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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 280 | * object type (comment, post, term, or user). |
| 281 | * |
| 282 | * @since 2.9.0 |
| 283 | * |
| 284 | * @param int $meta_id ID of updated metadata entry. |
| 285 | * @param int $object_id Object ID. |
| 286 | * @param string $meta_key Meta key. |
| 287 | * @param mixed $_meta_value Meta value. |
| 288 | */ |
| 289 | do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value ); |
| 290 | |
| 291 | if ( 'post' == $meta_type ) { |
| 292 | /** |
| 293 | * Fires immediately after updating a post's metadata. |
| 294 | * |
| 295 | * @since 2.9.0 |
| 296 | * |
| 297 | * @param int $meta_id ID of updated metadata entry. |
| 298 | * @param int $object_id Post ID. |
| Line | Code |
| 740 | $result = $wpdb->update( $table, $data, $where, '%s', '%d' ); |
| 741 | if ( ! $result ) { |
| 742 | return false; |
| 743 | } |
| 744 | |
| 745 | // Clear the caches. |
| 746 | wp_cache_delete( $object_id, $meta_type . '_meta' ); |
| 747 | |
| 748 | /** This action is documented in wp-includes/meta.php */ |
| 749 | do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value ); |
| 750 | |
| 751 | if ( 'post' == $meta_type ) { |
| 752 | /** This action is documented in wp-includes/meta.php */ |
| 753 | do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value ); |
| 754 | } |
| 755 | |
| 756 | return true; |
| 757 | } |
| 758 | |