Clears out data from bag.
Return value
mixed Whatever data was contained.
Overrides SessionBagInterface::clear
File
 
   - drupal/core/vendor/symfony/http-foundation/Symfony/Component/HttpFoundation/Session/Attribute/AttributeBag.php, line 130
 
  
  Class
  
  - AttributeBag 
 
  - This class relates to session attribute storage
 
  Namespace
  Symfony\Component\HttpFoundation\Session\Attribute
Code
public function clear() {
  $return = $this->attributes;
  $this->attributes = array();
  return $return;
}