gistfile1.php

<?php
session_start();
require_once('lib.php');

/**
 * So you can check with javascript something like
 * if (data.type == 'error') // Hasn't worked
 * if (data.type == 'success') // Work with data.value (this will be person)
 */
$response = ['type' => 'error'];

if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {

    if (!empty($_POST) && isset($_POST['email']) && isset($_POST['passwd']) && isset($_POST['partnerId'])) {
        $person = authenticate($_POST['email'], $_POST['passwd'], $_POST['partnerId']);
    }

    // Person is empty or false
    if (!$person) {

        $_SESSION = [];
        session_destroy();

    } else { // This "login" stuff

        $_SESSION['user'] = $person['email_user_id'];
        $_SESSION['person'] = $person;
        $_SESSION['sid'] = base64_encode($person['email_user_id']);
        $_SESSION['psid'] = base64_encode($person['person_id']);

        $response = [
            'type' => 'success',
            'value' => $person
        ];
    }
}

echo json_encode($response);


?>