEBUG ? '' : '.min';
	?>
	<style<?php echo $type_attr; ?>>
		<?php echo file_get_contents( ABSPATH . WPINC . "/css/wp-embed-template$suffix.css" ); ?>
	</style>
	<?php
}

/**
 * Prints the important emoji-related styles.
 *
 * @since 4.2.0
 * @deprecated 6.4.0 Use wp_enqueue_emoji_styles() instead.
 */
function print_emoji_styles() {
	_deprecated_function( __FUNCTION__, '6.4.0', 'wp_enqueue_emoji_styles' );
	static $printed = false;

if ( $printed ) {
		return;
	}

$printed = true;

$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
	?>
	<style<?php echo $type_attr; ?>>
	img.wp-smiley,
	img.emoji {
		display: inline !important;
		border: none !important;
		box-shadow: none !important;
		height: 1em !important;
		width: 1em !important;
		margin: 0 0.07em !important;
		vertical-align: -0.1em !important;
		background: none !important;
		padding: 0 !important;
	}
	</style>
	<?php
}

/**
 * Prints style and scripts for the admin bar.
 *
 * @since 3.1.0
 * @deprecated 6.4.0 Use wp_enqueue_admin_bar_header_styles() instead.
 */
function wp_admin_bar_header() {
	_deprecated_function( __FUNCTION__, '6.4.0', 'wp_enqueue_admin_bar_header_styles' );
	$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
	?>
	<style<?php echo $type_attr; ?> media="print">#wpadminbar { display:none; }</style>
	<?php
}

/**
 * Prints default admin bar callback.
 *
 * @since 3.1.0
 * @deprecated 6.4.0 Use wp_enqueue_admin_bar_bump_styles() instead.
 */
function _admin_bar_bump_cb() {
	_deprecated_function( __FUNCTION__, '6.4.0', 'wp_enqueue_admin_bar_bump_styles' );
	$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
	?>
	<style<?php echo $type_attr; ?> media="screen">
	html { margin-top: 32px !important; }
	@media screen and ( max-width: 782px ) {
	  html { margin-top: 46px !important; }
	}
	</style>
	<?php
}

/**
 * Runs a remote HTTPS request to detect whether HTTPS supported, and stores potential errors.
 *
 * This internal function is called by a regular Cron hook to ensure HTTPS support is detected and maintained.
 *
 * @since 5.7.0
 * @deprecated 6.4.0 The `wp_update_https_detection_errors()` function is no longer used and has been replaced by
 *                   `wp_get_https_detection_errors()`. Previously the function was called by a regular Cron hook to
 *                    update the `https_detection_errors` option, but this is no longer necessary as the errors are
 *                    retrieved directly in Site Health and no longer used outside of Site Health.
 * @access private
 */
function wp_update_https_detection_errors() {
	_deprecated_function( __FUNCTION__, '6.4.0' );

/**
	 * Short-circuits the process of detecting errors related to HTTPS support.
	 *
	 * Returning a `WP_Error` from the filter will effectively short-circuit the default logic of trying a remote
	 * request to the site over HTTPS, storing the errors array from the returned `WP_Error` instead.
	 *
	 * @since 5.7.0
	 * @deprecated 6.4.0 The `wp_update_https_detection_errors` filter is no longer used and has been replaced by `pre_wp_get_https_detection_errors`.
	 *
	 * @param null|WP_Error $pre Error object to short-circuit detection,
	 *                           or null to continue with the default behavior.
	 */
	$support_errors = apply_filters( 'pre_wp_update_https_detection_errors', null );
	if ( is_wp_error( $support_errors ) ) {
		update_option( 'https_detection_errors', $support_errors->errors, false );
		return;
	}

