Test PHP script for calling login method on SuiteCRM's REST API

suitecrm_rest_login.php

<?php

    $url = "http://{hostname}/service/v4_1/rest.php";
    $username = "username";
    $password = "password";

    ob_start();
    $curl_request = curl_init();

    curl_setopt($curl_request, CURLOPT_URL, $url);
    curl_setopt($curl_request, CURLOPT_POST, 1);
    curl_setopt($curl_request, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0);
    curl_setopt($curl_request, CURLOPT_HEADER, 1);
    curl_setopt($curl_request, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($curl_request, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl_request, CURLOPT_FOLLOWLOCATION, 0);

    $parameters = array(
         "user_auth" => array(
              "user_name" => $username,
              "password" => md5($password),
              "version" => "1"
         ),
         "application_name" => "RestTest",
         "name_value_list" => array(),
    );

    $jsonEncodedData = json_encode($parameters);

    $post = array(
         "method" => 'login',
         "input_type" => "JSON",
         "response_type" => "JSON",
         "rest_data" => $jsonEncodedData
    );

    curl_setopt($curl_request, CURLOPT_POSTFIELDS, $post);
    $result = curl_exec($curl_request);
    curl_close($curl_request);

    $result = explode("\r\n\r\n", $result, 2);
    $response = json_decode($result[1]);
    ob_end_flush();

    $session_id = $response->id;
    print($session_id);

?>