This is a non-production site

class Form

Same name and namespace in other branches

8.9.x core/lib/Drupal/Core/Render/Element/Form.php \Drupal\Core\Render\Element\Form
10 core/lib/Drupal/Core/Render/Element/Form.php \Drupal\Core\Render\Element\Form
11.x core/lib/Drupal/Core/Render/Element/Form.php \Drupal\Core\Render\Element\Form

Provides a render element for a form.

Plugin annotation

@RenderElement("form");

Hierarchy

class \Drupal\Component\Plugin\PluginBase implements \Drupal\Component\Plugin\PluginInspectionInterface, \Drupal\Component\Plugin\DerivativeInspectionInterface
- class \Drupal\Core\Plugin\PluginBase extends \Drupal\Component\Plugin\PluginBase uses \Drupal\Core\StringTranslation\StringTranslationTrait, \Drupal\Core\DependencyInjection\DependencySerializationTrait, \Drupal\Core\Messenger\MessengerTrait
  - class \Drupal\Core\Render\Element\RenderElement extends \Drupal\Core\Plugin\PluginBase implements \Drupal\Core\Render\Element\ElementInterface
    - class \Drupal\Core\Render\Element\Form extends \Drupal\Core\Render\Element\RenderElement

Expanded class hierarchy of Form

70 string references to 'Form'

AjaxFormCacheTest::testFormCacheUsage in core/tests/Drupal/FunctionalJavascriptTests/Ajax/AjaxFormCacheTest.php: Tests the usage of form cache for AJAX forms.
ckeditor5_theme in core/modules/ckeditor5/ckeditor5.module: Implements hook_theme().
ClaroVerticalTabsTest::testVerticalTabs in core/tests/Drupal/KernelTests/Core/Theme/ClaroVerticalTabsTest.php: Confirms that Claro can render vertical tabs correctly.
color_theme in core/modules/color/color.module: Implements hook_theme().
Comment::baseFieldDefinitions in core/modules/comment/src/Entity/Comment.php

... See full list

4 #type uses of Form

FormAjaxSubscriberTest::testOnException in core/tests/Drupal/Tests/Core/Form/EventSubscriber/FormAjaxSubscriberTest.php: @covers ::onException
FormAjaxSubscriberTest::testOnExceptionNestedException in core/tests/Drupal/Tests/Core/Form/EventSubscriber/FormAjaxSubscriberTest.php: @covers ::onException @covers ::getFormAjaxException
FormAjaxSubscriberTest::testOnExceptionNewBuildId in core/tests/Drupal/Tests/Core/Form/EventSubscriber/FormAjaxSubscriberTest.php: @covers ::onException
FormAjaxSubscriberTest::testOnExceptionResponseBuilderException in core/tests/Drupal/Tests/Core/Form/EventSubscriber/FormAjaxSubscriberTest.php: @covers ::onException

File

core/lib/Drupal/Core/Render/Element/Form.php, line 10

Namespace

Drupal\Core\Render\Element

View source

class Form extends RenderElement {
    
    /**
     * {@inheritdoc}
     */
    public function getInfo() {
        return [
            '#method' => 'post',
            '#theme_wrappers' => [
                'form',
            ],
        ];
    }

}

Members

Title Sort descending	Modifiers	Object type	Summary	Overriden Title	Overrides
Form::getInfo	public	function	Returns the element properties for this element.	Overrides ElementInterface::getInfo
PluginInspectionInterface::getPluginDefinition	public	function	Gets the definition of the plugin implementation.		6
PluginInspectionInterface::getPluginId	public	function	Gets the plugin_id of the plugin instance.		2
RenderElement::preRenderAjaxForm	public static	function	Adds Ajax information about an element to communicate with JavaScript.
RenderElement::preRenderGroup	public static	function	Adds members of this group as actual elements for rendering.
RenderElement::processAjaxForm	public static	function	Form element processing handler for the #ajax form property.		1
RenderElement::processGroup	public static	function	Arranges elements into groups.
RenderElement::setAttributes	public static	function	Sets a form element's class attribute.	Overrides ElementInterface::setAttributes

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.