WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 3318 | |
| 3319 | /** |
| 3320 | * Filters the Post IDs SQL request before sending. |
| 3321 | * |
| 3322 | * @since 3.4.0 |
| 3323 | * |
| 3324 | * @param string $request The post ID request. |
| 3325 | * @param WP_Query $query The WP_Query instance. |
| 3326 | */ |
| 3327 | $this->request = apply_filters( 'posts_request_ids', $this->request, $this ); |
| 3328 | |
| 3329 | $post_ids = $wpdb->get_col( $this->request ); |
| 3330 | |
| 3331 | if ( $post_ids ) { |
| 3332 | $this->posts = $post_ids; |
| 3333 | $this->set_found_posts( $q, $limits ); |
| 3334 | _prime_post_caches( $post_ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] ); |
| 3335 | } else { |
| 3336 | $this->posts = array(); |