. PHP Manual . Prev . Next . (3.0.7 - 3.0.18 only, PHP 4 >= 4.0.0) pfsockopen -- Open persistent Internet or Unix domain socket connection . int pfsockopen ( string hostname, int port [, int errno [, string errstr [, int 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() . Prev . Home . Next . openlog . Up . socket_get_status