PHP Manual: Synchronization

Description

final public mixed Stackable::synchronized ( Closure $block [, mixed $... ] )

Executes the block while retaining the synchronization lock for the current context.

Parameters

block: The block of code to execute
...: Variable length list of arguments to use as function arguments to the block

Return Values

The return value from the block

Examples

Example #1 Synchronizing


<?php
class My extends Stackable {
    public function run() {
        $this->synchronized(function($object){
            var_dump($object->isWaiting());
            $object->notify();
        }, $this);
    }
}
/** create worker **/
$my = new My();
/** stack my **/
/** execute something here **/
$my->synchronized(function($object){
    $object->wait();
}, $my);
?>

The above example will output:

bool(/** true or false **/)