public function DrupalKernel::boot in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/DrupalKernel.php \Drupal\Core\DrupalKernel::boot()

Boots the current kernel.

Return value

$this

Overrides DrupalKernelInterface::boot

4 calls to DrupalKernel::boot()

DrupalKernel::handle in core/lib/Drupal/Core/DrupalKernel.php

Handles a Request to convert it to a Response.

DrupalKernel::prepareLegacyRequest in core/lib/Drupal/Core/DrupalKernel.php

Prepare the kernel for handling a request without handling the request.

TestRunnerKernel::boot in core/lib/Drupal/Core/Test/TestRunnerKernel.php

Boots the current kernel.

UpdateKernel::handle in core/lib/Drupal/Core/Update/UpdateKernel.php

Handles a Request to convert it to a Response.

1 method overrides DrupalKernel::boot()

TestRunnerKernel::boot in core/lib/Drupal/Core/Test/TestRunnerKernel.php

Boots the current kernel.

File

core/lib/Drupal/Core/DrupalKernel.php, line 448

Class

DrupalKernel

The DrupalKernel class is the core of Drupal itself.

Namespace

Drupal\Core

Code

public function boot() {
  if ($this->booted) {
    return $this;
  }

  // Ensure that findSitePath is set.
  if (!$this->sitePath) {
    throw new \Exception('Kernel does not have site path set before calling boot()');
  }

  // Initialize the FileCacheFactory component. We have to do it here instead
  // of in \Drupal\Component\FileCache\FileCacheFactory because we can not use
  // the Settings object in a component.
  $configuration = Settings::get('file_cache');

  // Provide a default configuration, if not set.
  if (!isset($configuration['default'])) {

    // @todo Use extension_loaded('apcu') for non-testbot
    //  https://www.drupal.org/node/2447753.
    if (function_exists('apcu_fetch')) {
      $configuration['default']['cache_backend_class'] = '\\Drupal\\Component\\FileCache\\ApcuFileCacheBackend';
    }
  }
  FileCacheFactory::setConfiguration($configuration);
  FileCacheFactory::setPrefix(Settings::getApcuPrefix('file_cache', $this->root));
  $this->bootstrapContainer = new $this->bootstrapContainerClass(Settings::get('bootstrap_container_definition', $this->defaultBootstrapContainerDefinition));

  // Initialize the container.
  $this
    ->initializeContainer();
  if (in_array('phar', stream_get_wrappers(), TRUE)) {

    // Set up a stream wrapper to handle insecurities due to PHP's builtin
    // phar stream wrapper. This is not registered as a regular stream wrapper
    // to prevent \Drupal\Core\File\FileSystem::validScheme() treating "phar"
    // as a valid scheme.
    try {
      $behavior = new PharStreamWrapperBehavior();
      PharStreamWrapperManager::initialize($behavior
        ->withAssertion(new PharExtensionInterceptor()));
    } catch (\LogicException $e) {

      // Continue if the PharStreamWrapperManager is already initialized. For
      // example, this occurs during a module install.
      // @see \Drupal\Core\Extension\ModuleInstaller::install()
    }
    stream_wrapper_unregister('phar');
    stream_wrapper_register('phar', PharStreamWrapper::class);
  }
  $this->booted = TRUE;
  return $this;
}