I figured that since php is built from c it can be put here. So anyways, I'm running a local mamp server. I have the start of index.php and i want to make a form so that when they login or register it sends it to my function and they see for the title Homepage - Username or Manage Account - Username etc. Can someone please tell me what I am doing wrong in calling it?
You don't pass the input to a specific function, you pass it to a whole file.
If you want to pass the input into the same file as the form, you can write this: