rebuild.php

<?php


/**
 * @file
 * Rebuilds all Drupal caches even when Drupal itself does not work.
 *
 * Needs a token query argument which can be calculated using the
 * scripts/rebuild_token_calculator.sh script.
 *
 * @see drupal_rebuild()
 */
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;
// Change the directory to the Drupal root.
chdir('..');
$autoloader = (require_once __DIR__ . '/../autoload.php');
require_once __DIR__ . '/includes/utility.inc';
$request = Request::createFromGlobals();
// Manually resemble early bootstrap of DrupalKernel::boot().
DrupalKernel::bootEnvironment();
try {
    Settings::initialize(dirname(__DIR__), DrupalKernel::findSitePath($request), $autoloader);
} catch (HttpExceptionInterface $e) {
    $response = new Response('', $e->getStatusCode());
    $response->prepare($request)
        ->send();
    exit;
}
if (Settings::get('rebuild_access', FALSE) || $request->query
    ->get('token') && $request->query
    ->get('timestamp') && $request->server
    ->getInt('REQUEST_TIME') - $request->query
    ->get('timestamp') < 300 && hash_equals(Crypt::hmacBase64($request->query
    ->get('timestamp'), Settings::get('hash_salt')), $request->query
    ->get('token'))) {
    // Clear user cache for all major platforms.
    $user_caches = [
        'apcu_clear_cache',
        'wincache_ucache_clear',
    ];
    array_map('call_user_func', array_filter($user_caches, 'is_callable'));
    drupal_rebuild($autoloader, $request);
    \Drupal::messenger()->addStatus('Cache rebuild complete.');
}
$base_path = dirname($request->getBaseUrl(), 2);
header('Location: ' . $request->getSchemeAndHttpHost() . $base_path);