battles/register.php

<?php

use Battles\Template, Battles\Database\Db;

require_once "config.php";

if ($_COOKIE[GAMEDOMAIN] ?? null) {
    $error = "Не больше одной регистрации в час!";
} else {
    $login = $_POST['login'] ?? null;
    $password = isset($_POST['psw']) ? password_hash($_POST['psw'], PASSWORD_DEFAULT) : null;
    $birthday = $_POST['birthday'] ?? null;
    $email = filter_input(INPUT_POST, 'email', FILTER_VALIDATE_EMAIL);
    $law = filter_input(INPUT_POST, 'law', FILTER_VALIDATE_BOOLEAN);
    $law2 = filter_input(INPUT_POST, 'law2', FILTER_VALIDATE_BOOLEAN);

    if ($login && $password && $email && $birthday && $law && $law2) {
        $newUser = new class {
            public static function addUser(string $login, string $password, string $email, string $birthday): bool
            {
                if (Db::getInstance()->ofetch('SELECT 1 FROM users WHERE login = ? OR email = ?', [$login, $email])) {
                    return false;
                }
                Db::getInstance()->execute('INSERT INTO users (login,pass,email,borndate,ip,session_id,shadow) 
                              VALUES (?,?,?,?,?,?,?)', [$login, $password, $email, $birthday, $_SERVER['REMOTE_ADDR'], session_id(), '0.png']);
                $userId = Db::getInstance()->lastInsertId();
                Db::getInstance()->execute('INSERT INTO online (user_id, login_time, room, real_time) VALUES (?,?,1,?)', [$userId, time(), time()]);
                Db::getInstance()->execute('INSERT INTO bank (user_id) VALUES ?', $userId);
                setcookie(GAMEDOMAIN, $userId, time() + 3600);
                setcookie("battle", time());
                $_SESSION['uid'] = $userId;
                $_SESSION['sid'] = session_id();
                return true;
            }
        };

        $newUser::addUser($login, $password, $email, $birthday);
        header('Location: fight.php');
        exit;
    }
}
Template::header('Регистрация персонажа');
?>
    <a href="/"> ← на главную</a>
<?php if (isset($error)): ?>
    <h3><?= $error ?></h3>
<?php else: ?>
    <h1>Регистрация</h1>
    <form method="post">
        <label>
            <input required name="login" placeholder='Имя персонажа'> Имя персонажа.
        </label><br>
        <label>
            <input required name="email" type=email placeholder='Электронная почта'> Электронная почта.
        </label><br>
        <label>
            <input required name="psw" type=text placeholder='Пароль'> Пароль.
        </label><br>
        <label for="bday">Дата рождения:</label><br>
        <input required id="bday" name="birthday" type='date' min=1970-01-01 max=2010-01-01><br>
        <input required id="law" name="law" type=checkbox> <label for="law">Это мой единственный персонаж!</label><br>
        <input required id="law2" name="law2" type=checkbox> <label for="law2">Я согласен на любые
            условия, давайте играть!</label><br>
        <input type=submit value=Зарегистрироваться>
    </form>
<?php endif; ?>