} elseif (empty($password) || empty($pwdConfirm)) {
header("HTTP/1.0 401 Invalid submitted data");
echo '{"status":"fail", "message":"Password or confirm password fields cannot be empty."}';
} elseif (empty($email)) {
header("HTTP/1.0 401 Invalid submitted data");
echo '{"status":"fail", "message":"Email field cannot be empty, or it is not a valid email address"}';
} elseif ($password !== $pwdConfirm) {
header("HTTP/1.0 401 Invalid submitted data");
echo '{"status":"fail","message":"Passwords donot match."}';
} elseif (strlen($password) < 7) {
header("HTTP/1.0 401 Invalid submitted data");
echo '{"status":"fail", "message":"Passwords should be at least 7 characters long."}';
} elseif (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
header("HTTP/1.0 401 Invalid submitted data");
echo '{"status":"fail", "message":"Please input valid email address!"}';
} elseif ($db->isConnected()) {
// let's make sure user doesn't exists
$pdo = $db->getConnection();
$query = $pdo->prepare("SELECT user_name from users WHERE user_name = :username");
$query->bindValue(':username', $username, PDO::PARAM_STR);
$query->execute();
$result = $query->fetchAll();
if (count($result) > 0 || count($errors) > 0) {
header("HTTP/1.0 401 Invalid submitted data");
echo '{"status":"fail", "message":"Please make sure your password or username are valids"}';
//json_encode($errors);
} else {
// check to see if we don't have errors
try {
$options = ['cost' => 12];
$user_password_hash = password_hash($password, PASSWORD_BCRYPT, $options);
