DarkPlanets Ammo not buy :v

<?php
require_once '../KERNEL-DOCMS/Init.php';
if (isset($_SESSION['server1']['user']['sessionId'])) {
if (isset($_SESSION['pid']) && isset($_SESSION['uid'])) {
$shop->setId($_SESSION['uid'], $_SESSION['pid'], $Users->DataRow['premium']);
$base->setId($_SESSION['uid'], $_SESSION['pid'], $Users->DataRow['premium']);
} else {
$Users->checkSession();
$_SESSION['pid'] = $Users->DataRow['playerID'];
$_SESSION['uid'] = $Users->DataRow['ID'];
$shop->setId($_SESSION['uid'], $_SESSION['pid'], $Users->DataRow['premium']);
$base->setId($_SESSION['uid'], $_SESSION['pid'], $Users->DataRow['premium']);
}
if (isset($_POST['action']) && $_POST['action'] == "purchase") {
$shop->HangarId();
if (isset($_POST['category']) && $_POST['category'] == "ship") {
if($_POST['itemId']==13):
echo $shop->ship(70);
elseif($_POST['itemId']==12):
echo $shop->ship(49);
elseif($_POST['itemId']==11):
echo $shop->ship(69);
else:
echo $shop->ship($_POST['itemId']);
endif;
}elseif(isset($_POST['category']) && $_POST['category'] == "weapon"){
echo $shop->guns($_POST['amount'], $_POST['itemId']);
}elseif(isset($_POST['category']) && $_POST['category'] == "battery" OR $_POST['category'] == "rocket"){
echo $shop->battery($_POST['amount'], $_POST['itemId']);
}elseif(isset($_POST['category']) && $_POST['category'] == "pet" OR $_POST['itemId'] == "pet_pet10"){
echo $shop->petPet($_POST['amount'], $_POST['itemId'], $_POST['selectedName']);
}elseif(isset($_POST['category']) && $_POST['category'] == "model"){
echo $shop->model($_POST['amount'], $_POST['itemId']);
}elseif(isset($_POST['category']) && $_POST['category'] == "drone"){
$w = $base->currentDrones();
if($w>=8){
$shop->money();
$noacc = '{"result":"error","message":"You can not buy more than 8 drones","userBalance":{"uridium":'.$shop->uridium.',"credits":'.$shop->credits.'},"userShip":{"laserAmmunitionSpace":342 0,"rocketSpace":100},"isShipDumpEmpty":true,"itemI d":"","hasPet":"true","category":false}';
echo $noacc;
}else{
echo $shop->drone($_POST['itemId']);
}
}elseif(isset($_POST['category']) && $_POST['category'] == "generator"){
echo $shop->generator($_POST['amount'], $_POST['itemId']);
}elseif(isset($_POST['category']) && $_POST['category'] == "special"){
echo $shop->special($_POST['amount'], $_POST['itemId']);
}
// $data = '{"result":"success","message":"Generator purchased You have free slots in your ship. Do you want to auto-equip them or send them to your inventory?","showEquipOption":true,"userBalance":{ "uridium":'.$Users->DataRow['uri'].',"credits":'.$Users->DataRow['credits'].'},"userShip":{"laserAmmunitionSpace":0,"rocketSp ace":0},"isShipDumpEmpty":true,"itemId":"equipment _generator_speed_g3n-1010","category":"generator"}';
// echo $data;
} else {
$shop->money();
$noacc = '{"result":"error","message":"No or invalid itemId!","userBalance":{"uridium":'.$shop->uridium.',"credits":'.$shop->credits.'},"userShip":{"laserAmmunitionSpace":342 0,"rocketSpace":100},"isShipDumpEmpty":true,"itemI d":"","hasPet":"true","category":false}';
echo $noacc;
}
// $data2 = '{"result":"error","message":"No or invalid itemId!","userBalance":{"uridium":0,"credits":1005 00},"userShip":{"laserAmmunitionSpace":3420,"rocke tSpace":100},"isShipDumpEmpty":true,"itemId":"","h asPet":"true","category":false}';
// $data = '{"result":"error","message":"No or invalid itemId!","userBalance":{"uridium":'.$Users->DataRow['uri'].',"credits":'.$Users->DataRow['credits'].'},"userShip":{"laserAmmunitionSpace":0,"rocketSp ace":0},"isShipDumpEmpty":false,"userPet":{"level" :8,"fuel":43156,"maxFuel":50000},"itemId":"","cate gory":false}';
//
} else {
echo 'eyJpc0Vycm9yIjoxLCAiZXJyb3IiOnsibWVzc2FnZSI6IkVyc m9yIn19';
}
?>