}
/**
- * Set up The Loop with query parameters.
+ * Sets up The Loop with query parameters.
*
- * This will override the current WordPress Loop and shouldn't be used more than
- * once. This must not be used within the WordPress Loop.
+ * 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 Global WP_Query instance.
*
- * @param string $query
- * @return array List of posts
+ * @param array|string $query Array or string of WP_Query arguments.
+ * @return array List of post objects.
*/
function query_posts($query) {
$GLOBALS['wp_query'] = new WP_Query();
}
/**
- * Destroy the previous query and set up a new query.
+ * Destroys the previous query and sets up a new query.
*
- * This should be used after {@link query_posts()} and before another {@link
- * query_posts()}. This will remove obscure bugs that occur when the previous
- * wp_query object is not destroyed properly before another is set up.
+ * 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;
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
}
/**
- * Is the query for an existing taxonomy archive page?
+ * Is the query 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.
*
* @param string|array $taxonomy Optional. Taxonomy slug or slugs.
* @param int|string|array $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
- * @return bool
+ * @return bool True for custom taxonomy archive pages, false for built-in taxonomies (category and tag archives).
*/
function is_tax( $taxonomy = '', $term = '' ) {
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
}
/**
- * Is the query for the blog homepage?
- *
- * This is the page which shows the time based blog content of your site.
+ * Determines if the query is for the blog homepage.
*
- * Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
+ * The blog homepage is the page that shows the time-based blog content of the site.
*
- * If you set a static page for the front page of your site, this function will return
- * true only on the page you set as the "Posts page".
+ * is_home() is dependent on the site's "Front page displays" Reading Settings 'show_on_front'
+ * and 'page_for_posts'.
*
- * @see is_front_page()
+ * 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".
*
* @since 1.5.0
*
+ * @see is_front_page()
* @global WP_Query $wp_query Global WP_Query instance.
*
- * @return bool True if blog view homepage.
+ * @return bool True if blog view homepage, otherwise false.
*/
function is_home() {
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
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' );
+ _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;
}
'<code>is_main_query()</code>',
__( 'https://codex.wordpress.org/Function_Reference/is_main_query' )
);
- _doing_it_wrong( __FUNCTION__, $message, '3.7' );
+ _doing_it_wrong( __FUNCTION__, $message, '3.7.0' );
}
global $wp_query;
* @since 4.5.0 Removed the `$comments_popup` parameter.
* Introduced the `$comment_status` and `$ping_status` parameters.
* Introduced `RAND(x)` syntax for `$orderby`, which allows an integer seed value to random sorts.
+ * @since 4.6.0 Added 'post_name__in' support for `$orderby`. Introduced the `$lazy_load_term_meta` argument.
* @access public
*
* @param string|array $query {
* @type int $comments_per_page The number of comments to return per page.
* Default 'comments_per_page' option.
* @type array $date_query An associative array of WP_Date_Query arguments.
- * {@see WP_Date_Query::__construct()}
+ * See WP_Date_Query::__construct().
* @type int $day Day of the month. Default empty. Accepts numbers 1-31.
* @type bool $exact Whether to search by exact keyword. Default false.
* @type string|array $fields Which fields to return. Single field or all fields (string),
* numbers 1-12. Default empty.
* @type string $meta_compare Comparison operator to test the 'meta_value'.
* @type string $meta_key Custom field key.
- * @type array $meta_query An associative array of WP_Meta_Query arguments.
- * {@see WP_Meta_Query}
+ * @type array $meta_query An associative array of WP_Meta_Query arguments. See WP_Meta_Query.
* @type string $meta_value Custom field value.
* @type int $meta_value_num Custom field value number.
* @type int $menu_order The menu order of the posts.
* 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand',
* 'RAND(x)' (where 'x' is an integer seed value),
* 'comment_count', 'meta_value', 'meta_value_num', 'post__in',
- * and the array keys of `$meta_query`.
+ * 'post_name__in', 'post_parent__in', and the array keys
+ * of `$meta_query`.
* @type int $p Post ID.
* @type int $page Show the number of posts that would show up on page X of a
* static front page.
* @type array $tag_slug__in An array of tag slugs (OR in). unless 'ignore_sticky_posts' is
* true. Note: a string of comma-separated IDs will NOT work.
* @type array $tax_query An associative array of WP_Tax_Query arguments.
- * {@see WP_Tax_Query->queries}
+ * See WP_Tax_Query->queries.
* @type string $title Post title.
* @type bool $update_post_meta_cache Whether to update the post meta cache. Default true.
* @type bool $update_post_term_cache Whether to update the post term cache. Default true.
+ * @type bool $lazy_load_term_meta Whether to lazy-load term meta. Setting to false will
+ * disable cache priming for term meta, so that each
+ * get_term_meta() call will hit the database.
+ * Defaults to the value of `$update_post_term_cache`.
