fuel/fuel/core/classes/session/driver.php
public function delete_flash($name)
	{
		if (is_null($name))
		{
			$this->flash = array();
		}
		elseif (isset($this->flash[$this->config['flash_id'].'::'.$name]))
		{
			unset($this->flash[$this->config['flash_id'].'::'.$name]);
		}

		return $this;
	}
public function delete_flash($name)
	{
		if (is_null($name))
		{
			$this->flash = array();
		}
		elseif (isset($this->flash[$this->config['flash_id'].'::'.$name]))
		{
			unset($this->flash[$this->config['flash_id'].'::'.$name]);
		}

		return $this;
	}
public function delete_flash ( $ name ) { if ( is_null ( $ name ) ) { $ this -> flash = array ( ) ; } elseif ( isset ( $ this -> flash [ $ this -> config [ 'flash_id' ] . '::' . $ name ] ) ) { unset ( $ this -> flash [ $ this -> config [ 'flash_id' ] . '::' . $ name ] ) ; } return $ this ; }
delete session flash variables

@param	string	name of the variable to delete
@param	mixed	value
@access	public
@return	Fuel\Core\Session_Driver
delete session flash variables