public function UltimateCronPlugin::cleanForm in Ultimate Cron 7.2

Clean form of empty fallback values.

File

./ultimate_cron.plugin.inc, line 422

Plugin framework for Ultimate Cron.

Class

UltimateCronPlugin

This is the base class for all Ultimate Cron plugins.

Code

public function cleanForm($elements, &$values, $parents) {
  if (empty($elements)) {
    return;
  }
  foreach (element_children($elements) as $child) {
    if (empty($child) || empty($elements[$child]) || is_numeric($child)) {
      continue;
    }

    // Process children.
    $this
      ->cleanForm($elements[$child], $values, $parents);

    // Determine relative parents.
    $rel_parents = array_diff($elements[$child]['#parents'], $parents);
    $key_exists = NULL;
    $value = drupal_array_get_nested_value($values, $rel_parents, $key_exists);

    // Unset when applicable.
    if (!empty($elements[$child]['#markup'])) {
      self::drupal_array_remove_nested_value($values, $rel_parents);
    }
    elseif ($key_exists && empty($value) && !empty($elements[$child]['#fallback']) && $value !== '0') {
      self::drupal_array_remove_nested_value($values, $rel_parents);
    }
  }
}