suPHP - Home

suPHP is a tool for executing PHP scripts with the permissions of their owners. It consists of an Apache module (mod_suphp) and a setuid root binary (suphp) that is called by the Apache module to change the uid of the process executing the PHP interpreter.

所有者権限でphpを動作させることが出来るapacheモジュール。
内部的にはcgi版をexecしているだけのようですが今後の発展に期待。