* @type int $w The week number of the year. Default empty. Accepts numbers 0-53.
* @type int $year The four-digit year. Default empty. Accepts any four-digit year.
* }
$qv['monthnum'] = absint($qv['monthnum']);
$qv['day'] = absint($qv['day']);
$qv['w'] = absint($qv['w']);
- $qv['m'] = preg_replace( '|[^0-9]|', '', $qv['m'] );
+ $qv['m'] = is_scalar( $qv['m'] ) ? preg_replace( '|[^0-9]|', '', $qv['m'] ) : '';
$qv['paged'] = absint($qv['paged']);
$qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers
$qv['author'] = preg_replace( '|[^0-9,-]|', '', $qv['author'] ); // comma separated list of positive or negative integers
}
/**
- * Filter stopwords used when parsing search terms.
+ * Filters stopwords used when parsing search terms.
*
* @since 3.7.0
*
$page = 1;
if ( isset( $q['caller_get_posts'] ) ) {
- _deprecated_argument( 'WP_Query', '3.1', __( '"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.' ) );
+ _deprecated_argument( 'WP_Query', '3.1.0', __( '"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.' ) );
if ( !isset( $q['ignore_sticky_posts'] ) )
$q['ignore_sticky_posts'] = $q['caller_get_posts'];
}
if ( !isset($q['update_post_term_cache']) )
$q['update_post_term_cache'] = true;
+ if ( ! isset( $q['lazy_load_term_meta'] ) ) {
+ $q['lazy_load_term_meta'] = $q['update_post_term_cache'];
+ }
+
if ( !isset($q['update_post_meta_cache']) )
$q['update_post_meta_cache'] = true;
$where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'";
} elseif ( is_array( $q['post_name__in'] ) && ! empty( $q['post_name__in'] ) ) {
$q['post_name__in'] = array_map( 'sanitize_title_for_query', $q['post_name__in'] );
- $where .= " AND $wpdb->posts.post_name IN ('" . implode( "' ,'", $q['post_name__in'] ) . "')";
+ $post_name__in = "'" . implode( "','", $q['post_name__in'] ) . "'";
+ $where .= " AND $wpdb->posts.post_name IN ($post_name__in)";
}
// If an attachment is requested by number, let it supersede any post number.
if ( ! $q['suppress_filters'] ) {
/**
- * Filter the search SQL that is used in the WHERE clause of WP_Query.
+ * Filters the search SQL that is used in the WHERE clause of WP_Query.
*
* @since 3.0.0
*
$orderby = "FIELD( {$wpdb->posts}.ID, $post__in )";
} elseif ( $q['orderby'] == 'post_parent__in' && ! empty( $post_parent__in ) ) {
$orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )";
+ } elseif ( $q['orderby'] == 'post_name__in' && ! empty( $post_name__in ) ) {
+ $orderby = "FIELD( {$wpdb->posts}.post_name, $post_name__in )";
} else {
$orderby_array = array();
if ( is_array( $q['orderby'] ) ) {
if ( ! $q['suppress_filters'] ) {
/**
- * Filter the ORDER BY used when ordering search results.
+ * Filters the ORDER BY used when ordering search results.
*
* @since 3.7.0
*
*/
if ( !$q['suppress_filters'] ) {
/**
- * Filter the WHERE clause of the query.
+ * Filters the WHERE clause of the query.
*
* @since 1.5.0
*
$where = apply_filters_ref_array( 'posts_where', array( $where, &$this ) );
/**
- * Filter the JOIN clause of the query.
+ * Filters the JOIN clause of the query.
*
* @since 1.5.0
*
if ( !$q['suppress_filters'] ) {
/**
- * Filter the JOIN clause of the comments feed query before sending.
+ * Filters the JOIN clause of the comments feed query before sending.
*
* @since 2.2.0
*
$cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) );
/**
- * Filter the WHERE clause of the comments feed query before sending.
+ * Filters the WHERE clause of the comments feed query before sending.
*
* @since 2.2.0
*
$cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) );
/**
- * Filter the GROUP BY clause of the comments feed query before sending.
+ * Filters the GROUP BY clause of the comments feed query before sending.
*
* @since 2.2.0
*
$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );
/**
- * Filter the ORDER BY clause of the comments feed query before sending.
+ * Filters the ORDER BY clause of the comments feed query before sending.
*
* @since 2.8.0
*
$corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
/**
- * Filter the LIMIT clause of the comments feed query before sending.
+ * Filters the LIMIT clause of the comments feed query before sending.
*
* @since 2.8.0
*
*/
if ( !$q['suppress_filters'] ) {
/**
- * Filter the WHERE clause of the query.
+ * Filters the WHERE clause of the query.
*
* Specifically for manipulating paging queries.
*
$where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
/**
- * Filter the GROUP BY clause of the query.
