PHP include causes white space at the top of the page

Question

I have a problem on a site that I am making. There is this line of white space at the top of my page. I can not find out where it is coming from. It might be because of extr

Answer 1

Tested all suggestion online, solved with notepad, procedure :

1. Copy all content of the file to include, from php without
2. Open Notepad and type then paste all code
3. Enjoy