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/**
 * WordPress Query API
 *
 * The query API attempts to get which part of WordPress the user is on. It
 * also provides functionality for getting URL query information.
 *
 * @link https://developer.wordpress.org/themes/basics/the-loop/ More information on The Loop.
 *
 * @package WordPress
 * @subpackage Query
 */

/**
 * Retrieves the value of a query variable in the WP_Query class.
 *
 * @since 1.5.0
 * @since 3.9.0 The `$default_value` argument was introduced.
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string $query_var     The variable key to retrieve.
 * @param mixed  $default_value Optional. Value to return if the query variable is not set.
 *                              Default empty string.
 * @return mixed Contents of the query variable.
 */
function get_query_var( $query_var, $default_value = '' ) {
	global $wp_query;
	return $wp_query->get( $query_var, $default_value );
}

/**
 * Retrieves the currently queried object.
 *
 * Wrapper for WP_Query::get_queried_object().
 *
 * @since 3.1.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return WP_Term|WP_Post_Type|WP_Post|WP_User|null The queried object.
 */
function get_queried_object() {
	global $wp_query;
	return $wp_query->get_queried_object();
}

/**
 * Retrieves the ID of the currently queried object.
 *
 * Wrapper for WP_Query::get_queried_object_id().
 *
 * @since 3.1.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return int ID of the queried object.
 */
function get_queried_object_id() {
	global $wp_query;
	return $wp_query->get_queried_object_id();
}

/**
 * Sets the value of a query variable in the WP_Query class.
 *
 * @since 2.2.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string $query_var Query variable key.
 * @param mixed  $value     Query variable value.
 */
function set_query_var( $query_var, $value ) {
	global $wp_query;
	$wp_query->set( $query_var, $value );
}

/**
 * Sets up The Loop with query parameters.
 *
 * Note: This function will completely override the main query and isn't intended for use
 * by plugins or themes. Its overly-simplistic approach to modifying the main query can be
 * problematic and should be avoided wherever possible. In most cases, there are better,
 * more performant options for modifying the main query such as via the {@see 'pre_get_posts'}
 * action within WP_Query.
 *
 * This must not be used within the WordPress Loop.
 *
 * @since 1.5.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param array|string $query Array or string of WP_Query arguments.
 * @return WP_Post[]|int[] Array of post objects or post IDs.
 */
function query_posts( $query ) {
	$GLOBALS['wp_query'] = new WP_Query();
	return $GLOBALS['wp_query']->query( $query );
}

/**
 * Destroys the previous query and sets up a new query.
 *
 * This should be used after query_posts() and before another query_posts().
 * This will remove obscure bugs that occur when the previous WP_Query object
 * is not destroyed properly before another is set up.
 *
 * @since 2.3.0
 *
 * @global WP_Query $wp_query     WordPress Query object.
 * @global WP_Query $wp_the_query Copy of the global WP_Query instance created during wp_reset_query().
 */
function wp_reset_query() {
	$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];
	wp_reset_postdata();
}

/**
 * After looping through a separate query, this function restores
 * the $post global to the current post in the main query.
 *
 * @since 3.0.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 */
function wp_reset_postdata() {
	global $wp_query;

if ( isset( $wp_query ) ) {
		$wp_query->reset_postdata();
	}
}

/*
 * Query type checks.
 */

/**
 * Determines whether the query is for an existing archive page.
 *
 * Archive pages include category, tag, author, date, custom post type,
 * and custom taxonomy based archives.
 *
 * 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
 *
 * @see is_category()
 * @see is_tag()
 * @see is_author()
 * @see is_date()
 * @see is_post_type_archive()
 * @see is_tax()
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for an existing archive page.
 */
function is_archive() {
	global $wp_query;

if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
		return false;
	}

return $wp_query->is_archive();
}

/**
 * Determines whether the query is for an existing post type archive page.
 *
 * 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 3.1.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string|string[] $post_types Optional. Post type or array of posts types
 *                                    to check against. Default empty.
 * @return bool Whether the query is for an existing post type archive page.
 */
function is_post_type_archive( $post_types = '' ) {
	global $wp_query;

