Here’s a really nifty function written up by Chris Gossmann that’ll check to see if a particular custom page template is active. Chris had to write a SQL query to get this to work so be thankful that he survived to tell us about it.

I hate editing my WordPress theme files—and I’m a theme developer! It makes it a pain to update the theme when a new, better version comes out. And if you ever change your theme you’re either going to forget about some crucial edit you’ve made, or spend wasted hours hunting down all your customizations. Didn’t we decide to use WordPress because it was so simple to use?