Get the Whitepaper called Remote File Inclusion / Local File Inclusion Attack and Defense Techniques. This paper focuses on PHP-based attacks.
You can download it from the following link: https://packetstormsecurity.com/files/download/155441/rfilfi-adt.pdf
Source: https://packetstormsecurity.com/files/155441/Remote-File-Inclusion-Local-File-Inclusion-Attack-And-Defense-Techniques.html