<pre>Array
(
    [lang] => en
    [category] => 
    [subcategory] => 
    [product] => s14na-u12asmb11
    [id_product] => 11594
)
</pre>string(15) "s14na-u12asmb11"

string(15) "s14na-u12asmb11"

string(5) "11594"