Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Form/FormStateDecoratorBase.php \Drupal\Core\Form\FormStateDecoratorBase::prepareCallback()
2. 8.9.x core/lib/Drupal/Core/Form/FormStateDecoratorBase.php \Drupal\Core\Form\FormStateDecoratorBase::prepareCallback()
3. 10 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 709

Class

FormStateDecoratorBase

Decorates another form state.

Namespace

Drupal\Core\Form

Code

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

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