Posts, Post Types: Use WP_Query internally in get_pages.
Convert `get_pages` to use `WP_Query` internally. Using WP_Query means that a lot of code has been removed however existing parameters supported by get_pages are transformed in to query arguments. The custom caching solution found in the old version of this function is replaced with the caching found in WP_Query (added in [53941]). This change adds consistency to the codebase, as improvements and changes to `WP_Query` will filter down to the `get_pages` function. Props mikeschinkel, spacedmonkey, nacin, scribu, filosofo, jane, garyc40, markoheijnen, grandslambert, kevinB, wlindley, dbernar1, atimmer, mdawaffe, helen, benjibee, johnbillion, peterwilsoncc, costdev, flixos90, joemcgill. Fixes #12821. Built from https://develop.svn.wordpress.org/trunk@55569 git-svn-id: http://core.svn.wordpress.org/trunk@55081 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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spacedmonkey
parent
90b5db421c
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7dde8c4440
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@ -5886,9 +5886,8 @@ function get_page_uri( $page = 0 ) {
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/**
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* Retrieves an array of pages (or hierarchical post type items).
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @since 1.5.0
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* @since 6.3.0 Use WP_Query internally.
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*
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* @param array|string $args {
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* Optional. Array or string of arguments to retrieve pages.
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@ -5928,8 +5927,6 @@ function get_page_uri( $page = 0 ) {
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* supported by the post type.
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*/
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function get_pages( $args = array() ) {
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global $wpdb;
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$defaults = array(
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'child_of' => 0,
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'sort_order' => 'ASC',
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@ -5978,50 +5975,35 @@ function get_pages( $args = array() ) {
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return false;
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}
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// $args can be whatever, only use the args defined in defaults to compute the key.
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$key = md5( serialize( wp_array_slice_assoc( $parsed_args, array_keys( $defaults ) ) ) );
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$last_changed = wp_cache_get_last_changed( 'posts' );
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$query_args = array(
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'orderby' => 'post_title',
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'order' => 'ASC',
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'post__not_in' => wp_parse_id_list( $exclude ),
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'meta_key' => $meta_key,
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'meta_value' => $meta_value,
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'posts_per_page' => -1,
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'offset' => $offset,
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'post_type' => $parsed_args['post_type'],
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'post_status' => $post_status,
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'update_post_term_cache' => false,
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'update_post_meta_cache' => false,
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'ignore_sticky_posts' => true,
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'no_found_rows' => true,
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);
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$cache_key = "get_pages:$key:$last_changed";
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$cache = wp_cache_get( $cache_key, 'post-queries' );
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if ( false !== $cache ) {
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_prime_post_caches( $cache, false, false );
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// Convert to WP_Post instances.
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$pages = array_map( 'get_post', $cache );
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/** This filter is documented in wp-includes/post.php */
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$pages = apply_filters( 'get_pages', $pages, $parsed_args );
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return $pages;
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}
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$inclusions = '';
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if ( ! empty( $parsed_args['include'] ) ) {
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$child_of = 0; // Ignore child_of, parent, exclude, meta_key, and meta_value params if using include.
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$parent = -1;
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$exclude = '';
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$meta_key = '';
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$meta_value = '';
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unset( $query_args['post__not_in'], $query_args['meta_key'], $query_args['meta_value'] );
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$hierarchical = false;
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$incpages = wp_parse_id_list( $parsed_args['include'] );
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if ( ! empty( $incpages ) ) {
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$inclusions = ' AND ID IN (' . implode( ',', $incpages ) . ')';
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}
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$query_args['post__in'] = wp_parse_id_list( $parsed_args['include'] );
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}
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$exclusions = '';
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if ( ! empty( $exclude ) ) {
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$expages = wp_parse_id_list( $exclude );
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if ( ! empty( $expages ) ) {
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$exclusions = ' AND ID NOT IN (' . implode( ',', $expages ) . ')';
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}
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}
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$author_query = '';
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if ( ! empty( $parsed_args['authors'] ) ) {
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$post_authors = wp_parse_list( $parsed_args['authors'] );
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if ( ! empty( $post_authors ) ) {
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$query_args['author__in'] = array();
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foreach ( $post_authors as $post_author ) {
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// Do we have an author id or an author login?
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if ( 0 == (int) $post_author ) {
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@ -6034,136 +6016,37 @@ function get_pages( $args = array() ) {
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}
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$post_author = $post_author->ID;
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}
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if ( '' === $author_query ) {
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$author_query = $wpdb->prepare( ' post_author = %d ', $post_author );
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} else {
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$author_query .= $wpdb->prepare( ' OR post_author = %d ', $post_author );
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$query_args['author__in'][] = $post_author;
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}
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}
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if ( '' !== $author_query ) {
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$author_query = " AND ($author_query)";
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}
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}
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}
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$join = '';
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$where = "$exclusions $inclusions ";
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if ( '' !== $meta_key || '' !== $meta_value ) {
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$join = " LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id )";
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// meta_key and meta_value might be slashed.
