<form>
            username: <input type="text" name="username" value="<?php 
if (isset($_REQUEST['username'])) {
    echo htmlspecialchars($_REQUEST['username']);
}
?>
"><br/>
            passwordHash: <input type="text" name="passwordHash" value="<?php 
if (isset($_REQUEST['passwordHash'])) {
    echo htmlspecialchars($_REQUEST['passwordHash']);
}
?>
"><br/>
    <input type="submit">
<input type="hidden" name="go">
</form>
<?php 
include '../infusionsoft.php';
include 'testUtils.php';
if (isset($_REQUEST['go'])) {
    $out = Infusionsoft_DataService::authenticateUser($_REQUEST['username'], $_REQUEST['passwordHash']);
    var_dump($out);
}