<?php

use Drupal\Component\Utility\Crypt;
use Drupal\Core\DrupalKernel;
use Drupal\Core\Site\Settings;
use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

$autoloader = require_once 'autoload.php';
$request = Request::createFromGlobals();
$kernel = DrupalKernel::createFromRequest($request, $autoloader, 'prod');
$kernel->boot();
$kernel->preHandle($request);

$arr = array_fill(0,2, 'lorem ipsum 2');
$renderer = \Drupal::service('renderer');


// Theme hook:
// $markup = ['#theme' => 'indentation', '#size' => 1];

// Twig template:
// $markup = ['#theme' => 'feed_icon'];

// Inline list template:
$markup = ['#theme' => 'inline_list', '#items' => array_fill(0,20, 'lorem ipsum')];

// Do a render to set up stuff...
$renderer->renderPlain($markup);

$time_start = microtime(true);
for ($i=0; $i<20; $i++) {
  $arr = array_fill(0,2, 'lorem ipsum' . mt_rand(0, 999999999999);
  $render_array = ['#theme' => 'inline_list', '#items' => $arr];
  $output = $renderer->renderPlain($render_array);
}

$time_end = microtime(true);
$time = $time_end - $time_start;

echo "Render array in $time seconds\n";