FormStateDecoratorBase::prepareCallback

public FormStateDecoratorBase::prepareCallback($callback)

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