<pre>Array
(
    [lang] => en
    [category] => 
    [subcategory] => 
    [product] => sys-f620p3-rtbn
    [id_product] => 8180
)
</pre>string(15) "sys-f620p3-rtbn"

string(15) "sys-f620p3-rtbn"

string(4) "8180"