$firstBasketItem->setCategory2("Accessories");
$firstBasketItem->setItemType(\Iyzipay\Model\BasketItemType::PHYSICAL);
$firstBasketItem->setPrice("0.3");
$firstBasketItem->setSubMerchantKey("sub merchant key");
$firstBasketItem->setSubMerchantPrice("0.27");
$basketItems[0] = $firstBasketItem;
$secondBasketItem = new \Iyzipay\Model\BasketItem();
$secondBasketItem->setId("BI102");
$secondBasketItem->setName("Game code");
$secondBasketItem->setCategory1("Game");
$secondBasketItem->setCategory2("Online Game Items");
$secondBasketItem->setItemType(\Iyzipay\Model\BasketItemType::VIRTUAL);
$secondBasketItem->setPrice("0.5");
$secondBasketItem->setSubMerchantKey("sub merchant key");
$secondBasketItem->setSubMerchantPrice("0.42");
$basketItems[1] = $secondBasketItem;
$thirdBasketItem = new \Iyzipay\Model\BasketItem();
$thirdBasketItem->setId("BI103");
$thirdBasketItem->setName("Usb");
$thirdBasketItem->setCategory1("Electronics");
$thirdBasketItem->setCategory2("Usb / Cable");
$thirdBasketItem->setItemType(\Iyzipay\Model\BasketItemType::PHYSICAL);
$thirdBasketItem->setPrice("0.2");
$thirdBasketItem->setSubMerchantKey("sub merchant key");
$thirdBasketItem->setSubMerchantPrice("0.18");
$basketItems[2] = $thirdBasketItem;
$request->setBasketItems($basketItems);
# make request
$payment = \Iyzipay\Model\Payment::create($request, Config::options());
# print result
print_r($payment);
<?php
require_once 'config.php';
# create request class
$request = new \Iyzipay\Request\RetrievePaymentRequest();
$request->setLocale(\Iyzipay\Model\Locale::TR);
$request->setConversationId("123456789");
$request->setPaymentId("1");
$request->setPaymentConversationId("123456789");
# make request
$payment = \Iyzipay\Model\Payment::retrieve($request, Config::options());
# print result
print_r($payment);