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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 |
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460 | // Old-style action. |
461 | if ( 'post' == $meta_type ) { |
462 | /** |
463 | * Fires immediately after deleting metadata for a post. |
464 | * |
465 | * @since 2.9.0 |
466 | * |
467 | * @param string[] $meta_ids An array of metadata entry IDs to delete. |
468 | */ |
469 | do_action( 'deleted_postmeta', $meta_ids ); |
470 | } |
471 |
|
472 | return true; |
473 | } |
474 |
|
475 | /** |
476 | * Retrieves metadata for the specified object. |
477 | * |
478 | * @since 2.9.0 |