wp-includes/deprecated.php:2246delete_usermeta() $meta_value = serialize($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) );Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.