Problém z funkciou file_get_contents()

...
foreach ($files as $data) {
      list($ean, $ine) = explode("|", $data);
      echo "<tr>\n";
    $stranka=file_get_contents("http://adresa.sk/".$ine);
    preg_match("~<div >(.+?)<span class=\"bigPrice\">~s", $stranka, $obsah);
    $zapis = stripslashes(substr($obsah[0], 6, -61));
    mysql_query("UPDATE test SET obsah = '$zapis' WHERE kod = '".strtoupper($ean)."' AND obsah = ''"); // AND obsah = ''
      echo "<td>".$i++.". ".strtoupper($ean)."</td><td>$ine</td>\n";
      echo "</tr>\n";
  }