return $wp_query->is_post_type_archive( $post_types );
}

/**
 * Determines whether the query is for an existing attachment page.
 *
 * 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 2.0.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param int|string|int[]|string[] $attachment Optional. Attachment ID, title, slug, or array of such
 *                                              to check against. Default empty.
 * @return bool Whether the query is for an existing attachment page.
 */
function is_attachment( $attachment = '' ) {
	global $wp_query;

return $wp_query->is_attachment( $attachment );
}

/**
 * Determines whether the query is for an existing author archive page.
 *
 * If the $author parameter is specified, this function will additionally
 * check if the query is for one of the authors specified.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param int|string|int[]|string[] $author Optional. User ID, nickname, nicename, or array of such
 *                                          to check against. Default empty.
 * @return bool Whether the query is for an existing author archive page.
 */
function is_author( $author = '' ) {
	global $wp_query;

return $wp_query->is_author( $author );
}

/**
 * Determines whether the query is for an existing category archive page.
 *
 * If the $category parameter is specified, this function will additionally
 * check if the query is for one of the categories specified.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param int|string|int[]|string[] $category Optional. Category ID, name, slug, or array of such
 *                                            to check against. Default empty.
 * @return bool Whether the query is for an existing category archive page.
 */
function is_category( $category = '' ) {
	global $wp_query;

return $wp_query->is_category( $category );
}

/**
 * Determines whether the query is for an existing tag archive page.
 *
 * If the $tag parameter is specified, this function will additionally
 * check if the query is for one of the tags specified.
 *
 * 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 2.3.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param int|string|int[]|string[] $tag Optional. Tag ID, name, slug, or array of such
 *                                       to check against. Default empty.
 * @return bool Whether the query is for an existing tag archive page.
 */
function is_tag( $tag = '' ) {
	global $wp_query;

return $wp_query->is_tag( $tag );
}

/**
 * Determines whether the query is for an existing custom taxonomy archive page.
 *
 * If the $taxonomy parameter is specified, this function will additionally
 * check if the query is for that specific $taxonomy.
 *
 * If the $term parameter is specified in addition to the $taxonomy parameter,
 * this function will additionally check if the query is for one of the terms
 * specified.
 *
 * 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 2.5.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string|string[]           $taxonomy Optional. Taxonomy slug or slugs to check against.
 *                                            Default empty.
 * @param int|string|int[]|string[] $term     Optional. Term ID, name, slug, or array of such
 *                                            to check against. Default empty.
 * @return bool Whether the query is for an existing custom taxonomy archive page.
 *              True for custom taxonomy archive pages, false for built-in taxonomies
 *              (category and tag archives).
 */
function is_tax( $taxonomy = '', $term = '' ) {
	global $wp_query;

return $wp_query->is_tax( $taxonomy, $term );
}

/**
 * Determines whether the query is for an existing date archive.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for an existing date archive.
 */
function is_date() {
	global $wp_query;

return $wp_query->is_date();
}

/**
 * Determines whether the query is for an existing day archive.
 *
 * A conditional check to test whether the page is a date-based archive page displaying posts for the current day.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for an existing day archive.
 */
function is_day() {
	global $wp_query;

return $wp_query->is_day();
}

/**
 * Determines whether the query is for a feed.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string|string[] $feeds Optional. Feed type or array of feed types
 *                                         to check against. Default empty.
 * @return bool Whether the query is for a feed.
 */
function is_feed( $feeds = '' ) {
	global $wp_query;

return $wp_query->is_feed( $feeds );
}

/**
 * Is the query for a comments feed?
 *
 * @since 3.0.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for a comments feed.
 */
function is_comment_feed() {
	global $wp_query;

return $wp_query->is_comment_feed();
}

/**
 * Determines whether the query is for the front page of the site.
 *
 * This is for what is displayed at your site's main URL.
 *
 * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
 *
 * If you set a static page for the front page of your site, this function will return
 * true when viewing that page.
 *
 * Otherwise the same as {@see is_home()}.
 *
 * 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 2.5.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for the front page of the site.
 */
function is_front_page() {
	global $wp_query;

