pfsockopen
(PHP 4, PHP 5)
pfsockopen — Open persistent Internet or Unix domain socket connection
Descrierea
   resource pfsockopen
    ( string $hostname
   [, int $port
   [, int &$errno
   [, string &$errstr
   [, float $timeout
  ]]]] )
  This function behaves exactly as fsockopen() with the difference that the connection is not closed after the script finishes. It is the persistent version of fsockopen().