protected static function Select::addEmptyOption in Select (or other) 4.x

Same name and namespace in other branches

1. 8 src/Element/Select.php \Drupal\select_or_other\Element\Select::addEmptyOption()

Adds an empty option to the select element if required.

Parameters

array $element: The select or other element.

1 call to Select::addEmptyOption()

Select::processSelectOrOther in src/Element/Select.php

Render API callback: Expands the select_or_other element type.

File

src/Element/Select.php, line 46

Class

Select

Provides a form element with a select box and other option.

Namespace

Drupal\select_or_other\Element

Code

protected static function addEmptyOption(array &$element) {
  if (!isset($element['#no_empty_option']) || !$element['#no_empty_option']) {
    if (!$element['#required'] || empty($element['#default_value'])) {
      $element['select']['#empty_value'] = '';
    }
  }
}