I tend to be rather language agnostic, but URLs should generally be a descriptor of the content, and leak as few technological details as possible. In general,

I tend to be rather language agnostic, but URLs should generally be a descriptor of the content, and leak as few technological details as possible. In general, having the URL include a specific implementation quirk, such as index.php makes it more difficult to have URLs that are stable years into the future, after you may have changed technology stacks.