Exposing source code is the least of your problems. With creative use of command-line arguments, you can run arbitrary PHP code via any vulnerable URL. It too

Exposing source code is the least of your problems. With creative use of command-line arguments, you can run arbitrary PHP code via any vulnerable URL. It took me a bit to figure out _how_, but it's nothing obscure or difficult. In fact it relies on _other_ bozotic PHP behavior to work!