$support_errors = wp_get_https_detection_errors();

update_option( 'https_detection_errors', $support_errors );
}

/**
 * Adds `decoding` attribute to an `img` HTML tag.
 *
 * The `decoding` attribute allows developers to indicate whether the
 * browser can decode the image off the main thread (`async`), on the
 * main thread (`sync`) or as determined by the browser (`auto`).
 *
 * By default WordPress adds `decoding="async"` to images but developers
 * can use the {@see 'wp_img_tag_add_decoding_attr'} filter to modify this
 * to remove the attribute or set it to another accepted value.
 *
 * @since 6.1.0
 * @deprecated 6.4.0 Use wp_img_tag_add_loading_optimization_attrs() instead.
 * @see wp_img_tag_add_loading_optimization_attrs()
 *
 * @param string $image   The HTML `img` tag where the attribute should be added.
 * @param string $context Additional context to pass to the filters.
 * @return string Converted `img` tag with `decoding` attribute added.
 */
function wp_img_tag_add_decoding_attr( $image, $context ) {
	_deprecated_function( __FUNCTION__, '6.4.0', 'wp_img_tag_add_loading_optimization_attrs()' );

/*
	 * Only apply the decoding attribute to images that have a src attribute that
	 * starts with a double quote, ensuring escaped JSON is also excluded.
	 */
	if ( ! str_contains( $image, ' src="' ) ) {
		return $image;
	}

/** This action is documented in wp-includes/media.php */
	$value = apply_filters( 'wp_img_tag_add_decoding_attr', 'async', $image, $context );

if ( in_array( $value, array( 'async', 'sync', 'auto' ), true ) ) {
		$image = str_replace( '<img ', '<img decoding="' . esc_attr( $value ) . '" ', $image );
	}

return $image;
}

/**
 * Parses wp_template content and injects the active theme's
 * stylesheet as a theme attribute into each wp_template_part
 *
 * @since 5.9.0
 * @deprecated 6.4.0 Use traverse_and_serialize_blocks( parse_blocks( $template_content ), '_inject_theme_attribute_in_template_part_block' ) instead.
 * @access private
 *
 * @param string $template_content serialized wp_template content.
 * @return string Updated 'wp_template' content.
 */
function _inject_theme_attribute_in_block_template_content( $template_content ) {
	_deprecated_function(
		__FUNCTION__,
		'6.4.0',
		'traverse_and_serialize_blocks( parse_blocks( $template_content ), "_inject_theme_attribute_in_template_part_block" )'
	);

$has_updated_content = false;
	$new_content         = '';
	$template_blocks     = parse_blocks( $template_content );

$blocks = _flatten_blocks( $template_blocks );
	foreach ( $blocks as &$block ) {
		if (
			'core/template-part' === $block['blockName'] &&
			! isset( $block['attrs']['theme'] )
		) {
			$block['attrs']['theme'] = get_stylesheet();
			$has_updated_content     = true;
		}
	}

if ( $has_updated_content ) {
		foreach ( $template_blocks as &$block ) {
			$new_content .= serialize_block( $block );
		}

return $new_content;
	}

return $template_content;
}

/**
 * Parses a block template and removes the theme attribute from each template part.
 *
 * @since 5.9.0
 * @deprecated 6.4.0 Use traverse_and_serialize_blocks( parse_blocks( $template_content ), '_remove_theme_attribute_from_template_part_block' ) instead.
 * @access private
 *
 * @param string $template_content Serialized block template content.
 * @return string Updated block template content.
 */
function _remove_theme_attribute_in_block_template_content( $template_content ) {
	_deprecated_function(
		__FUNCTION__,
		'6.4.0',
		'traverse_and_serialize_blocks( parse_blocks( $template_content ), "_remove_theme_attribute_from_template_part_block" )'
	);

$has_updated_content = false;
	$new_content         = '';
	$template_blocks     = parse_blocks( $template_content );

$blocks = _flatten_blocks( $template_blocks );
	foreach ( $blocks as $key => $block ) {
		if ( 'core/template-part' === $block['blockName'] && isset( $block['attrs']['theme'] ) ) {
			unset( $blocks[ $key ]['attrs']['theme'] );
			$has_updated_content = true;
		}
	}

if ( ! $has_updated_content ) {
		return $template_content;
	}

foreach ( $template_blocks as $block ) {
		$new_content .= serialize_block( $block );
	}

return $new_content;
}

/**
 * Prints the skip-link script & styles.
 *
 * @since 5.8.0
 * @access private
 * @deprecated 6.4.0 Use wp_enqueue_block_template_skip_link() instead.
 *
 * @global string $_wp_current_template_content
 */
function the_block_template_skip_link() {
	_deprecated_function( __FUNCTION__, '6.4.0', 'wp_enqueue_block_template_skip_link()' );

global $_wp_current_template_content;

