utility.inc

<?php


/**
 * @file
 * Miscellaneous functions.
 */
use Drupal\Core\PhpStorage\PhpStorageFactory;
use Drupal\Core\Cache\Cache;
use Drupal\Core\DrupalKernel;
use Symfony\Component\HttpFoundation\Request;

/**
 * Rebuilds all caches even when Drupal itself does not work.
 *
 * @param $class_loader
 *   The class loader. Normally Composer's ClassLoader, as included by the
 *   front controller, but may also be decorated; e.g.,
 *   \Symfony\Component\ClassLoader\ApcClassLoader, \Symfony\Component\ClassLoader\WinCacheClassLoader, or \Symfony\Component\ClassLoader\XcacheClassLoader
 * @param \Symfony\Component\HttpFoundation\Request $request
 *   The current request.
 *
 * @see rebuild.php
 */
function drupal_rebuild($class_loader, Request $request) {
    // Remove Drupal's error and exception handlers; they rely on a working
    // service container and other subsystems and will only cause a fatal error
    // that hides the actual error.
    restore_error_handler();
    restore_exception_handler();
    // Force kernel to rebuild php cache.
    PhpStorageFactory::get('twig')->deleteAll();
    // Bootstrap up to where caches exist and clear them.
    $kernel = new DrupalKernel('prod', $class_loader);
    $kernel->setSitePath(DrupalKernel::findSitePath($request));
    $kernel->boot();
    $kernel->preHandle($request);
    // Ensure our request includes the session if appropriate.
    if (PHP_SAPI !== 'cli') {
        $request->setSession($kernel->getContainer()
            ->get('session'));
    }
    // Invalidate the container.
    $kernel->invalidateContainer();
    foreach (Cache::getBins() as $bin) {
        $bin->deleteAll();
    }
    // Disable recording of cached pages.
    \Drupal::service('page_cache_kill_switch')->trigger();
    drupal_flush_all_caches();
    // Restore Drupal's error and exception handlers.
    // @see \Drupal\Core\DrupalKernel::boot()
    set_error_handler('_drupal_error_handler');
    set_exception_handler('_drupal_exception_handler');
}