Same name in other branches

1. 8.9.x core/lib/Drupal.php \Drupal::classResolver()
2. 10 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 usecase 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.

20 calls to Drupal::classResolver()

ckeditor5_post_update_alignment_buttons in core/modules/ckeditor5/ckeditor5.post_update.php

Updates text formats that has alignment shown as individual buttons.

ckeditor5_post_update_image_toolbar_item in core/modules/ckeditor5/ckeditor5.post_update.php

The image toolbar item changed from `uploadImage` to `drupalInsertImage`.

ckeditor_post_update_omit_settings_for_disabled_plugins in core/modules/ckeditor/ckeditor.post_update.php

Updates Text Editors using CKEditor 4 to omit settings for disabled plugins.

DrupalTest::testClassResolver in core/tests/Drupal/Tests/Core/DrupalTest.php

Tests the classResolver method.

DrupalTest::testClassResolverWithClass in core/tests/Drupal/Tests/Core/DrupalTest.php

Tests the classResolver method when called with a class.

... See full list

File

core/lib/Drupal.php, line 372

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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