fuel/fuel/core/classes/session/driver.php
protected function _cleanup_flash()
	{
		foreach($this->flash as $key => $value)
		{
			if ($value['state'] === 'expire')
			{
				unset($this->flash[$key]);
			}
		}
	}
protected function _cleanup_flash()
	{
		foreach($this->flash as $key => $value)
		{
			if ($value['state'] === 'expire')
			{
				unset($this->flash[$key]);
			}
		}
	}
protected function _cleanup_flash ( ) { foreach ( $ this -> flash as $ key => $ value ) { if ( $ value [ 'state' ] === 'expire' ) { unset ( $ this -> flash [ $ key ] ) ; } } }
removes flash variables marked as old

@access	private
@return  void
removes flash variables marked as old