ThreeScaleClient::authorize_with_user_key PHP Метод

    public function authorize_with_user_key($userKey, $serviceId = null, $usage = null)
    {
        $url = "http://" . $this->getHost() . "/transactions/authorize.xml";
        $params = array('provider_key' => $this->getProviderKey(), 'user_key' => $userKey);
        if ($serviceId) {
            $params['service_id'] = $serviceId;
        }
        if ($usage) {
            $params['usage'] = $usage;
        }
        $httpResponse = $this->httpClient->get($url, $params);
        if (self::isHttpSuccess($httpResponse)) {
            return $this->buildAuthorizeResponse($httpResponse->body);
        } else {
            return $this->processError($httpResponse);
        }
    }

<?php

require_once 'lib/ThreeScaleClient.php';
$client = new ThreeScaleClient("YOUR_PROVIDER_KEY");
$response = $client->authorize_with_user_key($_GET["user_key"]);
function speech_app_list()
{
    //normally this info would be pulled from a database.
    //build JSON array
    //report against metric
    global $client;
    $client->report(array(array('user_key' => $_GET["user_key"], 'usage' => array('speech' => 1))));
    $app_list = array(array("id" => 1, "name" => "Web Demo"), array("id" => 2, "name" => "Audio Countdown"), array("id" => 3, "name" => "The Tab Key"), array("id" => 4, "name" => "Music Sleep Timer"));
    return $app_list;
}
function enroll_app_list()
{
    //normally this info would be pulled from a database.
    //build JSON array
    //report against metric
    global $client;
    $client->report(array(array('user_key' => $_GET["user_key"], 'usage' => array('enroll' => 1))));
    $app_list = array(array("id" => 1, "name" => "Enroll abc"), array("id" => 2, "name" => "Enroll efg"), array("id" => 3, "name" => "Enroll mnp"), array("id" => 4, "name" => "Enroll xyz"));
    return $app_list;
}
if ($response->isSuccess()) {
    $possible_url = array("speech_list", "enroll_list");
    $value = "An error has occurred";
    if (isset($_GET["action"]) && in_array($_GET["action"], $possible_url)) {
        switch ($_GET["action"]) {
            case "speech_list":