// Early exit if not a block theme.
	if ( ! current_theme_supports( 'block-templates' ) ) {
		return;
	}

// Early exit if not a block template.
	if ( ! $_wp_current_template_content ) {
		return;
	}
	?>

<?php
	/**
	 * Print the skip-link styles.
	 */
	?>
	<style id="skip-link-styles">
		.skip-link.screen-reader-text {
			border: 0;
			clip-path: inset(50%);
			height: 1px;
			margin: -1px;
			overflow: hidden;
			padding: 0;
			position: absolute !important;
			width: 1px;
			word-wrap: normal !important;
		}

.skip-link.screen-reader-text:focus {
			background-color: #eee;
			clip-path: none;
			color: #444;
			display: block;
			font-size: 1em;
			height: auto;
			left: 5px;
			line-height: normal;
			padding: 15px 23px 14px;
			text-decoration: none;
			top: 5px;
			width: auto;
			z-index: 100000;
		}
	</style>
	<?php
	/**
	 * Print the skip-link script.
	 */
	?>
	<script>
	( function() {
		var skipLinkTarget = document.querySelector( 'main' ),
			sibling,
			skipLinkTargetID,
			skipLink;

// Early exit if a skip-link target can't be located.
		if ( ! skipLinkTarget ) {
			return;
		}

/*
		 * Get the site wrapper.
		 * The skip-link will be injected in the beginning of it.
		 */
		sibling = document.querySelector( '.wp-site-blocks' );

// Early exit if the root element was not found.
		if ( ! sibling ) {
			return;
		}

// Get the skip-link target's ID, and generate one if it doesn't exist.
		skipLinkTargetID = skipLinkTarget.id;
		if ( ! skipLinkTargetID ) {
			skipLinkTargetID = 'wp--skip-link--target';
			skipLinkTarget.id = skipLinkTargetID;
		}

// Create the skip link.
		skipLink = document.createElement( 'a' );
		skipLink.classList.add( 'skip-link', 'screen-reader-text' );
		skipLink.href = '#' + skipLinkTargetID;
		skipLink.innerHTML = '<?php /* translators: Hidden accessibility text. */ esc_html_e( 'Skip to content' ); ?>';

// Inject the skip link.
		sibling.parentElement.insertBefore( skipLink, sibling );
	}() );
	</script>
	<?php
}

/**
 * Ensure that the view script has the `wp-interactivity` dependency.
 *
 * @since 6.4.0
 * @deprecated 6.5.0
 */
function block_core_query_ensure_interactivity_dependency() {
	_deprecated_function( __FUNCTION__, '6.5.0', 'wp_register_script_module' );
}

/**
 * Ensure that the view script has the `wp-interactivity` dependency.
 *
 * @since 6.4.0
 * @deprecated 6.5.0
 */
function block_core_file_ensure_interactivity_dependency() {
	_deprecated_function( __FUNCTION__, '6.5.0', 'wp_register_script_module' );
}

/**
 * Ensures that the view script has the `wp-interactivity` dependency.
 *
 * @since 6.4.0
 * @deprecated 6.5.0
 */
function block_core_image_ensure_interactivity_dependency() {
	_deprecated_function( __FUNCTION__, '6.5.0', 'wp_register_script_module' );
}

/**
 * Updates the block content with elements class names.
 *
 * @deprecated 6.6.0 Generation of element class name is handled via `render_block_data` filter.
 *
 * @since 5.8.0
 * @since 6.4.0 Added support for button and heading element styling.
 * @access private
 *
 * @param string $block_content Rendered block content.
 * @param array  $block         Block object.
 * @return string Filtered block content.
 */
function wp_render_elements_support( $block_content, $block ) {
	_deprecated_function( __FUNCTION__, '6.6.0', 'wp_render_elements_class_name' );
	return $block_content;
}

