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 |
|---|---|
| 502 | // Old-style action. |
| 503 | if ( 'post' === $meta_type ) { |
| 504 | /** |
| 505 | * Fires immediately before deleting metadata for a post. |
| 506 | * |
| 507 | * @since 2.9.0 |
| 508 | * |
| 509 | * @param string[] $meta_ids An array of metadata entry IDs to delete. |
| 510 | */ |
| 511 | do_action( 'delete_postmeta', $meta_ids ); |
| 512 | } |
| 513 | |
| 514 | $query = "DELETE FROM $table WHERE $id_column IN( " . implode( ',', $meta_ids ) . ' )'; |
| 515 | |
| 516 | $count = $wpdb->query( $query ); |
| 517 | |
| 518 | if ( ! $count ) { |
| 519 | return false; |
| 520 | } |