How to detect id of product which was added to wishlist?

[Astolfo]

I'm creating the wishlist module, and need to add id of product which was been selected by user.How I can do this?(I'm using Prestashop 1.7 and hook displayProductPriceBlock)

[Guest]

?????

$id_wishlist = $this->context->cookie->id_wishlist;

...

 

$id_wishlist = (int)$wishlists[0]['id_wishlist'];

Edited December 16, 2020 by Guest (see edit history)

[Astolfo]

I do not understand what caused such a surprise, but can you please explain what is written here and describe in more detail?

Thank you