/**
 * Processes the directives on the rendered HTML of the interactive blocks.
 *
 * This processes only one root interactive block at a time because the
 * rendered HTML of that block contains the rendered HTML of all its inner
 * blocks, including any interactive block. It does so by ignoring all the
 * interactive inner blocks until the root interactive block is processed.
 *
 * @since 6.5.0
 * @deprecated 6.6.0
 *
 * @param array $parsed_block The parsed block.
 * @return array The same parsed block.
 */
function wp_interactivity_process_directives_of_interactive_blocks( array $parsed_block ): array {
	_deprecated_function( __FUNCTION__, '6.6.0' );
	return $parsed_block;
}

/**
 * Gets the global styles custom CSS from theme.json.
 *
 * @since 6.2.0
 * @deprecated 6.7.0 Use {@see 'wp_get_global_stylesheet'} instead for top-level custom CSS, or {@see 'WP_Theme_JSON::get_styles_for_block'} for block-level custom CSS.
 *
 * @return string The global styles custom CSS.
 */
function wp_get_global_styles_custom_css() {
	_deprecated_function( __FUNCTION__, '6.7.0', 'wp_get_global_stylesheet' );
	if ( ! wp_theme_has_theme_json() ) {
		return '';
	}
	/*
	 * Ignore cache when the development mode is set to 'theme', so it doesn't interfere with the theme
	 * developer's workflow.
	 */
	$can_use_cached = ! wp_is_development_mode( 'theme' );

/*
	 * By using the 'theme_json' group, this data is marked to be non-persistent across requests.
	 * @see `wp_cache_add_non_persistent_groups()`.
	 *
	 * The rationale for this is to make sure derived data from theme.json
	 * is always fresh from the potential modifications done via hooks
	 * that can use dynamic data (modify the stylesheet depending on some option,
	 * settings depending on user permissions, etc.).
	 * See some of the existing hooks to modify theme.json behavior:
	 * @see https://make.wordpress.org/core/2022/10/10/filters-for-theme-json-data/
	 *
	 * A different alternative considered was to invalidate the cache upon certain
	 * events such as options add/update/delete, user meta, etc.
	 * It was judged not enough, hence this approach.
	 * @see https://github.com/WordPress/gutenberg/pull/45372
	 */
	$cache_key   = 'wp_get_global_styles_custom_css';
	$cache_group = 'theme_json';
	if ( $can_use_cached ) {
		$cached = wp_cache_get( $cache_key, $cache_group );
		if ( $cached ) {
			return $cached;
		}
	}

$tree       = WP_Theme_JSON_Resolver::get_merged_data();
	$stylesheet = $tree->get_custom_css();

if ( $can_use_cached ) {
		wp_cache_set( $cache_key, $stylesheet, $cache_group );
	}

return $stylesheet;
}

/**
 * Enqueues the global styles custom css defined via theme.json.
 *
 * @since 6.2.0
 * @deprecated 6.7.0 Use {@see 'wp_enqueue_global_styles'} instead.
 */
function wp_enqueue_global_styles_custom_css() {
	_deprecated_function( __FUNCTION__, '6.7.0', 'wp_enqueue_global_styles' );
	if ( ! wp_is_block_theme() ) {
		return;
	}

// Don't enqueue Customizer's custom CSS separately.
	remove_action( 'wp_head', 'wp_custom_css_cb', 101 );

$custom_css  = wp_get_custom_css();
	$custom_css .= wp_get_global_styles_custom_css();

if ( ! empty( $custom_css ) ) {
		wp_add_inline_style( 'global-styles', $custom_css );
	}
}

/**
 * Generate block style variation instance name.
 *
 * @since 6.6.0
 * @deprecated 6.7.0 Use `wp_unique_id( $variation . '--' )` instead.
 *
 * @access private
 *
 * @param array  $block     Block object.
 * @param string $variation Slug for the block style variation.
 *
 * @return string The unique variation name.
 */
function wp_create_block_style_variation_instance_name( $block, $variation ) {
	_deprecated_function( __FUNCTION__, '6.7.0', 'wp_unique_id' );
	return $variation . '--' . md5( serialize( $block ) );
}