return $wp_query->is_front_page();
}

/**
 * Determines whether the query is for the blog homepage.
 *
 * The blog homepage is the page that shows the time-based blog content of the site.
 *
 * is_home() is dependent on the site's "Front page displays" Reading Settings 'show_on_front'
 * and 'page_for_posts'.
 *
 * If a static page is set for the front page of the site, this function will return true only
 * on the page you set as the "Posts page".
 *
 * 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
 *
 * @see is_front_page()
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for the blog homepage.
 */
function is_home() {
	global $wp_query;

return $wp_query->is_home();
}

/**
 * Determines whether the query is for the Privacy Policy page.
 *
 * The Privacy Policy page is the page that shows the Privacy Policy content of the site.
 *
 * is_privacy_policy() is dependent on the site's "Change your Privacy Policy page" Privacy Settings 'wp_page_for_privacy_policy'.
 *
 * This function will return true only on the page you set as the "Privacy Policy page".
 *
 * 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 5.2.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for the Privacy Policy page.
 */
function is_privacy_policy() {
	global $wp_query;

return $wp_query->is_privacy_policy();
}

/**
 * Determines whether the query is for an existing month archive.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for an existing month archive.
 */
function is_month() {
	global $wp_query;

return $wp_query->is_month();
}

/**
 * Determines whether the query is for an existing single page.
 *
 * If the $page parameter is specified, this function will additionally
 * check if the query is for one of the pages specified.
 *
 * 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
 *
 * @see is_single()
 * @see is_singular()
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param int|string|int[]|string[] $page Optional. Page ID, title, slug, or array of such
 *                                        to check against. Default empty.
 * @return bool Whether the query is for an existing single page.
 */
function is_page( $page = '' ) {
	global $wp_query;

return $wp_query->is_page( $page );
}

/**
 * Determines whether the query is for a paged result and not for the first page.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for a paged result.
 */
function is_paged() {
	global $wp_query;

return $wp_query->is_paged();
}

/**
 * Determines whether the query is for a post or page preview.
 *
 * 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 2.0.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for a post or page preview.
 */
function is_preview() {
	global $wp_query;

return $wp_query->is_preview();
}

/**
 * Is the query for the robots.txt file?
 *
 * @since 2.1.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for the robots.txt file.
 */
function is_robots() {
	global $wp_query;

return $wp_query->is_robots();
}

/**
 * Is the query for the favicon.ico file?
 *
 * @since 5.4.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for the favicon.ico file.
 */
function is_favicon() {
	global $wp_query;

return $wp_query->is_favicon();
}

/**
 * Determines whether the query is for a search.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for a search.
 */
function is_search() {
	global $wp_query;

return $wp_query->is_search();
}

/**
 * Determines whether the query is for an existing single post.
 *
 * Works for any post type, except attachments and pages
 *
 * If the $post parameter is specified, this function will additionally
 * check if the query is for one of the Posts specified.
 *
 * 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
 *
 * @see is_page()
 * @see is_singular()
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param int|string|int[]|string[] $post Optional. Post ID, title, slug, or array of such
 *                                        to check against. Default empty.
 * @return bool Whether the query is for an existing single post.
 */
function is_single( $post = '' ) {
	global $wp_query;

return $wp_query->is_single( $post );
}

/**
 * Determines whether the query is for an existing single post of any post type
 * (post, attachment, page, custom post types).
 *
 * If the $post_types parameter is specified, this function will additionally
 * check if the query is for one of the Posts Types specified.
 *
 * 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
 *
 * @see is_page()
 * @see is_single()
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param string|string[] $post_types Optional. Post type or array of post types
 *                                    to check against. Default empty.
 * @return bool Whether the query is for an existing single post
 *              or any of the given post types.
 */
function is_singular( $post_types = '' ) {
	global $wp_query;

