If it was the theme that was hacked then it wasn't PHP it was the design of wordpress and the theme specifically. Almost all hacks of wordpress are not due to w

If it was the theme that was hacked then it wasn't PHP it was the design of wordpress and the theme specifically. Almost all hacks of wordpress are not due to workpress itself but due to the themes and extentions. If it was written in another language you'd have the same problems with the same architecture. Wordpress gets exploited because it's popular, not because it's written in PHP