how does this site use adsense?

hello,
this url

Code (text):

https://safelinking.net/p/d70cc6300c

how they place their google adsense code with iframe like this? the code i see they use to show google adsense is like:

Code (text):

<iframe marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" onload="var…

how does this site use adsense?

See original post by haliloo22