In part one of the Creating a User Follow System tutorial series, we are going to take a quick look at how our final product may be implemented into a real live site, and the basic functionality it will contain. This entry is part 1 of 5 in the Creating a User Follow System Plugin [...]
View PostIntroduction to the WP Filesystem
I’ve spent a lot of time lately dealing with a little known, under-documented but extremely useful class in WordPress called WP_Filesystem. WP_Filesystem is used throughout WordPress to handle core/plugin/themes updates and various tasks that require writing files to your webserver. The WP_Filesystem class is a base class that has many extensions depending on what ‘method’ [...]
View Post Thomas Griffin, WP_FilesystemStripe Integration Part 6 – Payment Receipts

The Stripe API includes a system called “webhooks”, which are used for notifying your site of events happening in your Stripe account, such as received payments, account creation, customer cancellation, etc. One of the first features you will find webhooks are useful for is sending payment receipts, both for one time payments and recurring subscription [...]
View Post Stripe, WebhooksUsing pre_get_posts to Modify Queries for Meta Data and More
There are a lot of ways to query posts in WordPress and a lot of parameters you can use for pulling in just the data you want. For example, you can easily pull in just posts that are in category X, Y, or Z, and you can also just as easily pull in only posts [...]
View Post add_action, pre_get_postsHow I Built the Settings System for Easy Digital Downloads
The settings system that I built for Easy Digital Downloads is something I was very happy with once finished, especially because it is very extensible, and very easy to integrate with by other developers. I decided to record an overview video that walks through how the system works.
View Post add_settings_field, add_settings_section, easy digital downloads, register_setting, Settings APIUsing Ajax in Your Plugin and WordPress Admin
This video tutorial walks you through the process of using ajax in the WordPress admin within your own plugins. The end result of this tutorial is not a complete plugin, but it does show the entire process, step by step, of how ajax is utilized in the WordPress dashboard.
View Post add_options_page, Ajax, wp_enqueue_script, wp_localize_scriptStripe Integration Part 5 – Accepting Discount Codes

In this part of our WordPress + Stripe Integration tutorial series, we will be expanding our payment form to accept discount codes. The coupon system in Stripe is pretty robust, and I’m going to show you how to take advantage of it by walking you through the process of adding it to our plugin. This [...]
View Post StripeCreate a Live Search in WordPress with jQuery and Ajax
A live search is a search form that displays the results for your search query as you type. When done right, they can be exceptionally nice to use, and going through the process of building one covers a lot of really important techniques that can be applied to many other areas as well. This in-depth [...]
View Post add_action, Ajax, jquery, search, wp_ajaxCustom Front End Post Submission Form

In the Jobs Posting with Easy Content Types and Gravity Forms tutorial, we used Gravity Forms to create a submission form for users to post their job openings. In this tutorial, we are going to create our own custom submission form. While we will focus the form around job submission, the techniques used here apply [...]
View Post add_action, add_shortcode, update_post_meta, wp_insert_post