curl memory leak test

test.php

<?php
require_once 'HTTP/Request2.php';
function req()
{
    $http = new HTTP_Request2("https://google.com/");

    $http->setConfig(array(
        'follow_redirects' => true,
        'max_redirects'    => 5,
        'timeout'          => 10,
        'ssl_verify_peer'  => false,
        'ssl_verify_host'  => true,
    ));
    $http->setAdapter('curl');
    $http->setMethod(HTTP_Request2::METHOD_GET);

    $response = $http->send();

    return $response->getBody();
}

req();