battles/classes/Battles/Models/User/Stats.php

<?php
# Date: 23.02.2022 (2:32)
namespace Battles\Models\User;

use Battles\Database\Db;

class Stats
{
    /**
     * @param int|string $user
     */
    public static function getAll($user)
    {
        $col = ctype_digit(strval($user)) ? 'id' : 'login';
        return Db::getInstance()->ofetch('select id, strength, dexterity, intuition, endurance, intelligence, wisdom, health, mana, free_stat_points, level from users where ' . $col . ' = ?', $user);
    }

    public static function addOne(string $stat, int $userId)
    {

        Db::getInstance()->execute(
            "UPDATE
                users
            SET
                $stat = $stat + 1,
                free_stat_points = free_stat_points - 1
            WHERE
                id = ?",
            $userId
        );
    }

    public static function save(array $vars)
    {
        Db::getInstance()->execute(
            'update
                users
            set
                strength = ?,
                dexterity = ?,
                intuition = ?,
                endurance = ?,
                intelligence = ?,
                wisdom = ?,
                health = ?,
                mana = ?,
                free_stat_points = ?,
                level = ?
            where
                id = ?',
            $vars
        );
    }
}