<pre>Array
(
    [lang] => en
    [category] => 
    [subcategory] => 
    [product] => nvidia-mcx413a-gcat
    [id_product] => 6757
)
</pre>string(19) "nvidia-mcx413a-gcat"

string(19) "nvidia-mcx413a-gcat"

string(4) "6757"