+ * Filters the GROUP BY clause of the query.
*
* @since 2.0.0
*
$groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
/**
- * Filter the JOIN clause of the query.
+ * Filters the JOIN clause of the query.
*
* Specifically for manipulating paging queries.
*
$join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
/**
- * Filter the ORDER BY clause of the query.
+ * Filters the ORDER BY clause of the query.
*
* @since 1.5.1
*
$orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
/**
- * Filter the DISTINCT clause of the query.
+ * Filters the DISTINCT clause of the query.
*
* @since 2.1.0
*
$distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
/**
- * Filter the LIMIT clause of the query.
+ * Filters the LIMIT clause of the query.
*
* @since 2.1.0
*
$limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
/**
- * Filter the SELECT clause of the query.
+ * Filters the SELECT clause of the query.
*
* @since 2.1.0
*
$fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
/**
- * Filter all query clauses at once, for convenience.
+ * Filters all query clauses at once, for convenience.
*
* Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
* fields (SELECT), and LIMITS clauses.
do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
/*
- * Filter again for the benefit of caching plugins.
+ * Filters again for the benefit of caching plugins.
* Regular plugins should use the hooks above.
*/
if ( !$q['suppress_filters'] ) {
/**
- * Filter the WHERE clause of the query.
+ * Filters the WHERE clause of the query.
*
* For use by caching plugins.
*
$where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
/**
- * Filter the GROUP BY clause of the query.
+ * Filters the GROUP BY clause of the query.
*
* For use by caching plugins.
*
$groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
/**
- * Filter the JOIN clause of the query.
+ * Filters the JOIN clause of the query.
*
* For use by caching plugins.
*
$join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
/**
- * Filter the ORDER BY clause of the query.
+ * Filters the ORDER BY clause of the query.
*
* For use by caching plugins.
*
$orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
/**
- * Filter the DISTINCT clause of the query.
+ * Filters the DISTINCT clause of the query.
*
* For use by caching plugins.
*
$distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
/**
- * Filter the SELECT clause of the query.
+ * Filters the SELECT clause of the query.
*
* For use by caching plugins.
*
$fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
/**
- * Filter the LIMIT clause of the query.
+ * Filters the LIMIT clause of the query.
*
* For use by caching plugins.
*
$limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
/**
- * Filter all query clauses at once, for convenience.
+ * Filters all query clauses at once, for convenience.
*
* For use by caching plugins.
*
if ( !$q['suppress_filters'] ) {
/**
- * Filter the completed SQL query before sending.
+ * Filters the completed SQL query before sending.
*
* @since 2.0.0
*
- * @param array $request The complete SQL query.
+ * @param string $request The complete SQL query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) );
}
+ /**
+ * Filters the posts array before the query takes place.
+ *
+ * Return a non-null value to bypass WordPress's default post queries.
+ *
+ * Filtering functions that require pagination information are encouraged to set
+ * the `found_posts` and `max_num_pages` properties of the WP_Query object,
+ * passed to the filter by reference. If WP_Query does not perform a database
+ * query, it will not have enough information to generate these values itself.
+ *
+ * @since 4.6.0
+ *
+ * @param array|null $posts Return an array of post data to short-circuit WP's query,
+ * or null to allow WP to run its normal queries.
+ * @param WP_Query $this The WP_Query instance, passed by reference.
+ */
+ $this->posts = apply_filters_ref_array( 'posts_pre_query', array( null, &$this ) );
+
if ( 'ids' == $q['fields'] ) {
- $this->posts = $wpdb->get_col( $this->request );
+ if ( null === $this->posts ) {
+ $this->posts = $wpdb->get_col( $this->request );
+ }
+
$this->posts = array_map( 'intval', $this->posts );
$this->post_count = count( $this->posts );
$this->set_found_posts( $q, $limits );
}
if ( 'id=>parent' == $q['fields'] ) {
- $this->posts = $wpdb->get_results( $this->request );
+ if ( null === $this->posts ) {
+ $this->posts = $wpdb->get_results( $this->request );
+ }
+
$this->post_count = count( $this->posts );
$this->set_found_posts( $q, $limits );
return $r;
}
- $split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
-
- /**
- * Filter whether to split the query.
- *
- * Splitting the query will cause it to fetch just the IDs of the found posts
- * (and then individually fetch each post by ID), rather than fetching every
- * complete row at once. One massive result vs. many small results.
- *
- * @since 3.4.0
- *
- * @param bool $split_the_query Whether or not to split the query.
- * @param WP_Query $this The WP_Query instance.
- */
- $split_the_query = apply_filters( 'split_the_query', $split_the_query, $this );
-
- if ( $split_the_query ) {
- // First get the IDs and then fill in the objects
-
- $this->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
+ if ( null === $this->posts ) {
+ $split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
/**
- * Filter the Post IDs SQL request before sending.
