gistfile1.txt

<?php

use Monolog\Handler\StreamHandler;
use Monolog\Logger;

require 'vendor/autoload.php';

class MyThread extends Thread
{
    public function run()
    {
        echo 'hihi', PHP_EOL;
        $log = new Logger('MyApp');
        $log->pushHandler(
            new StreamHandler('php://stdout', Logger::INFO)
        );
        $log->addInfo("hoho");
        echo 'haha', PHP_EOL;
    }
}

$thread = new MyThread();

if ($thread->start()) {
    $thread->join();
    echo 'hehe', PHP_EOL;
}