function form_process_radios

Expands a radios element into individual radio elements.

Related topics

File

includes/form.inc, line 3195

Code

function form_process_radios($element) {
    if (count($element['#options']) > 0) {
        $weight = 0;
        foreach ($element['#options'] as $key => $choice) {
            // Maintain order of options as defined in #options, in case the element
            // defines custom option sub-elements, but does not define all option
            // sub-elements.
            $weight += 0.001;
            $element += array(
                $key => array(),
            );
            // Generate the parents as the autogenerator does, so we will have a
            // unique id for each radio button.
            $parents_for_id = array_merge($element['#parents'], array(
                $key,
            ));
            $element[$key] += array(
                '#type' => 'radio',
                '#title' => $choice,
                // The key is sanitized in drupal_attributes() during output from the
                // theme function.
'#return_value' => $key,
                // Use default or FALSE. A value of FALSE means that the radio button is
                // not 'checked'.
'#default_value' => isset($element['#default_value']) ? $element['#default_value'] : FALSE,
                '#attributes' => $element['#attributes'],
                '#parents' => $element['#parents'],
                '#id' => drupal_html_id('edit-' . implode('-', $parents_for_id)),
                '#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
                '#weight' => $weight,
            );
        }
    }
    return $element;
}