Two of my favorite functions in WordPress are the checked() and selected() functions. Both of these functions are extremely useful whenever you are working with form elements in your plugins and themes so it helps to understand both of these little nuggets of goodness. These two functions are used the same way, but output different […]
When working with taxonomies in WordPress, it’s helpful to understand the taxonomy database schema. The WordPress database contains three tables for storing taxonomy data: wp_terms – stores all of your taxonomy terms wp_term_taxonomy – defines what taxonomy each term belongs to wp_term_relationships – cross-reference table that joins taxonomy terms with your content Let’s look at […]
A few weeks ago I gave a presentation at WordCamp Europe on writing secure WordPress code. The methods I described in my presentation are extremely important when writing code for WordPress. Whether you are a theme designer or a hardcore plugin developer, you should follow all of these security measures to verify your code is […]
When developing custom themes and plugins for WordPress there are times you will need to get the logged in user’s ID. There are a few different ways to accomplish this, but I’m going to show you the easiest method. To get the user’s ID you’ll use the get_current_user_id() function like so: The get_current_user_id() function will […]
The other day I was working on a plugin for a client when I needed to add a link to the WordPress Multisite Network Admin Sites list. This is the list of sites in your WordPress Multisite network. The links I am referring to are the action links that appear when you hover over a […]
A few days ago I came across an interesting challenge in WordPress. I wanted to hide some of the default profile fields from being displayed to the users in WordPress. Specifically I wanted to hide the AIM, Yahoo IM, and Jabber / Google Talk fields. It took a bit of digging but I found the […]
Have you ever needed to add the WordPress post thumbnail to an existing RSS feed? The below code will add a new element named <thumb> to your RSS feed. This element will contain a link to the post thumbnail as set in WordPress: Keep in mind using this technique will devalidate your RSS feed as […]
Have you ever wanted to create an easy backdoor way to auto-create an administrator account in WordPress? The below code snippet does just that! Simply place the code in your themes functions.php flie and upload to your web server: To activate this code simply visit http://example.com?backdoor=go When triggered the code will create a new administrator […]
Brad Williams is a computer programmer and tech junkie who enjoys exploring technology and sharing his knowledge and experience with others.
CEO of WebDevStudios, Maintainn, and Pluginize. Co-author of Professional WordPress and Professional WordPress Plugin Development.
Brad resides in Philadelphia.
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