wp_ajax_meta_box_order()

1988function wp_ajax_meta_box_order() {1989	check_ajax_referer( 'meta-box-order' );1990	$order        = isset( $_POST['order'] ) ? (array) $_POST['order'] : false;1991	$page_columns = $_POST['page_columns'] ?? 'auto';1992 1993	if ( 'auto' !== $page_columns ) {1994		$page_columns = (int) $page_columns;1995	}1996 1997	$page = $_POST['page'] ?? '';1998 1999	if ( sanitize_key( $page ) !== $page ) {2000		wp_die( 0 );2001	}2002 2003	$user = wp_get_current_user();2004	if ( ! $user ) {2005		wp_die( -1 );2006	}2007 2008	if ( $order ) {2009		update_user_meta( $user->ID, "meta-box-order_$page", $order );2010	}2011 2012	if ( $page_columns ) {2013		update_user_meta( $user->ID, "screen_layout_$page", $page_columns );2014	}2015 2016	wp_send_json_success();2017}