<pre>Array
(
    [lang] => en
    [category] => 
    [subcategory] => 
    [product] => 6019u-tn4rt
    [id_product] => 2160
)
</pre>string(11) "6019u-tn4rt"

string(11) "6019u-tn4rt"

string(4) "2160"