PHP Manual: Create a Mutex

Description

final public static long Mutex::create ([ boolean $lock ] )

Create, and optionally lock a new Mutex for the caller

Parameters

lock: Setting lock to true will lock the Mutex for the caller before returning the handle

Return Values

A newly created and optionally locked Mutex handle

Examples

Example #1 Mutex Creation and Destruction


<?php
/** You cannot use the "new" keyword, a Mutex is not a PHP object **/
$mutex = Mutex::create();
/** You have the physical address of the Mutex **/
var_dump($mutex);
/** Always destroy mutex you have created **/
Mutex::destroy($mutex);
?>

The above example will output:

int(40096976)