return $wp_query->is_singular( $post_types );
}

/**
 * Determines whether the query is for a specific time.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for a specific time.
 */
function is_time() {
	global $wp_query;

return $wp_query->is_time();
}

/**
 * Determines whether the query is for a trackback endpoint call.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for a trackback endpoint call.
 */
function is_trackback() {
	global $wp_query;

return $wp_query->is_trackback();
}

/**
 * Determines whether the query is for an existing year archive.
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for an existing year archive.
 */
function is_year() {
	global $wp_query;

return $wp_query->is_year();
}

/**
 * Determines whether the query has resulted in a 404 (returns no results).
 *
 * 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
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is a 404 error.
 */
function is_404() {
	global $wp_query;

return $wp_query->is_404();
}

/**
 * Is the query for an embedded post?
 *
 * @since 4.4.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is for an embedded post.
 */
function is_embed() {
	global $wp_query;

return $wp_query->is_embed();
}

/**
 * Determines whether the query is the main query.
 *
 * 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 3.3.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool Whether the query is the main query.
 */
function is_main_query() {
	global $wp_query;

if ( ! isset( $wp_query ) ) {
		_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '6.1.0' );
		return false;
	}

if ( 'pre_get_posts' === current_filter() ) {
		_doing_it_wrong(
			__FUNCTION__,
			sprintf(
				/* translators: 1: pre_get_posts, 2: WP_Query->is_main_query(), 3: is_main_query(), 4: Documentation URL. */
				__( 'In %1$s, use the %2$s method, not the %3$s function. See %4$s.' ),
				'<code>pre_get_posts</code>',
				'<code>WP_Query->is_main_query()</code>',
				'<code>is_main_query()</code>',
				__( 'https://developer.wordpress.org/reference/functions/is_main_query/' )
			),
			'3.7.0'
		);
	}

return $wp_query->is_main_query();
}

/*
 * The Loop. Post loop control.
 */

/**
 * Determines whether current WordPress query has posts to loop over.
 *
 * @since 1.5.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool True if posts are available, false if end of the loop.
 */
function have_posts() {
	global $wp_query;

if ( ! isset( $wp_query ) ) {
		return false;
	}

return $wp_query->have_posts();
}

/**
 * Determines whether the caller is in the Loop.
 *
 * 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 2.0.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool True if caller is within loop, false if loop hasn't started or ended.
 */
function in_the_loop() {
	global $wp_query;

if ( ! isset( $wp_query ) ) {
		return false;
	}

return $wp_query->in_the_loop;
}

/**
 * Rewind the loop posts.
 *
 * @since 1.5.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 */
function rewind_posts() {
	global $wp_query;

if ( ! isset( $wp_query ) ) {
		return;
	}

$wp_query->rewind_posts();
}

/**
 * Iterate the post index in the loop.
 *
 * @since 1.5.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 */
function the_post() {
	global $wp_query;

if ( ! isset( $wp_query ) ) {
		return;
	}

$wp_query->the_post();
}

/*
 * Comments loop.
 */

/**
 * Determines whether current WordPress query has comments to loop over.
 *
 * @since 2.2.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @return bool True if comments are available, false if no more comments.
 */
function have_comments() {
	global $wp_query;

if ( ! isset( $wp_query ) ) {
		return false;
	}

return $wp_query->have_comments();
}

/**
 * Iterate comment index in the comment loop.
 *
 * @since 2.2.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 */
function the_comment() {
	global $wp_query;

if ( ! isset( $wp_query ) ) {
		return;
	}

$wp_query->the_comment();
}

/**
 * Redirect old slugs to the correct permalink.
 *
 * Attempts to find the current slug from the past slugs.
 *
 * @since 2.1.0
 */
function wp_old_slug_redirect() {
	if ( is_404() && '' !== get_query_var( 'name' ) ) {
		// Guess the current post type based on the query vars.
		if ( get_query_var( 'post_type' ) ) {
			$post_type = get_query_var( 'post_type' );
		} elseif ( get_query_var( 'attachment' ) ) {
			$post_type = 'attachment';
		} elseif ( get_query_var( 'pagename' ) ) {
			$post_type = 'page';
		} else {
			$post_type = 'post';
		}

if ( is_array( $post_type ) ) {
			if ( count( $post_type ) > 1 ) {
				return;
			}
			$post_type = reset( $post_type );
		}

