pfsockopen

PHP 4, PHP 5, PHP 7, PHP 8
pfsockopen - Open persistent Internet or Unix domain socket connection
Manual

pfsockopen(
     string$hostname,
     [int$port = -1],
     [interror_code = null],
     [stringerror_message = null],
     [float|null$timeout = null]
): resource|false

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.

Parameters

For parameter information, see the fsockopen documentation.

Return Values

pfsockopen returns a file pointer which may be used together with the other file functions (such as fgets, fgetss, fwrite, fclose, and feof), or false on failure.

Changelog

Version Description
8.0.0 timeout is nullable now.

Related Functions