function crumbs_Admin_ElementObject_WeightsExpansible::value_callback in Crumbs, the Breadcrumbs suite 7.2

Callback for $element['#value_callback']

Parameters

array $element:

array|bool $input:

array $form_state:

Return value

array

Overrides crumbs_Admin_ElementObject_Abstract::value_callback

File

lib/Admin/ElementObject/WeightsExpansible.php, line 13

Class

crumbs_Admin_ElementObject_WeightsExpansible

Code

function value_callback(&$element, $input = FALSE, $form_state = array()) {
  if ($input === FALSE) {
    return isset($element['#default_value']) ? $element['#default_value'] : array();
  }
  else {
    $weights = array();

    // Make sure that all weights are distinct and positive.
    asort($input);
    $i = 0;
    foreach ($input as $key => $weight) {
      if (is_numeric($weight)) {
        $weights[$key] = ++$i;
      }
      elseif ('disabled' === $weight) {
        $weights[$key] = FALSE;
      }
    }
    return $weights;
  }
}