PHP - Threaded::synchronized() Function

Threaded::synchronized - Synchronization

Syntax

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

Threaded::synchronized() function can execute the block while retaining a referenced objects synchronization lock for the calling context.

Threaded:: synchronized() function can return a value from the block.

Example

<?php
   class My extends Thread {
      public function run() {
         $this->synchronized(function($thread) {
            if(!$thread->done)
               $thread->wait();
         }, $this);
      }
   }
   $my = new My();
   $my->start();
   
   $my->synchronized(function($thread) {
      $thread->done = true;
      $thread->notify();
   }, $my);
   var_dump($my->join());
?>