<?php
require_once 'includes/QBCoref.class.php';
$qbc = new QBCoref();
$qbc->logout();
// initialize variables
$username = "";
$firstname = "";
$lastname = "";
$email = "";
if (!empty($_POST['action']) && $_POST['action'] == "register") {
$username = filter_input(INPUT_POST, 'username', FILTER_SANITIZE_STRING);
$firstname = filter_input(INPUT_POST, 'first-name', FILTER_SANITIZE_STRING);
$lastname = filter_input(INPUT_POST, 'last-name', FILTER_SANITIZE_STRING);
$email = $_POST['email'];
$errors = array();
if (empty($username)) {
$errors[] = "Please include a username.";
} else {
if ($username != $_POST['username']) {
$errors[] = "Invalid characters, please pick another username.";
} else {
if (!$qbc->isUsernameUnique($username)) {
$errors[] = "Duplicate username detected, please try another username.";
}
}
}
if (empty($_POST['password'])) {
$errors[] = "Password can not be empty.";
} else {
if ($_POST['password'] != $_POST['password-confirm']) {
