shopId = $shop_id; } private function showGoods(): string { if ($this->categoryType) { $stmt = DBPDO::$db->ofetchAll('select * from items inner join trade_offers on id = shop_item_id where shop_id = ? and shop_item_quantity !=0 and item_type = ?', [$this->shopId, $this->categoryType]); } else { $stmt = DBPDO::$db->ofetchAll('select * from items inner join trade_offers on id = shop_item_id where shop_id = ? and shop_item_quantity !=0', $this->shopId); } $iteminfo = []; foreach ($stmt as $item) { $iteminfo[] = new ShopItem($item, 'buyshop'); } return $this->strFromArr($iteminfo); } private function showUserSellItems(): string { $stmt = DBPDO::$db->ofetchall('select * from inventory where on_sale = 0 and dressed_slot = 0 and durability > 0 and owner_id = ?', User::$current->getId()); $iteminfo = []; foreach ($stmt as $item) { $iteminfo[] = new ShopItem($item, 'sellshop'); } return $this->strFromArr($iteminfo); } private function strFromArr(array $array): string { $str = ''; $format = '