public function forget($key)
	{
		if (array_key_exists($key, $this->vars))
		{
			unset($this->vars[$key]);
		}

		return $this;
	}
public function forget($key)
	{
		if (array_key_exists($key, $this->vars))
		{
			unset($this->vars[$key]);
		}

		return $this;
	}
public function forget ( $ key ) { if ( array_key_exists ( $ key , $ this -> vars ) ) { unset ( $ this -> vars [ $ key ] ) ; } return $ this ; }
Unset a router variable

@param   string  $key  The name of the variable
@return  object
Unset a router variable