private static function
upgrade(User $user, $name, $cost = null, $what = false, $delta = 0) {
$msg = '';
if ($cost != null and $cost != Inf and $cost != 0 and $what and $delta) {
if ($user->canBuy($cost)) {
$user->buy($cost, $what, $delta);
$msg = "You have increased your $name by $delta";
$user->save();
Upgrades::$isErr = false;
}
else {
$msg = 'You do not have enough resources';
Upgrades::$isErr = true;
}
}
return $msg;
}
<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
require './database.php';
require './class/user.php';
session_start();
$user = new User($db);
$data = $user->userinfo($_SESSION['uid']);
if ($_POST['one'] * 1 + $_POST['double'] * 3 + $_POST['cash'] * 2 < $data['money']) {
$user->buy($_POST['one'], $_POST['double'], $_POST['cash'], $_SESSION['uid']);
echo 'Success!';
} else {
echo 'Failure!';
}
