Walidacja hasła

namespace App\Utils\User;

class PasswordValidator {

    /**
     * function is checking that password have at least uppercase 8 chars, special symbols etc.
     *
     * @param string $password
     * 
     * @return boolean
     */
    public function validate(string $password): bool {
        $uppercase = preg_match('@[A-Z]@', $password);
        $lowercase = preg_match('@[a-z]@', $password);
        $number = preg_match('@[0-9]@', $password);
        $specialChars = preg_match('@[^\w]@', $password);

        if (!$uppercase || !$lowercase || !$number || !$specialChars || mb_strlen($password, 'utf-8') < 8) {
            return false;
        }

        return true;
    }

}