// Do not attempt redirect for hierarchical post types.
		if ( is_post_type_hierarchical( $post_type ) ) {
			return;
		}

$id = _find_post_by_old_slug( $post_type );

if ( ! $id ) {
			$id = _find_post_by_old_date( $post_type );
		}

/**
		 * Filters the old slug redirect post ID.
		 *
		 * @since 4.9.3
		 *
		 * @param int $id The redirect post ID.
		 */
		$id = apply_filters( 'old_slug_redirect_post_id', $id );

if ( ! $id ) {
			return;
		}

$link = get_permalink( $id );

if ( get_query_var( 'paged' ) > 1 ) {
			$link = user_trailingslashit( trailingslashit( $link ) . 'page/' . get_query_var( 'paged' ) );
		} elseif ( is_embed() ) {
			$link = user_trailingslashit( trailingslashit( $link ) . 'embed' );
		}

/**
		 * Filters the old slug redirect URL.
		 *
		 * @since 4.4.0
		 *
		 * @param string $link The redirect URL.
		 */
		$link = apply_filters( 'old_slug_redirect_url', $link );

if ( ! $link ) {
			return;
		}

wp_redirect( $link, 301 ); // Permanent redirect.
		exit;
	}
}

/**
 * Find the post ID for redirecting an old slug.
 *
 * @since 4.9.3
 * @access private
 *
 * @see wp_old_slug_redirect()
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $post_type The current post type based on the query vars.
 * @return int The Post ID.
 */
function _find_post_by_old_slug( $post_type ) {
	global $wpdb;

$query = $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, get_query_var( 'name' ) );

/*
	 * If year, monthnum, or day have been specified, make our query more precise
	 * just in case there are multiple identical _wp_old_slug values.
	 */
	if ( get_query_var( 'year' ) ) {
		$query .= $wpdb->prepare( ' AND YEAR(post_date) = %d', get_query_var( 'year' ) );
	}
	if ( get_query_var( 'monthnum' ) ) {
		$query .= $wpdb->prepare( ' AND MONTH(post_date) = %d', get_query_var( 'monthnum' ) );
	}
	if ( get_query_var( 'day' ) ) {
		$query .= $wpdb->prepare( ' AND DAYOFMONTH(post_date) = %d', get_query_var( 'day' ) );
	}

$key          = md5( $query );
	$last_changed = wp_cache_get_last_changed( 'posts' );
	$cache_key    = "find_post_by_old_slug:$key";
	$cache        = wp_cache_get_salted( $cache_key, 'post-queries', $last_changed );
	if ( false !== $cache ) {
		$id = $cache;
	} else {
		$id = (int) $wpdb->get_var( $query );
		wp_cache_set_salted( $cache_key, $id, 'post-queries', $last_changed );
	}

return $id;
}

/**
 * Find the post ID for redirecting an old date.
 *
 * @since 4.9.3
 * @access private
 *
 * @see wp_old_slug_redirect()
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $post_type The current post type based on the query vars.
 * @return int The Post ID.
 */
function _find_post_by_old_date( $post_type ) {
	global $wpdb;

$date_query = '';
	if ( get_query_var( 'year' ) ) {
		$date_query .= $wpdb->prepare( ' AND YEAR(pm_date.meta_value) = %d', get_query_var( 'year' ) );
	}
	if ( get_query_var( 'monthnum' ) ) {
		$date_query .= $wpdb->prepare( ' AND MONTH(pm_date.meta_value) = %d', get_query_var( 'monthnum' ) );
	}
	if ( get_query_var( 'day' ) ) {
		$date_query .= $wpdb->prepare( ' AND DAYOFMONTH(pm_date.meta_value) = %d', get_query_var( 'day' ) );
	}

