delete_post_meta_by_key( string $post_meta_key )
Delete everything from post meta matching meta key.
Parameters
- $post_meta_key
-
(string) (Required) Key to search for when deleting.
Return
(bool) Whether the post meta key was deleted from the database.
Source
File: wp-includes/post.php
function delete_post_meta_by_key( $post_meta_key ) {
$deleted = delete_metadata( 'post', null, $post_meta_key, '', true );
if ( $deleted ) {
wp_cache_set( 'last_changed', microtime(), 'posts' );
}
return $deleted;
}
Changelog
| Version | Description |
|---|---|
| WP-2.3.0 | Introduced. |