415    * @param Array $params provide custom parameters
418   public function getLoginUrl($params=array()) {  argument
432       ), $params)
442    * @param Array $params provide custom parameters
445   public function getLogoutUrl($params=array()) {  argument
452       ), $params)
464    * @param Array $params provide custom parameters
467   public function getLoginStatusUrl($params=array()) {  argument
477       ), $params)
484    * @param Array $params the API call parameters
499    * @param Array $params method call object
503   protected function _restserver($params) {  argument
505     $params['api_key'] = $this->getAppId();
506     $params['format'] = 'json-strings';
509       $this->getApiUrl($params['method']),
510       $params
525    * @param Array $params the query/post data
529   protected function _graph($path, $method='GET', $params=array()) {  argument
530     if (is_array($method) && empty($params)) {
531       $params = $method;
534     $params['method'] = $method; // method override as we always do a POST
538       $params
560    * @param Array $params the query/post data
564   protected function _oauthRequest($url, $params) {  argument
565     if (!isset($params['access_token'])) {
566       $params['access_token'] = $this->getAccessToken();
570     foreach ($params as $key => $value) {
572         $params[$key] = json_encode($value);
575     return $this->makeRequest($url, $params);
584    * @param Array $params the parameters to use for the POST body
588   protected function makeRequest($url, $params, $ch=null) {  argument
595       $opts[CURLOPT_POSTFIELDS] = $params;
597       $opts[CURLOPT_POSTFIELDS] = http_build_query($params, null, '&');
864   protected function getUrl($name, $path='', $params=array()) {  argument
872     if ($params) {
873       $url .= '?' . http_build_query($params, null, '&');
894       $params = array();
895       parse_str($parts['query'], $params);
897         unset($params[$key]);
899       if (!empty($params)) {
900         $query = '?' . http_build_query($params, null, '&');
918    * @param Array $params the parameters to sign
922   protected static function generateSignature($params, $secret) {  argument
924     ksort($params);
928     foreach($params as $key => $value) {