In your wordpress’ index.php, add error_reporting(E_ALL | E_STRICT).
Yikes. That’s quite a mess.
I pride myself in being able to develop code that is totally error-free. It is a good feeling to be able to have your code compared to high standards - and pass.
Have a look at my common.php :)
I’d like to see them try and not make crappy code.
They’ve also created a fantastic open source application used by millions around the world. Have you done that?