خدمات تحت وب دارکوب

$queryahmad = "
  SELECT ".$db->nameQuote('permissions')."
    FROM ".$db->nameQuote('#__k2_user_groups')."
    WHERE ".$db->nameQuote('id')." = ".$db->quote($userGroup).";
  ";
$db->setQuery($queryahmad);
$userGroupaccess = $db->loadResult();
$pieces = explode("\n", $userGroupaccess);
$ahmaddal=ereg_replace("categories=","",$pieces[6]);
$piecesah = explode("|", $ahmaddal);
$anacounty = 0;
if(count($piecesah)){
 $query .= " AND ( ";
foreach ($piecesah as $value){
 if($anacounty==0)
 $query .= "  i.catid=$value ";
 else
 $query .= " OR i.catid=$value ";
 $anacounty = $anacounty + 1;
 }
 $query .= " ) ";
}