Product Version = NetBeans IDE 8.0.2 (Build 201411181905)
Operating System = Windows 7 version 6.1 running on amd64
Java; VM; Vendor = 1.8.0_25
Runtime = Java HotSpot(TM) 64-Bit Server VM 25.25-b02

socket exception occurred, every time on preg_match

if(count($tran_array)>0)
    {
      $search_str=get_sku_inserted();
      foreach($tran_array AS $sku_tran_array)  
      {
       foreach($sku_tran_array[1] AS $key => $desc_str)
       {
         $pattern='/^((?!'.$sku_tran_array[0].' '.$key.').)*$/is'; 
         if(preg_match($pattern,$search_str)){ //-------------------------HERE
          $sql="INSERT INTO `$db_table_mart_translated`(lang,sku,description) VALUES('{$key}','{$sku_tran_array[0]}','".EscapeQuoteString($desc_str)."')";
          //mysql_query($sql) or die("MYSQL INSERT ERROR: ".mysql_error()." SQL: $sql");
          $search_str.=$sku_tran_array[0].' '.$key.',';
         } 
       }   
      }
    }