$id = 0;
	if ( $date_query ) {
		$query        = $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta AS pm_date, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_date' AND post_name = %s" . $date_query, $post_type, get_query_var( 'name' ) );
		$key          = md5( $query );
		$last_changed = wp_cache_get_last_changed( 'posts' );
		$cache_key    = "find_post_by_old_date:$key";
		$cache        = wp_cache_get_salted( $cache_key, 'post-queries', $last_changed );
		if ( false !== $cache ) {
			$id = $cache;
		} else {
			$id = (int) $wpdb->get_var( $query );
			if ( ! $id ) {
				// Check to see if an old slug matches the old date.
				$id = (int) $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->posts, $wpdb->postmeta AS pm_slug, $wpdb->postmeta AS pm_date WHERE ID = pm_slug.post_id AND ID = pm_date.post_id AND post_type = %s AND pm_slug.meta_key = '_wp_old_slug' AND pm_slug.meta_value = %s AND pm_date.meta_key = '_wp_old_date'" . $date_query, $post_type, get_query_var( 'name' ) ) );
			}
			wp_cache_set_salted( $cache_key, $id, 'post-queries', $last_changed );
		}
	}

return $id;
}

/**
 * Set up global post data.
 *
 * @since 1.5.0
 * @since 4.4.0 Added the ability to pass a post ID to `$post`.
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param WP_Post|object|int $post WP_Post instance or Post ID/object.
 * @return bool True when finished.
 */
function setup_postdata( $post ) {
	global $wp_query;

if ( ! empty( $wp_query ) && $wp_query instanceof WP_Query ) {
		return $wp_query->setup_postdata( $post );
	}

return false;
}

/**
 * Generates post data.
 *
 * @since 5.2.0
 *
 * @global WP_Query $wp_query WordPress Query object.
 *
 * @param WP_Post|object|int $post WP_Post instance or Post ID/object.
 * @return array|false Elements of post, or false on failure.
 */
function generate_postdata( $post ) {
	global $wp_query;

if ( ! empty( $wp_query ) && $wp_query instanceof WP_Query ) {
		return $wp_query->generate_postdata( $post );
	}

return false;
}
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/**
 * Server-side rendering of the `core/query` block.
 *
 * @package WordPress
 */

/**
 * Modifies the static `core/query` block on the server.
 *
 * @since 6.4.0
 *
 * @param array    $attributes Block attributes.
 * @param string   $content    Block default content.
 * @param WP_Block $block      The block instance.
 *
 * @return string Returns the modified output of the query block.
 */
function render_block_core_query( $attributes, $content, $block ) {
	$is_interactive = isset( $attributes['enhancedPagination'] )
		&& true === $attributes['enhancedPagination']
		&& isset( $attributes['queryId'] );

// Enqueue the script module and add the necessary directives if the block is
	// interactive.
	if ( $is_interactive ) {
		wp_enqueue_script_module( '@wordpress/block-library/query/view' );

$p = new WP_HTML_Tag_Processor( $content );
		if ( $p->next_tag() ) {
			// Add the necessary directives.
			$p->set_attribute( 'data-wp-interactive', 'core/query' );
			$p->set_attribute( 'data-wp-router-region', 'query-' . $attributes['queryId'] );
			$p->set_attribute( 'data-wp-context', '{}' );
			$p->set_attribute( 'data-wp-key', $attributes['queryId'] );
			$content = $p->get_updated_html();
		}
	}

// Add the styles to the block type if the block is interactive and remove
	// them if it's not.
	$style_asset = 'wp-block-query';
	if ( ! wp_style_is( $style_asset ) ) {
		$style_handles = $block->block_type->style_handles;
		// If the styles are not needed, and they are still in the `style_handles`, remove them.
		if ( ! $is_interactive && in_array( $style_asset, $style_handles, true ) ) {
			$block->block_type->style_handles = array_diff( $style_handles, array( $style_asset ) );
		}
		// If the styles are needed, but they were previously removed, add them again.
		if ( $is_interactive && ! in_array( $style_asset, $style_handles, true ) ) {
			$block->block_type->style_handles = array_merge( $style_handles, array( $style_asset ) );
		}
	}

return $content;
}

/**
 * Registers the `core/query` block on the server.
 *
 * @since 5.8.0
 */
function register_block_core_query() {
	register_block_type_from_metadata(
		__DIR__ . '/query',
		array(
			'render_callback' => 'render_block_core_query',
		)
	);
}
add_action( 'init', 'register_block_core_query' );

