public static function secureCookieTreeTwo::delete_node in Secure Cookie Data 7.2

Removes a certain node from the tree stored as cookie data.

Parameters

array $element: Specification of the element to delete.

object $data: The data tree as an object.

Return value

nothing Side effects only.

1 call to secureCookieTreeTwo::delete_node()

secure_cookie_data_tree_two_delete in modules/secure_cookie_data_tree_two.module

Delete the node of a tree.

File

modules/secure_cookie_data_tree_two.class.inc, line 92

secure_cookie_data_tree_two.class.inc @author António P. P. Almeida <appa@perusio.net> @date Mon Dec 2 11:59:02 2013

Class

secureCookieTreeTwo

@file secure_cookie_data_tree_two.class.inc @author António P. P. Almeida <appa@perusio.net> @date Mon Dec 2 11:59:02 2013

Code

public static function delete_node($element, $data = NULL) {

  // Get the cookie data if not given.
  if (empty($data)) {
    $cookie_data = self::get();
  }
  else {
    $cookie_data = $data;
  }

  // Get the element description to know at which depth a tree branch should
  // be pruned.
  $keys = array_keys($element);

  // Check to see if we are at the first or at the second level and proceed
  // accordingly.
  if (in_array('label_level1', $keys)) {
    if (isset($cookie_data->data->{$element}[$element['label_level0']]->{$element}['label_level1'])) {
      unset($cookie_data->data->{$element}[$element['label_level0']]->{$element}['label_level1']);
    }
  }
  elseif (in_array('label_level0', $keys)) {
    if (isset($cookie_data->data->{$element}[$element['label_level0']])) {
      unset($cookie_data->data->{$element}[$element['label_level0']]);
    }
  }
  elseif (count($keys) == 1 && $keys[0] == 'ALL' && $element['ALL']) {
    if (isset($cookie_data)) {
      self::delete();
    }
  }
  else {
    return FALSE;
  }

  // Set the cookie without the deleted node.
  self::set_tree($cookie_data);
}