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$meta_key = wp_unslash( $meta_key );
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$meta_value = wp_unslash( $meta_value );
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if ( '' !== $meta_key ) {
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$where .= $wpdb->prepare( " AND $wpdb->postmeta.meta_key = %s", $meta_key );
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}
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if ( '' !== $meta_value ) {
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$where .= $wpdb->prepare( " AND $wpdb->postmeta.meta_value = %s", $meta_value );
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}
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}
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if ( is_array( $parent ) ) {
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$post_parent__in = implode( ',', array_map( 'absint', (array) $parent ) );
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$post_parent__in = array_map( 'absint', (array) $parent );
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if ( ! empty( $post_parent__in ) ) {
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$where .= " AND post_parent IN ($post_parent__in)";
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$query_args['post_parent__in'] = $post_parent__in;
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}
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} elseif ( $parent >= 0 ) {
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$where .= $wpdb->prepare( ' AND post_parent = %d ', $parent );
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$query_args['post_parent'] = $parent;
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}
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if ( 1 === count( $post_status ) ) {
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$where_post_type = $wpdb->prepare( 'post_type = %s AND post_status = %s', $parsed_args['post_type'], reset( $post_status ) );
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} else {
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$post_status = implode( "', '", $post_status );
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$where_post_type = $wpdb->prepare( "post_type = %s AND post_status IN ('$post_status')", $parsed_args['post_type'] );
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$orderby = wp_parse_list( $parsed_args['sort_column'] );
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$orderby = array_map( 'trim', $orderby );
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if ( $orderby ) {
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$query_args['orderby'] = array_fill_keys( $orderby, $parsed_args['sort_order'] );
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}
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$orderby_array = array();
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$allowed_keys = array(
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'author',
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'post_author',
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'date',
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'post_date',
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'title',
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'post_title',
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'name',
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'post_name',
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'modified',
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'post_modified',
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'modified_gmt',
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'post_modified_gmt',
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'menu_order',
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'parent',
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'post_parent',
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'ID',
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'rand',
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'comment_count',
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);
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foreach ( explode( ',', $parsed_args['sort_column'] ) as $orderby ) {
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$orderby = trim( $orderby );
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if ( ! in_array( $orderby, $allowed_keys, true ) ) {
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continue;
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$order = $parsed_args['sort_order'];
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if ( $order ) {
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$query_args['order'] = $order;
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}
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switch ( $orderby ) {
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case 'menu_order':
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break;
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case 'ID':
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$orderby = "$wpdb->posts.ID";
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break;
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case 'rand':
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$orderby = 'RAND()';
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break;
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case 'comment_count':
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$orderby = "$wpdb->posts.comment_count";
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break;
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default:
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if ( 0 === strpos( $orderby, 'post_' ) ) {
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$orderby = "$wpdb->posts." . $orderby;
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} else {
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$orderby = "$wpdb->posts.post_" . $orderby;
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}
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}
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$orderby_array[] = $orderby;
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}
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$sort_column = ! empty( $orderby_array ) ? implode( ',', $orderby_array ) : "$wpdb->posts.post_title";
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$sort_order = strtoupper( $parsed_args['sort_order'] );
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if ( '' !== $sort_order && ! in_array( $sort_order, array( 'ASC', 'DESC' ), true ) ) {
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$sort_order = 'ASC';
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}
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$query = "SELECT * FROM $wpdb->posts $join WHERE ($where_post_type) $where ";
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$query .= $author_query;
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$query .= ' ORDER BY ' . $sort_column . ' ' . $sort_order;
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if ( ! empty( $number ) ) {
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$query .= ' LIMIT ' . $offset . ',' . $number;
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$query_args['posts_per_page'] = $number;
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}
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$pages = $wpdb->get_results( $query );
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if ( empty( $pages ) ) {
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wp_cache_set( $cache_key, array(), 'post-queries' );
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/** This filter is documented in wp-includes/post.php */
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$pages = apply_filters( 'get_pages', array(), $parsed_args );
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return $pages;
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}
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// Sanitize before caching so it'll only get done once.
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$num_pages = count( $pages );
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for ( $i = 0; $i < $num_pages; $i++ ) {
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$pages[ $i ] = sanitize_post( $pages[ $i ], 'raw' );
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}
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// Update cache.
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update_post_cache( $pages );
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$query = new WP_Query( $query_args );
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$pages = $query->get_posts();
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if ( $child_of || $hierarchical ) {
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$pages = get_page_children( $child_of, $pages );
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@ -6186,16 +6069,6 @@ function get_pages( $args = array() ) {
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}
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}
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$page_structure = array();
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foreach ( $pages as $page ) {
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$page_structure[] = $page->ID;
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}
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wp_cache_set( $cache_key, $page_structure, 'post-queries' );
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// Convert to WP_Post instances.
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$pages = array_map( 'get_post', $pages );
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/**
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* Filters the retrieved list of pages.
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*
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@ -16,7 +16,7 @@
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*
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* @global string $wp_version
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*/
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$wp_version = '6.3-alpha-55568';
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$wp_version = '6.3-alpha-55569';
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/**
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* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
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