pfsockopen

(PHP 4, PHP 5, PHP 7, PHP 8)

pfsockopen — Open persistent Internet or Unix domain socket connection

Description

pfsockopen(
    string $hostname,
    int $port = -1,
    int &$error_code = null,
    string &$error_message = null,
    ?float $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.

User Contributed Notes

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