This is a sample PHP code for adding a new user.

Account Service - User - POST

<?php

require_once "rest_client.php";

//Sandbox
//$root_url = "connect.sandbox.mimeo.com/2010/09/";
$user_name = "[user name]";
$password = "[user password]";

//Live
$root_url = "connect.mimeo.com/2010/09/";
$user_name = "[user name]";
$password = "[user password]";

$rest = new RESTclient($root_url,$user_name,$password);

$inputs = array();
$inputs["Email"] = "info@dot.com";
$inputs["Password"] = "password";
$inputs["FirstName"] = "First Name";
$inputs["LastName"] = "Last Name";
$inputs["DaytimePhoneNumber"] = "555-555-5555";

$url = "AccountService/user?new=true";
$rest->createRequest($url,"POST",$inputs);
$rest->sendRequest();
$output = $rest->getResponseBody();

//echo $output;
?>