function Drupal::classResolver

Same name and namespace in other branches
  1. 9 core/lib/Drupal.php \Drupal::classResolver()
  2. 8.9.x core/lib/Drupal.php \Drupal::classResolver()
  3. 11.x core/lib/Drupal.php \Drupal::classResolver()

Retrieves the class resolver.

This is to be used in procedural code such as module files to instantiate an object of a class that implements \Drupal\Core\DependencyInjection\ContainerInjectionInterface.

One common use case is to provide a class which contains the actual code of a hook implementation, without having to create a service.

Parameters

string $class: (optional) A class name to instantiate.

Return value

\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.

31 calls to Drupal::classResolver()
ckeditor5_post_update_code_block in core/modules/ckeditor5/ckeditor5.post_update.php
Updates Text Editors using CKEditor 5 Code Block.
ckeditor5_post_update_image_toolbar_item in core/modules/ckeditor5/ckeditor5.post_update.php
The image toolbar item changed from `uploadImage` to `drupalInsertImage`.
ckeditor5_post_update_list_multiblock in core/modules/ckeditor5/ckeditor5.post_update.php
Updates Text Editors using CKEditor 5.
ckeditor5_post_update_list_start_reversed in core/modules/ckeditor5/ckeditor5.post_update.php
Updates Text Editors using CKEditor 5 to native List "start" functionality.
ckeditor5_post_update_plugins_settings_export_order in core/modules/ckeditor5/ckeditor5.post_update.php
Updates Text Editors using CKEditor 5 to sort plugin settings by plugin key.

... See full list

File

core/lib/Drupal.php, line 362

Class

Drupal
Static Service Container wrapper.

Code

public static function classResolver($class = NULL) {
    if ($class) {
        return static::getContainer()->get('class_resolver')
            ->getInstanceFromDefinition($class);
    }
    return static::getContainer()->get('class_resolver');
}

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