<pre>Array
(
    [lang] => en
    [category] => 
    [subcategory] => 
    [product] => sft-it-memdrvopt640gb
    [id_product] => 4951
)
</pre>string(21) "sft-it-memdrvopt640gb"

string(21) "sft-it-memdrvopt640gb"

string(4) "4951"