public function FormStateDecoratorBase::prepareCallback in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Form/FormStateDecoratorBase.php \Drupal\Core\Form\FormStateDecoratorBase::prepareCallback()

Converts support notations for a form callback to a valid callable.

Specifically, supports methods on the form/callback object as strings when they start with ::, for example "::submitForm()".

Parameters

string|array $callback: The callback.

Return value

array|string A valid callable.

Overrides FormStateInterface::prepareCallback

File

core/lib/Drupal/Core/Form/FormStateDecoratorBase.php, line 695

Class

FormStateDecoratorBase

Decorates another form state.

Namespace

Drupal\Core\Form

Code

public function prepareCallback($callback) {
  return $this->decoratedFormState
    ->prepareCallback($callback);
}