MiniCRT | 程序员的自我修养--链接、装载与库: CRT 实现

I am using a 3rd party shopping cart solution that runs on a server (SellerDeck). I have some code that runs on the server to format a shopping basket with basic product data (quantity, price, name). I need to find some more data which I think is held in 2 arrays of hashes. I dont know what is contained in these 2 arrays so I would like to convert the array to a string and output via the existing code that puts it in a cookie on the client which I can then view. The 2 arrays are $pCartItem and $pProduct (see code at the bottom for how they are used).

The string $cartStr (bottom of the code) is output onto the client in a cookie by another part of the code.

I would like to covert the 2 arrays into 2 strings which can be concatenated onto $cartStr. I can then read the contents on my local pc (client). My issue is I am very unfamiliar with perl and know how to do the conversion.

I tried adding :