+ * Filters whether to split the query.
+ *
+ * Splitting the query will cause it to fetch just the IDs of the found posts
+ * (and then individually fetch each post by ID), rather than fetching every
+ * complete row at once. One massive result vs. many small results.
*
* @since 3.4.0
*
- * @param string $request The post ID request.
- * @param WP_Query $this The WP_Query instance.
+ * @param bool $split_the_query Whether or not to split the query.
+ * @param WP_Query $this The WP_Query instance.
*/
- $this->request = apply_filters( 'posts_request_ids', $this->request, $this );
+ $split_the_query = apply_filters( 'split_the_query', $split_the_query, $this );
- $ids = $wpdb->get_col( $this->request );
+ if ( $split_the_query ) {
+ // First get the IDs and then fill in the objects
- if ( $ids ) {
- $this->posts = $ids;
- $this->set_found_posts( $q, $limits );
- _prime_post_caches( $ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
+ $this->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
+
+ /**
+ * Filters the Post IDs SQL request before sending.
+ *
+ * @since 3.4.0
+ *
+ * @param string $request The post ID request.
+ * @param WP_Query $this The WP_Query instance.
+ */
+ $this->request = apply_filters( 'posts_request_ids', $this->request, $this );
+
+ $ids = $wpdb->get_col( $this->request );
+
+ if ( $ids ) {
+ $this->posts = $ids;
+ $this->set_found_posts( $q, $limits );
+ _prime_post_caches( $ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
+ } else {
+ $this->posts = array();
+ }
} else {
- $this->posts = array();
+ $this->posts = $wpdb->get_results( $this->request );
+ $this->set_found_posts( $q, $limits );
}
- } else {
- $this->posts = $wpdb->get_results( $this->request );
- $this->set_found_posts( $q, $limits );
}
- // Convert to WP_Post objects
- if ( $this->posts )
+ // Convert to WP_Post objects.
+ if ( $this->posts ) {
$this->posts = array_map( 'get_post', $this->posts );
+ }
if ( ! $q['suppress_filters'] ) {
/**
- * Filter the raw post results array, prior to status checks.
+ * Filters the raw post results array, prior to status checks.
*
* @since 2.3.0
*
if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) ) {
/**
- * Filter the single post for preview mode.
+ * Filters the single post for preview mode.
*
* @since 2.7.0
*
if ( ! $q['suppress_filters'] ) {
/**
- * Filter the array of retrieved posts after they've been fetched and
+ * Filters the array of retrieved posts after they've been fetched and
* internally processed.
*
* @since 1.5.0
$this->posts = array();
}
- if ( $q['update_post_term_cache'] ) {
+ if ( $q['lazy_load_term_meta'] ) {
wp_queue_posts_for_term_meta_lazyload( $this->posts );
}
if ( ! empty( $limits ) ) {
/**
- * Filter the query to run for retrieving the found posts.
+ * Filters the query to run for retrieving the found posts.
*
* @since 2.1.0
*
}
/**
- * Filter the number of found posts for the query.
+ * Filters the number of found posts for the query.
*
* @since 2.1.0
*
}
/**
- * Whether there are more posts available in the loop.
+ * Determines whether there are more posts available in the loop.
*
- * Calls action 'loop_end', when the loop is complete.
+ * Calls the {@see 'loop_end'} action when the loop is complete.
*
* @since 1.5.0
* @access public
}
/**
- * Make private properties readable for backwards compatibility.
+ * Make private properties readable for backward compatibility.
*
* @since 4.0.0
* @access public
}
/**
- * Make private properties checkable for backwards compatibility.
+ * Make private properties checkable for backward compatibility.
*
* @since 4.0.0
* @access public
}
/**
- * Make private/protected methods readable for backwards compatibility.
+ * Make private/protected methods readable for backward compatibility.
*
* @since 4.0.0
* @access public
}
/**
- * Is the query for an existing taxonomy archive page?
+ * Is the query 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.
*
* @param mixed $taxonomy Optional. Taxonomy slug or slugs.
* @param mixed $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
- * @return bool
+ * @return bool True for custom taxonomy archive pages, false for built-in taxonomies (category and tag archives).
*/
public function is_tax( $taxonomy = '', $term = '' ) {
global $wp_taxonomies;
* @return bool
*/
public function is_comments_popup() {
- _deprecated_function( __FUNCTION__, '4.5' );
+ _deprecated_function( __FUNCTION__, '4.5.0' );
return false;
}
}
/**
- * Filter the "pages" derived from splitting the post content.
+ * Filters the "pages" derived from splitting the post content.
*
* "Pages" are determined by splitting the post content based on the presence
* of `<!-- nextpage -->` tags.
}
/**
- * Filter the old slug redirect URL.
+ * Filters the old slug redirect URL.
*
* @since 4.4.0
*