benchmark.php

<?php
require 'vendor/autoload.php';

class User {

    public $name;

    public function __construct($name) {
        $this->name = $name;
    }

    public function getName()
    {
        return $this->name;
    }
}


$i = 100000;
$startTime = microtime(true);
$loader = new Twig_Loader_Filesystem(realpath('templates'));
$twig = new Twig_Environment($loader, array(
    'cache' => realpath('cache'),
));
while ($i--) {
    $template = $twig->loadTemplate('index.html');
    $template->render(array('users' => [
        new User('John'),
        new User('Mary'),
        new User('Lisa'),
        new User('Pedro'),
        new User('Jack'),
        new User('Chen'),
        new User('Lin'),
    ]));
}
$endTime = microtime(true);
var_dump($endTime - $startTime);