socket-io client in php for sails.js. NOT WORKING!

sails-php-client

<?php
require_once('HTTP/Request2.php'); // sudo pear install HTTP_Request2
require( __DIR__ . '/vendor/wisembly/elephant.io/lib/ElephantIO/Client.php');
use ElephantIO\Client as ElephantIOClient; // sudo apt-get install php5-curl

function get_cookie($request) {
  $request->setMethod( HTTP_Request2::METHOD_GET);
  $request->setCookieJar(true);
  try {
      $response = $request->send();
      if (200 == $response->getStatus()) {
          $cookie = $response->getCookies()[0];
          $request->setCookie($cookie["name"], $cookie["value"]);
          $request->setHeader('cookie', $cookie["name"].'='.$cookie["value"]);
          return $cookie;
      } else {
          echo 'Unexpected HTTP status: ' . $response->getStatus() . ' ' .
               $response->getReasonPhrase();
          return false;
      }
  } catch (HTTP_Request2_Exception $e) {
      echo 'Error: ' . $e->getMessage();
  }
  return false;
}

function request($request) {
  $request->setMethod(HTTP_Request2::METHOD_POST);

  try {
      $response = $request->send();
      if (200 == $response->getStatus()) {
          //echo $response->getBody();
          return true;
      } else {
          echo 'Unexpected HTTP status: ' . $response->getStatus() . ' ' .
               $response->getReasonPhrase();
          return false;
      }
  } catch (HTTP_Request2_Exception $e) {
      echo 'Error: ' . $e->getMessage();
  }
  return false;
}

$url = "http://localhost:1337";
$request = new HTTP_Request2($url);
$cookie = get_cookie($request);
$socket_url = $url."?cookie=".$cookie["value"];
print ($socket_url);

$elephant = new ElephantIOClient($socket_url, 'socket.io', 1, false, true, true);

$elephant->init();
$elephant->send(
    ElephantIOClient::TYPE_EVENT,
    null,
    null,
    json_encode(array('name' => 'action', 'args' => 'foo'))
);
$elephant->close();

echo 'tryin to send `foo` to the event called action';