public function getAccessToken($oauth_verifier = null)
	{
		$parameters = [];

		if (!empty($oauth_verifier))
		{
			$parameters['oauth_verifier'] = $oauth_verifier;
		}

		parent::request('GET', parent::url($this->tconfig['ACCESS_TOKEN_URL'], ''),  $parameters);

		$response = $this->response;

		if (isset($response['code']) && $response['code'] == 200 && !empty($response))
		{
			$get_parameters = $response['response'];
			$token = [];
			parse_str($get_parameters, $token);

			// Reconfigure the tmhOAuth class with the new tokens
			$this->reconfig([
				'token'  => $token['oauth_token'],
				'secret' => $token['oauth_token_secret'],
			]);

			return $token;
		}

		throw new RunTimeException($response['response'], $response['code']);
	}