public function getAuthCodeRequestParam($key, $default = null)
    {
        if (array_key_exists($key, $this->authCodeRequestParams)) {
            return $this->authCodeRequestParams[$key];
        }

        return $default;
    }
public function getAuthCodeRequestParam($key, $default = null)
    {
        if (array_key_exists($key, $this->authCodeRequestParams)) {
            return $this->authCodeRequestParams[$key];
        }

        return $default;
    }
public function getAuthCodeRequestParam ( $ key , $ default = null ) { if ( array_key_exists ( $ key , $ this -> authCodeRequestParams ) ) { return $ this -> authCodeRequestParams [ $ key ] ; } return $ default ; }
Get a single parameter from the auth code request parameters.

@param $key
@param null $default

@return mixed
Get a single parameter from the auth code request parameters .