WP hooks navigation: Home/browse • Actions index • Filters index
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.
| Line | Code |
|---|---|
| 2293 | |
| 2294 | if ( ! empty($meta_value) ) |
| 2295 | $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) ); |
| 2296 | else |
| 2297 | $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) ); |
| 2298 | |
| 2299 | wp_cache_delete($user_id, 'users'); |
| 2300 | |
| 2301 | if ( $cur && $cur->umeta_id ) |
| 2302 | do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value ); |
| 2303 | |
| 2304 | return true; |
| 2305 | } |
| 2306 | |
| 2307 | /** |
| 2308 | * Retrieve user metadata. |
| 2309 | * |
| 2310 | * If $user_id is not a number, then the function will fail over with a 'false' |
| 2311 | * boolean return value. Other returned values depend on whether there is only |