/**
 * Traverse the tree of blocks looking for any plugin block (i.e., a block from
 * an installed plugin) inside a Query block with the enhanced pagination
 * enabled. If at least one is found, the enhanced pagination is effectively
 * disabled to prevent any potential incompatibilities.
 *
 * @since 6.4.0
 *
 * @param array $parsed_block The block being rendered.
 * @return array Returns the parsed block, unmodified.
 */
function block_core_query_disable_enhanced_pagination( $parsed_block ) {
	static $enhanced_query_stack   = array();
	static $dirty_enhanced_queries = array();
	static $render_query_callback  = null;

$block_name              = $parsed_block['blockName'];
	$block_type              = WP_Block_Type_Registry::get_instance()->get_registered( $block_name );
	$has_enhanced_pagination = isset( $parsed_block['attrs']['enhancedPagination'] ) && true === $parsed_block['attrs']['enhancedPagination'] && isset( $parsed_block['attrs']['queryId'] );
	/*
	 * Client side navigation can be true in two states:
	 *  - supports.interactivity = true;
	 *  - supports.interactivity.clientNavigation = true;
	 */
	$supports_client_navigation = ( isset( $block_type->supports['interactivity']['clientNavigation'] ) && true === $block_type->supports['interactivity']['clientNavigation'] )
		|| ( isset( $block_type->supports['interactivity'] ) && true === $block_type->supports['interactivity'] );

if ( 'core/query' === $block_name && $has_enhanced_pagination ) {
		$enhanced_query_stack[] = $parsed_block['attrs']['queryId'];

if ( ! isset( $render_query_callback ) ) {
			/**
			 * Filter that disables the enhanced pagination feature during block
			 * rendering when a plugin block has been found inside. It does so
			 * by adding an attribute called `data-wp-navigation-disabled` which
			 * is later handled by the front-end logic.
			 *
			 * @param string   $content  The block content.
			 * @param array    $block    The full block, including name and attributes.
			 * @return string Returns the modified output of the query block.
			 */
			$render_query_callback = static function ( $content, $block ) use ( &$enhanced_query_stack, &$dirty_enhanced_queries, &$render_query_callback ) {
				$has_enhanced_pagination = isset( $block['attrs']['enhancedPagination'] ) && true === $block['attrs']['enhancedPagination'] && isset( $block['attrs']['queryId'] );

if ( ! $has_enhanced_pagination ) {
					return $content;
				}

if ( isset( $dirty_enhanced_queries[ $block['attrs']['queryId'] ] ) ) {
					// Disable navigation in the router store config.
					wp_interactivity_config( 'core/router', array( 'clientNavigationDisabled' => true ) );
					$dirty_enhanced_queries[ $block['attrs']['queryId'] ] = null;
				}

array_pop( $enhanced_query_stack );

if ( empty( $enhanced_query_stack ) ) {
					remove_filter( 'render_block_core/query', $render_query_callback );
					$render_query_callback = null;
				}

return $content;
			};

add_filter( 'render_block_core/query', $render_query_callback, 10, 2 );
		}
	} elseif (
		! empty( $enhanced_query_stack ) &&
		isset( $block_name ) &&
		( ! $supports_client_navigation )
	) {
		foreach ( $enhanced_query_stack as $query_id ) {
			$dirty_enhanced_queries[ $query_id ] = true;
		}
	}

return $parsed_block;
}

add_filter( 'render_block_data', 'block_core_query_disable_enhanced_pagination', 10, 1 );
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Sid Gifari From Gifari Industries - BD Cyber Security Team