I need to retrieve all values of some multiselect attributes that each of my products have. I found related posts but none of them seems to solve my problem.
For example I found the code
But I don't know where should I get $_product from. I guess it's a simple task, but I am pretty new to Magento and I'm still discovering how it works.
I am using Magento 1.7. Any help is much appreciated :-)