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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 |
|---|---|
| 754 | * Fires immediately after deleting post or comment metadata of a specific type. |
| 755 | * |
| 756 | * The dynamic portion of the hook, `$meta_type`, refers to the meta |
| 757 | * object type (post or comment). |
| 758 | * |
| 759 | * @since 3.4.0 |
| 760 | * |
| 761 | * @param int $meta_ids Deleted metadata entry ID. |
| 762 | */ |
| 763 | do_action( "deleted_{$meta_type}meta", $meta_id ); |
| 764 | } |
| 765 | |
| 766 | return $result; |
| 767 | |
| 768 | } |
| 769 | |
| 770 | // Meta id was not found. |
| 771 | return false; |
| 772 | } |