As web designers, it goes against our nature to restrict access to our code. We’re taught to maximize compatibility of our websites and strive for backwards compatibility wherever possible; to create progressively enhanced and gracefully degrading sites. If we can make it work on IE1, that’s no bad thing…In 14 key WordPress functions to jump-start theme development we went through some of the functions that, without fail, I include in my starter theme’s functions.php. In this article, we cover another crucial function that should go on your list of key WordPress functions. It will save you both head, and heart, aches down the road.