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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 |
|---|---|
| 858 | * Fires immediately after deleting post or comment metadata of a specific type. |
| 859 | * |
| 860 | * The dynamic portion of the hook, `$meta_type`, refers to the meta |
| 861 | * object type (post or comment). |
| 862 | * |
| 863 | * @since 3.4.0 |
| 864 | * |
| 865 | * @param int $meta_ids Deleted metadata entry ID. |
| 866 | */ |
| 867 | do_action( "deleted_{$meta_type}meta", $meta_id ); |
| 868 | } |
| 869 | |
| 870 | return $result; |
| 871 | |
| 872 | } |
| 873 | |
| 874 | // Meta ID was not found. |
| 875 | return false; |
| 876 | } |