function FormElementBase::valueCallback

Same name and namespace in other branches
  1. 11.x core/lib/Drupal/Core/Render/Element/FormElementBase.php \Drupal\Core\Render\Element\FormElementBase::valueCallback()
  2. 10 core/lib/Drupal/Core/Render/Element/FormElementBase.php \Drupal\Core\Render\Element\FormElementBase::valueCallback()
1 method overrides FormElementBase::valueCallback()
ManagedFile::valueCallback in core/modules/file/src/Element/ManagedFile.php
Determines how user input is mapped to an element's #value property.

File

core/lib/Drupal/Core/Render/Element/FormElementBase.php, line 102

Class

FormElementBase
Provides a base class for form element plugins.

Namespace

Drupal\Core\Render\Element

Code

public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
  return NULL;
}

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