What is a practical difference between a loop and recursion

Question

I am currently working in PHP, so this example will be in PHP, but the question applies to multiple languages.

I am working on this project with a fiend of mine, and as

Answer 1

In general, a recursive function will consume more stack space (since it's really a large set of function calls), while an iterative solution won't. This also means that an iterative solution, in general, will be faster because.

I am not sure if this applies to an interpreted language like PHP though, it is possible that the interpreter can handle this better.