Sometimes you only want to show posts that you’ve added a specific custom field to. For instance, lets say you write book and movie reviews and for each you give them a custom field “review_type” with the value set to either “book” or “movie”. So how would you show posts that are only movie reviews? Easily!

While working on the redesign of my website I realized I was using a very inefficient method of displaying my latest Twitter post (”Tweet”). Currently I’m using a script I found online that uses two functions that are just over 20 lines of code total. Here I’ll show you how to use WordPress’ built in RSS parser to display your latest tweet in 5 lines of code.