public static Textfield::valueCallback(&$element, $input, FormStateInterface $form_state)
Determines how user input is mapped to an element's #value property.
Parameters
array $element: An associative array containing the properties of the element.
mixed $input: The incoming input to populate the form element. If this is FALSE, the element's default value should be returned.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
Return value
mixed The value to assign to the element.
Overrides FormElement::valueCallback
File
- core/lib/Drupal/Core/Render/Element/Textfield.php, line 73
Class
- Textfield
- Provides a one-line text field form element.
Namespace
Drupal\Core\Render\Element
Code
1 2 3 4 5 6 7 8 9 10 11 | public static function valueCallback(&$element, $input, FormStateInterface $form_state) { if ($input !== FALSE && $input !== NULL) { // This should be a string, but allow other scalars since they might be // valid input in programmatic form submissions. if (!is_scalar($input)) { $input = ''; } return str_replace(array("\r", "\n"), '', $input); } return NULL;} |
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