Since my podcasting plugin, Seriously Simple Podcasting, has become relatively popular I am doing some customer research for the next steps for the plugin’s development. Any answers you can give will be invaluable.
A .gitignore file for multiple WordPress sites in one repo
I put together a .gitignore file that will exclude all WordPress core files from your repo so that only your themes and plugins will be uploaded – this works recursively, so that it will ignore all the copies of WordPress you have in the sub-folders of the repo.
Code template for a WordPress plugin
I’ve been working on a lot of plugins lately – many for my work at WooThemes and a few for my personal projects – and over time I have developed a standard code base from which I start any of my new plugins. I decided to share that code base here.
Simple animated scroll for jQuery
If you use links to navigate to other elements on the same page, it’s generally a good idea to animate the scrolling so you don’t disorientate your users. This snippet will make that easy for you.
Totally simple jQuery method for selecting all checkboxes in a form
It’s a common problem with a dozen different solutions – if you’ve ever needed to add a ‘select all’ checkbox to a form in order to make your users’ lives easier then you’ll have searched for a simple way to do it. If you’re using jQuery here’s a very simple method.
WordPress 101: Create a new widget area
Most WordPress themes come with a few useful widget areas where you can place any widgets you like. Sometimes, however, you need to add your own widget area because the theme you’re using doesn’t quite cut it. Paste this snippet in your theme’s functions.php file to create a new widget area.
WordPress: Add plugin settings link to Plugins page
When building a plugin that has its own settings page, it’s often handy to create a link to the settings page straight from the Plugins list – this saves users the time it takes to find where exactly your plugin appears in the admin menu. Here is a simple code snippet that creates the settings link for you – all you need to do is tell it where to go.
Some handy WordPress debugging tips
If something goes wrong with your WordPress install due to a faulty plugin or some bad PHP code, it can often be tricky to work out exactly what the issue is an how to fix it. Here are a couple of helpful functions and snippets that you can use to fix a number of WordPress issues.
WordPress POST data and the 404 errors: The mystery of the restricted query variables
I recently had a problem with a form submitted in WordPress returning a 404 error everytime even though it was submitting to an entirely valid URL. The form submission was managed via AJAX using jQuery.post(), so at first I assumed it was a Javascript problem – after a bit of testing, however, I discovered it was happening even if I submitted the form via PHP. In the end it turned out that the problem had nothing to do with Javascript, PHP or the server configuration, but was actually due to a restriction built into WordPress that isn’t immediately apparent.
Find duplicate field values in MySQL
I recently had to clean up a database table of user data because it had the same email addresses assigned to multiple users. The first step was putting together a query that pulled only the duplicate email addresses and also told me how many times they occurred – this simple query looked something like this.
Two methods for vertical centering in CSS
Vertical centering has always been a fairly elusive goal when dong CSS layouts, but it’s actually easier to achieve than you might think. Here are the two simplest methods that I know of to achieve this goal.
WordPress: Add featured image to RSS feed
In order to minimise the amount of plugins your site uses, here’s a simple function I use to show a post’s featured image in the RSS feed (something WordPress does not do by default).