/**
* Create VK OAuth response instance
* @param string $string response data
* @return Code|Error|Token|null response instance
*/
public static function createResponse($string)
{
$data = parse_url($string, PHP_URL_QUERY | PHP_URL_FRAGMENT);
switch (true) {
case isset($data['fragment']):
return Token::initializeByString($data['fragment']);
case isset($data['query']) && strpos($data['query'], 'error=') !== false:
return Error::initializeByString($data['query']);
case isset($data['query']) && strpos($data['query'], 'error=') === false:
return Code::initializeByString($data['query']);
}
}
