Well, if I take the hat of a WP script kiddie, my answer would be: use post_meta, always. However, I happen to know a thing or two about databases, so my answer is: never, ever, ever, use an EAV (aka the post_meta table) to store data that you might to need to query. On the … Read more
There are many themes and plugins using jQuery as loaded by WP core. Every time jQuery is updated, there is a risk of older themes and plugins breaking (because lots of them are still used but no longer updated). That’s why you also see jquery-migrate.js in your source code. It’s a script that catches old … Read more
I can’t give you links to the plugin repo, but here are some great people who share good code (in pretty different styles) on Github. Just take a look at the repos or their gists: Frank Bültge Thomas Scholz Mike Schinkel Franz Josef Kaiser (me 😉
It’s best practice to always use prepare but the main use of it is to prevent against SQL injection attacks, and since there is no input from the users/visitors or they can’t effect the query then that is not an issue in your current example. But like I said before it’s best practice to use … Read more
If you take a look into the WordPress documentation you will find WordPress Taxonomies term_id is the ID of a term in the terms table term_taxonomy_id is a unique ID for the term + taxonomy pair.
Whenever you find a piece of code without clear installation instructions it is probably a plugin. The example you gave is a good one, because that is the most common case: add_action(‘template_redirect’, ‘remove_404_redirect’, 1); function remove_404_redirect() { // do something } To use such a snippet, put it into a plugin: Create a new file, … Read more
For the record, I mainly make whole Web sites and plugins, and deploy them. My workflow is very Ruby- and git-heavy. To start out on a new project, I have a shell script which takes care of the whole business of setting up a new vhost and checking out the latest tag of WordPress (from … Read more
In backend there is global ajaxurl variable defined by WordPress itself. This variable is not created by WP in frontend. It means that if you want to use AJAX calls in frontend, then you have to define such variable by yourself. Good way to do this is to use wp_localize_script. Let’s assume your AJAX calls … Read more
Thanks for the answers guys. Though both answers set me on the right path, none worked out of the box. So I’m sharing my solutions below. Method 1 – Using register_activation_hook: Create the Parent Plugin in plugins/parent-plugin/parent-plugin.php: <?php /* Plugin Name: Parent Plugin Description: Demo plugin with a dependent child plugin. Version: 1.0.0 */ Create … Read more
To add our button to the TinyMCE editor we need to do several things: Add our button to the toolbar Register a TinyMCE plugin Create that TinyMCE plug-in which tells TinyMCE what to do when our button is clicked. Steps #1 and #2 In these steps we register our TinyMCE plug-in which will live inside … Read more