file_put_contents(dirname(__FILE__).'/1.txt', '1111', FILE_APPEND);

class test extends Thread {

    public function __construct($arg){

        $this->arg = $arg;

    }

    public function run(){

        file_put_contents(dirname(__FILE__).'/1.txt', '3333', FILE_APPEND);

        $getCreatorId = $this->getCreatorId();//创建当前线程的线程ID

        $getCurrentThreadId = Thread::getCurrentThreadId();//当前执行线程的ID

        $getThreadId = $this->getThreadId();//引用线程的ID

        if($this->arg){

            if ($this->arg=='World'){

                sleep(3);

            }

            echo "Hello".$this->arg.'<br />

getCreatorId:'.$getCreatorId.'创建当前线程的线程ID<br />

getCurrentThreadId:'.$getCurrentThreadId.'当前执行线程的ID<br />

getThreadId:'.$getThreadId.'引用线程的ID<br />';

        }

    }

}

$thread = new test("World");

$thread->start();

$thread->join();

// var_dump($thread->isJoined());

// $thread2 = new test("World2");

// $thread2->start();

// $thread2->join();

file_put_contents(dirname(__FILE__).'/1.txt', '2222', FILE_APPEND);