This article describes how to work with WordPress custom fields, also called post meta. In it, we describe how to use WordPress’s post meta PHP functions, especially get_post_meta() and update_post_meta(), and provide in-depth code demos as well as practical advice for working with custom fields tools like Pods and Advanced Custom Fields.

WordPress’s get_queried_object() function has the distinction of being, I think, the most useful core function in WordPress that I didn’t know about for the longest time.

Recently, I was working on site speed for a client with one page that makes a large number of custom database queries through WordPress’s WP_Query API.

A guy named Anh read our article on custom taxonomies and custom fields, and contacted us pointing to a similar article he wrote on his own site. His article’s good—what I like about it, specifically, are the bolded key points on the differences between taxonomies and fields, such as: