/**
* Send an event into a running Tropo session.
*
* @param string $session_id
* @param string $event
*
* @return bool
* @throws \Exception
*
*/
public function sendEvent($session_id, $event)
{
$url = $this->base . '%session_id%/signals?action=signal&value=%value%';
$url = str_replace(array('%session_id%', '%value%'), array($session_id, $event), $url);
curl_setopt($this->ch, CURLOPT_URL, $url);
curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($this->ch);
$error = curl_error($this->ch);
parent::__destruct();
if ($result === false) {
throw new Exception('An error occurred: ' . $error);
} else {
if (strpos($result, self::EventResponse) === false) {
throw new Exception('An error occurred: Tropo event injection failed.');
}
return true;
}
}
/**
* Launch a new Tropo session.
*
* @param string $token
* @param array $params
*
* @return bool
*
* @throws \Exception
*/
public function createSession($token, array $params = null)
{
$querystring = '';
if (isset($params)) {
foreach ($params as $key => $value) {
@($querystring .= '&' . urlencode($key) . '=' . urlencode($value));
}
}
curl_setopt($this->ch, CURLOPT_URL, $this->base . 'sessions?action=create&token=' . $token . $querystring);
curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($this->ch);
$error = curl_error($this->ch);
parent::__destruct();
//check result and parse
if ($result === false or !($xml = new SimpleXMLElement($result))) {
throw new Exception('An error occurred: ' . $error);
} else {
if (!($xml->success == 'true')) {
throw new Exception('An error occurred: Tropo session launch failed.');
}
return trim((string) $xml->id);
}
}
public function __destruct()
{
parent::__destruct();
}
