delete_usermeta
函数
delete_usermeta ( $user_id, $meta_key, $meta_value = '' )
- 参数
-
-
(int)
$user_id
User ID.- Required: 是
-
(string)
$meta_key
Metadata key.- Required: 是
-
(mixed)
$meta_value
Optional. Metadata value. Default empty.- Required: 否
- Default: (empty)
-
(int)
- 返回值
-
- (bool) True deletion completed and false if user_id is not a number.
- 相关
-
- delete_user_meta()
- 定义位置
-
-
wp-includes/deprecated.php
, line 2225
-
wp-includes/deprecated.php
- 引入
- 2.0.0
- 弃用
- 3.0.0
Remove user meta data.
function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {
_deprecated_function( __FUNCTION__, '3.0.0', 'delete_user_meta()' );
global $wpdb;
if ( !is_numeric( $user_id ) )
return false;
$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);
if ( is_array($meta_value) || is_object($meta_value) )
$meta_value = serialize($meta_value);
$meta_value = trim( $meta_value );
$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
if ( $cur && $cur->umeta_id )
do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
if ( ! empty($meta_value) )
$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) );
else
$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );
clean_user_cache( $user_id );
wp_cache_delete( $user_id, 'user_meta' );
if ( $cur && $cur->umeta_id )
do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
return true;
}
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