/**
 * Returns whether the current user has the specified capability for a given site.
 *
 * @since 3.0.0
 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter
 *              by adding it to the function signature.
 * @since 5.8.0 Wraps current_user_can() after switching to blog.
 * @deprecated 6.7.0 Use current_user_can_for_site() instead.
 *
 * @param int    $blog_id    Site ID.
 * @param string $capability Capability name.
 * @param mixed  ...$args    Optional further parameters, typically starting with an object ID.
 * @return bool Whether the user has the given capability.
 */
function current_user_can_for_blog( $blog_id, $capability, ...$args ) {
	return current_user_can_for_site( $blog_id, $capability, ...$args );
}

/**
 * Loads classic theme styles on classic themes in the editor.
 *
 * This is used for backwards compatibility for Button and File blocks specifically.
 *
 * @since 6.1.0
 * @since 6.2.0 Added File block styles.
 * @deprecated 6.8.0 Styles are enqueued, not printed in the body element.
 *
 * @param array $editor_settings The array of editor settings.
 * @return array A filtered array of editor settings.
 */
function wp_add_editor_classic_theme_styles( $editor_settings ) {
	_deprecated_function( __FUNCTION__, '6.8.0', 'wp_enqueue_classic_theme_styles' );

if ( wp_theme_has_theme_json() ) {
		return $editor_settings;
	}

$suffix               = wp_scripts_get_suffix();
	$classic_theme_styles = ABSPATH . WPINC . "/css/classic-themes$suffix.css";

/*
	 * This follows the pattern of get_block_editor_theme_styles,
	 * but we can't use get_block_editor_theme_styles directly as it
	 * only handles external files or theme files.
	 */
	$classic_theme_styles_settings = array(
		'css'            => file_get_contents( $classic_theme_styles ),
		'__unstableType' => 'core',
		'isGlobalStyles' => false,
	);

// Add these settings to the start of the array so that themes can override them.
	array_unshift( $editor_settings['styles'], $classic_theme_styles_settings );

return $editor_settings;
}

/**
 * Prints a CSS rule to fix potential visual issues with images using `sizes=auto`.
 *
 * This rule overrides the similar rule in the default user agent stylesheet, to avoid images that use e.g.
 * `width: auto` or `width: fit-content` to appear smaller.
 *
 * @since 6.7.1
 * @deprecated 6.9.0 Use wp_enqueue_img_auto_sizes_contain_css_fix() instead.
 * @see wp_enqueue_img_auto_sizes_contain_css_fix()
 *
 * @see https://html.spec.whatwg.org/multipage/rendering.html#img-contain-size
 * @see https://core.trac.wordpress.org/ticket/62413
 * @see https://core.trac.wordpress.org/ticket/62731
 */
function wp_print_auto_sizes_contain_css_fix() {
	_deprecated_function( __FUNCTION__, '6.9.0', 'wp_enqueue_img_auto_sizes_contain_css_fix' );

/** This filter is documented in wp-includes/media.php */
	$add_auto_sizes = apply_filters( 'wp_img_tag_add_auto_sizes', true );
	if ( ! $add_auto_sizes ) {
		return;
	}

?>
	<style>img:is([sizes="auto" i], [sizes^="auto," i]) { contain-intrinsic-size: 3000px 1500px }</style>
	<?php
}

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May 26, 2026 by Jason Miller

Wer auf Begriffen wie gleichfalls �Erreichbar Spielbank Land der dichter und denker� suchtverhalten, meint haufig genau unser legalen Gangbar-Spielotheken via kraut Lizenz, diese uber folgende … Read more

Diese hessische Landesregierung pruft zur zeit aktiv, hinsichtlich oder aktiv wen Lizenzen ausgegeben werden im griff haben

May 26, 2026 by Jason Miller

Diese man sagt, sie seien beilaufig viele Elemente weiters Vorsichtsma?nahmen finden, ebendiese nachfolgende Casinos greifen, damit zwanghaftes Zum besten geben zu zerrutten. Im zuge dessen … Read more