Проверка дерева категорий instantcms 2

$categories = $content_model->getCategoriesTree($ctype['name'], false);

$categories = $content_model->limit(0)->getCategoriesTree($ctype['name'], false);

 
function pp(){
	mysql_connect(DBSERVER,DBUSER,DBPASS);
	mysql_select_db(DBNAME);
	$sql='update FAT set cat_left=0,cat_right=0';
	$ds=mysql_query($sql);
	$sql='update FAT set cat_left=1,cat_right=2 where ID=1';
	$ds=mysql_query($sql);
	$sql='select * from FAT where Level>0 order by ABSPath asc'; 
	$ds=mysql_query($sql);
	$level=0;
	$last[0]=1;
	while ($row=mysql_fetch_array($ds)) {
		$rowparent=mysql_fetch_array(mysql_query('select * from FAT where ID='.$last[($row['Level']-1)]));
			$sql='UPDATE FAT SET cat_right = cat_right + 2, cat_left = IF(cat_left > '.$rowparent['cat_right'].', cat_left + 2, cat_left) WHERE cat_right >= '.$rowparent['cat_right'];
			mysql_query($sql);
			$sql='UPDATE FAT SET cat_left='.$rowparent['cat_right'].',cat_right='.($rowparent['cat_right']+1).' where ID='.$row['ID'];
			mysql_query($sql);
			$last[$row['Level']]=$row['ID'];
	}
	exit('Готово');
}