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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 |
|---|---|
| 259 | * object type (comment, post, or user). |
| 260 | * |
| 261 | * @since 2.9.0 |
| 262 | * |
| 263 | * @param int $meta_id ID of updated metadata entry. |
| 264 | * @param int $object_id Object ID. |
| 265 | * @param string $meta_key Meta key. |
| 266 | * @param mixed $meta_value Meta value. |
| 267 | */ |
| 268 | do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value ); |
| 269 | } |
| 270 | |
| 271 | if ( 'post' == $meta_type ) { |
| 272 | foreach ( $meta_ids as $meta_id ) { |
| 273 | /** |
| 274 | * Fires immediately after updating a post's metadata. |
| 275 | * |
| 276 | * @since 2.9.0 |
| 277 | * |
| Line | Code |
| 657 | // Run the update query, all fields in $data are %s, $where is a %d. |
| 658 | $result = $wpdb->update( $table, $data, $where, '%s', '%d' ); |
| 659 | if ( ! $result ) |
| 660 | return false; |
| 661 | |
| 662 | // Clear the caches. |
| 663 | wp_cache_delete($object_id, $meta_type . '_meta'); |
| 664 | |
| 665 | /** This action is documented in wp-includes/meta.php */ |
| 666 | do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value ); |
| 667 | |
| 668 | if ( 'post' == $meta_type ) { |
| 669 | /** This action is documented in wp-includes/meta.php */ |
| 670 | do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value ); |
| 671 | } |
| 672 | |
| 673 | return true; |
| 674 | } |
| 675 | |