$pass = $_POST['pass'];
$pass2 = $_POST['pass2'];
$email = $_POST['email'];
/******** CHECK PASSWORDS **********/
if (strlen($pass) < 8) {
    echo "*Please insert a password equal or longer than 8 characters.";
    exit;
}
if ($pass2 !== $pass) {
    echo "*Please insert equal passwords.";
    exit;
}
/********** CHECK EMAIL *********/
$data = new MysqlConnector();
$data->connectMysql();
if ($data->isRegistered($email)) {
    echo "*Email already exists.";
    exit;
}
/************ CHECK PICTURE ************/
$img_name = $_FILES['imgToUpdate']['name'];
if ($img_name !== "") {
    //Check if the file is bigger than 300kb
    if ($_FILES['imgToUpdate']['size'] > 300000) {
        echo "*Please insert a picture with a size smaller than 300Kb.";
        exit;
    }
    \Cloudinary::config(getCloudinaryCredentials());
    $img_url = \Cloudinary\Uploader::upload($_FILES['imgToUpdate']['tmp_name'], array("crop" => "lfill", "width" => "400", "height" => "400"));
    $img_url = $img_url['url'];
}