<pre>Array
(
    [lang] => en
    [category] => 
    [subcategory] => 
    [product] => 2029uz-tn20r25m
    [id_product] => 2991
)
</pre>string(15) "2029uz-tn20r25m"

string(15) "2029uz-tn20r25m"

string(4) "2991"