Php/docs/function.pfsockopen
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pfsockopen
(PHP 4, PHP 5, PHP 7)
pfsockopen — Open persistent Internet or Unix domain socket connection
Description
pfsockopen
( string $hostname
[, int $port
= -1
[, int &$errno
[, string &$errstr
[, float $timeout
= ini_get("default_socket_timeout")
]]]] ) : resource
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().