/**
* Make the call
*
* @param string $url API url to call
* @param array $parameters Parameters for the request
* @param bool $authenticate Shall we use authentication?
* @param bool $usePost Uses POST method instead of GET
*
* @return mixed
*
* @throws InvalidArgumentException if the type provided is not supported
* @throws TwitterApiServerException if the request fails for any reason
* @throws RuntimeException if the xml response is invalid
*/
protected function doCall($url, $parameters = array(), $authenticate = false, $usePost = true, $type = 'entity')
{
$response = $this->server->request(sprintf('%s.xml', $url), $parameters, $usePost ? 'POST' : 'GET');
switch ($type) {
case 'entity':
$dom = new DOMDocument();
$dom->loadXML($response);
return TwitterEntity::createFromXml($dom);
break;
case 'boolean':
if (!($xml = @simplexml_load_string($response))) {
throw new RuntimeException('XML error');
}
return (bool) ((string) $xml === 'true');
break;
case 'hash':
if (!($xml = @simplexml_load_string($response))) {
throw new RuntimeException('XML error');
}
return (array) $xml;
break;
case 'search_results':
return TweetCollection::createFromJSON($response);
break;
default:
throw new InvalidArgumentException(sprintf('Type "%s" is not supported', $type));
break;
}
}
