function form_pre_render_radio

Prepares a #type 'radio' render element for theme_input().

Parameters

array $element: An associative array containing the properties of the element. Properties used: #required, #return_value, #value, #attributes, #title, #description.

Note: The input "name" attribute needs to be sanitized before output, which is currently done by initializing Drupal\Core\Template\Attribute with all the attributes.

Return value

array The $element with prepared variables ready for theme_input().

Related topics

Form generation
Functions to enable the processing and display of HTML forms.
1 string reference to 'form_pre_render_radio'
system_element_info in drupal/core/modules/system/system.module
Implements hook_element_info().

File

drupal/core/includes/form.inc, line 2958
Functions for form and batch generation and processing.

Code

function form_pre_render_radio($element) {
  $element['#attributes']['type'] = 'radio';
  element_set_attributes($element, array(
    'id',
    'name',
    '#return_value' => 'value',
  ));
  if (isset($element['#return_value']) && $element['#value'] !== FALSE && $element['#value'] == $element['#return_value']) {
    $element['#attributes']['checked'] = 'checked';
  }
  _form_set_attributes($element, array(
    'form-radio',
  ));
  return $element;
}