Think of the security implications of allowing anyone to run any language on their server. It doesn't matter if it's PHP, Ruby, or C++, since they all allow she

Think of the security implications of allowing anyone to run any language on their server. It doesn't matter if it's PHP, Ruby, or C++, since they all allow shell and filesystem access, unbounded recursion, and all the other goodies that make sandboxing interesting. The trick would be to run PHP as a command-line scripting language, just like the others.