PHP file doesn't write to current directory?

Question

I have a PHP file on a web-host that is as follows:

But the file

Answer 1

Why not? Is it a permissions issue?

The question you should be asking yourself is why don't you know already?

The code will be producing an error or warning - why don't you know what that is?

It's likely a permissions issue - what are the permissions?

BTWE: writing content within your document root, to a directory which will execute PHP is a huge security vulnerability. i.e. if it is a permissions issue, then changing the permissions is the wrong way to solve the problem.