<?php
    class SleepThread extends Thread
    {
        public $c = 0;
        public $hit = false;

        public function __construct($nap, $n)
        {
            $this->nap = $nap;
            $this->thread_no = $n;
        }

        public function run()
        {
            while (1)
            {
                $r = mt_rand(0, 9);
                echo $r . " found in thread " . $this->thread_no . "\n";
                if ($r == 9)
                {
                    $this->hit = true;
                }
                if ($this->hit)
                {
                    $this->synchronized
                    (
                        function ()
                        {
                            $obj = new stdClass;
                            $obj->message = "Test\n";
                            echo "CHILD:  Hit... \n";
                            $this->result = 'CHILD:  DONE in thread ' .  $this->thread_no . ' at ' . time();
                            echo "CHILD:  Waiting for parent thread ... \n";
                            $time = microtime();
                            $this->wait();
                            echo "CHILD:  Done waiting after " . (microtime() - $time) . " seconds\n";
                            $this->hit = false;
                            echo "CHILD:  Child thread continuing. Thread number is:  " . $this->thread_no . " You're a thread master.\n";
                        }
                    );
                }
                sleep($this->nap);
            }
        }
    }

    $thread[0] = new SleepThread(5, "0");
    $thread[1] = new SleepThread(5, "1");
    foreach ($thread as $job)
    {
        $job->start();
    }

    while (1)
    {
        sleep(1);
        foreach ($thread as $job)
        {
            if ($job->hit)
            {
                echo ("PARENT:  Detected a hit in thread " . $job->thread_no . "\n");
                $job->synchronized
                (
                    function ($job)
                    {
                        echo "PARENT:  Notifying child thread that we are ready for its result.\n";
                        $job->notify();
                        echo "PARENT:  " . $job->result . "  <----That's the result.\n";
                        // echo "PARENT:  " . $job->obj->message . "^^^Getting object created in child thread oesn't work for some rasons^^^.\n";
                    },
                    $job
                );
            }
        }
    }
?>