Extracts the form argument string from a request.

Depending on the type of form the argument string may be stored in a different request attribute.

One example of a route definition is given below.

defaults:
_form:
Drupal\example\Form\ExampleForm;

Parameters

\Drupal\Core\Routing\RouteMatchInterface $route_match: The route match object from which to extract a form definition string.

Return value

string The form definition string.

1 call to FormController::getFormArgument()

FormController::getContentResult in core/lib/Drupal/Core/Controller/FormController.php

Invokes the form and returns the result.

5 methods override FormController::getFormArgument()

HtmlEntityFormController::getFormArgument in core/lib/Drupal/Core/Entity/HtmlEntityFormController.php

Extracts the form argument string from a request.

HtmlFormController::getFormArgument in core/lib/Drupal/Core/Controller/HtmlFormController.php

Extracts the form argument string from a request.

LayoutBuilderDecorationTestHtmlEntityFormController::getFormArgument in core/modules/layout_builder/tests/modules/layout_builder_decoration_test/src/Controller/LayoutBuilderDecorationTestHtmlEntityFormController.php

Extracts the form argument string from a request.

LayoutBuilderHtmlEntityFormController::getFormArgument in core/modules/layout_builder/src/Controller/LayoutBuilderHtmlEntityFormController.php

Extracts the form argument string from a request.

WorkspacesHtmlEntityFormController::getFormArgument in core/modules/workspaces/src/Controller/WorkspacesHtmlEntityFormController.php

Extracts the form argument string from a request.

File

core/lib/Drupal/Core/Controller/FormController.php, line 94

Class

FormController

Common base class for form interstitial controllers.

Namespace

Drupal\Core\Controller

Code

abstract protected function getFormArgument(RouteMatchInterface $route_match);

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