function FormStateInterface::prepareCallback

Same name in other branches
  1. 9 core/lib/Drupal/Core/Form/FormStateInterface.php \Drupal\Core\Form\FormStateInterface::prepareCallback()
  2. 8.9.x core/lib/Drupal/Core/Form/FormStateInterface.php \Drupal\Core\Form\FormStateInterface::prepareCallback()
  3. 10 core/lib/Drupal/Core/Form/FormStateInterface.php \Drupal\Core\Form\FormStateInterface::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.

2 methods override FormStateInterface::prepareCallback()
FormState::prepareCallback in core/lib/Drupal/Core/Form/FormState.php
Converts support notations for a form callback to a valid callable.
FormStateDecoratorBase::prepareCallback in core/lib/Drupal/Core/Form/FormStateDecoratorBase.php
Converts support notations for a form callback to a valid callable.

File

core/lib/Drupal/Core/Form/FormStateInterface.php, line 633

Class

FormStateInterface
Provides an interface for an object containing the current state of a form.

Namespace

Drupal\Core\Form

Code

public function prepareCallback($callback);

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