<pre>Array
(
    [lang] => en
    [category] => 
    [subcategory] => 
    [product] => z13pe-d16asmb11
    [id_product] => 11592
)
</pre>string(15) "z13pe-d16asmb11"

string(15) "z13pe-d16asmb11"

string(5) "11592"