function DrupalKernel::handle

File

core/lib/Drupal/Core/DrupalKernel.php, line 693

Class

DrupalKernel

The DrupalKernel class is the core of Drupal itself.

Namespace

Code

public function handle(Request $request, $type = self::MASTER_REQUEST, $catch = TRUE) {
  // Ensure sane PHP environment variables.
  static::bootEnvironment();
  try {
    $this->initializeSettings($request);
    // Redirect the user to the installation script if Drupal has not been
    // installed yet (i.e., if no $databases array has been defined in the
    // settings.php file) and we are not already installing.
    if (!Database::getConnectionInfo() && !InstallerKernel::installationAttempted() && PHP_SAPI !== 'cli') {
      $response = new RedirectResponse($request->getBasePath() . '/core/install.php', 302, [
        'Cache-Control' => 'no-cache',
      ]);
    }
    else {
      $this->boot();
      $response = $this->getHttpKernel()
        ->handle($request, $type, $catch);
    }
  } catch (\Exception $e) {
    if ($catch === FALSE) {
      throw $e;
    }
    $response = $this->handleException($e, $request, $type);
  }
  // Adapt response headers to the current request.
  $response->prepare($request);
  return $response;
}