function FormElement::valueCallback

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Render/Element/FormElement.php \Drupal\Core\Render\Element\FormElement::valueCallback()
  2. 10 core/lib/Drupal/Core/Render/Element/FormElement.php \Drupal\Core\Render\Element\FormElement::valueCallback()
  3. 11.x core/lib/Drupal/Core/Render/Element/FormElement.php \Drupal\Core\Render\Element\FormElement::valueCallback()

Overrides FormElementInterface::valueCallback

16 methods override FormElement::valueCallback()
Checkbox::valueCallback in core/lib/Drupal/Core/Render/Element/Checkbox.php
Determines how user input is mapped to an element's #value property.
Checkboxes::valueCallback in core/lib/Drupal/Core/Render/Element/Checkboxes.php
Determines how user input is mapped to an element's #value property.
Datelist::valueCallback in core/lib/Drupal/Core/Datetime/Element/Datelist.php
Validates the date type to adjust 12 hour time and prevent invalid dates. If the date is valid, the date is set in the form.
Datetime::valueCallback in core/lib/Drupal/Core/Datetime/Element/Datetime.php
Determines how user input is mapped to an element's #value property.
File::valueCallback in core/lib/Drupal/Core/Render/Element/File.php
Determines how user input is mapped to an element's #value property.

... See full list

File

core/lib/Drupal/Core/Render/Element/FormElement.php, line 99

Class

FormElement
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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