public function FormState::prepareCallback in Drupal 10

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Form/FormState.php \Drupal\Core\Form\FormState::prepareCallback()
2. 9 core/lib/Drupal/Core/Form/FormState.php \Drupal\Core\Form\FormState::prepareCallback()

File

core/lib/Drupal/Core/Form/FormState.php, line 1148

Class

FormState

Stores information about the state of a form.

Namespace

Drupal\Core\Form

Code

public function prepareCallback($callback) {
  if (is_string($callback) && substr($callback, 0, 2) == '::') {
    $callback = [
      $this
        ->getFormObject(),
      substr($callback, 2),
    ];
  }
  return $callback;
}