php_study.php

<?php
class StoreController extends AppController
{
  public function buy()
  {
    $customer = Customer::get(Param::get('customer_id'));
    $store = Store::get(Param::get('store_id'));
    $item = Item::get('item_id'));
    
    try {
      StoreService::purchase($customer, $item);
    } catch (Exception $e) {
      // 失敗した時の処理
    }
  }
}