How to add programing (php) in blogspot

how to add programing (php) in blogspot. in my blogspot site, i want attacch php code for hovar, form, guest post and etc. my site name is

<a href="">text free</a>

and i want put php code in my site. help please. thanks

I think you can’t. PHP is server-side language so you’d be able to manipulate data on blogspot’s servers, which I believe they do not allow.