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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 |
---|---|
757 | * Fires immediately after deleting post or comment metadata of a specific type. |
758 | * |
759 | * The dynamic portion of the hook, `$meta_type`, refers to the meta |
760 | * object type (post or comment). |
761 | * |
762 | * @since 3.4.0 |
763 | * |
764 | * @param int $meta_ids Deleted metadata entry ID. |
765 | */ |
766 | do_action( "deleted_{$meta_type}meta", $meta_id ); |
767 | } |
768 |
|
769 | return $result; |
770 |
|
771 | } |
772 |
|
773 | // Meta id was not found. |
774 | return false; |
775 | } |