comparison core/lib/Drupal.php @ 17:129ea1e6d783

Update, including to Drupal core 8.6.10

 class Drupal {
 
   /**
    * The current system version.
    */
-  const VERSION = '8.5.5';
+  const VERSION = '8.6.10';
 
   /**
    * Core API compatibility.
    */
   const CORE_COMPATIBILITY = '8.x';

    */
   public static function hasContainer() {
     return static::$container !== NULL;
   }
 
-
   /**
    * Retrieves a service from the container.
    *
    * Use this method if the desired service is not one of those with a dedicated
    * accessor method below. If it is listed below, those methods are preferred

   public static function request() {
     return static::getContainer()->get('request_stack')->getCurrentRequest();
   }
 
   /**
-   * Retrives the request stack.
+   * Retrieves the request stack.
    *
    * @return \Symfony\Component\HttpFoundation\RequestStack
    *   The request stack
    */
   public static function requestStack() {

    * \Drupal\Core\DependencyInjection\ContainerInjectionInterface.
    *
    * One common usecase is to provide a class which contains the actual code
    * of a hook implementation, without having to create a service.
    *
-   * @return \Drupal\Core\DependencyInjection\ClassResolverInterface
-   *   The class resolver.
-   */
-  public static function classResolver() {
+   * @param string $class
+   *   (optional) A class name to instantiate.
+   *
+   * @return \Drupal\Core\DependencyInjection\ClassResolverInterface|object
+   *   The class resolver or if $class is provided, a class instance with a
+   *   given class definition.
+   *
+   * @throws \InvalidArgumentException
+   *   If $class does not exist.
+   */
+  public static function classResolver($class = NULL) {
+    if ($class) {
+      return static::getContainer()->get('class_resolver')->getInstanceFromDefinition($class);
+    }
     return static::getContainer()->get('class_resolver');
   }
 
   /**
    * Returns an expirable key value store collection.