Description:
------------
A php script with a sockets fuction or fopen or maybe a ftp functions may cause a download file wich cause in some cases a   crash of apache, or a over size file > 1gb inside the hd.

Reproduce code:
---------------
<?
set_time_limit(0);
$fp = fopen ("testfile.woext","w");
for ($a = 0; $a < 65535; $a++)
 for ($b = 0; $b < 65535; $b++)
  for ($c = 0; $c < 65535; $c++)
  {
    $str = "File OverSize!!!!";
    fputs($fp,$str,strlen($str);
  }
fclose($fp);
?>

Expected result:
----------------
A message with WARNING or something setted by php config

Actual result:
--------------
A file size > 1gb or maybe 2gb