WordPress at Your Fingertips

Different things can happen to database tables and there are many cases where repairing or optimizing database tables solves the problem.

In this post I'm going to share the code that adds the ability to set thumbnails for taxonomy elements, both built-in (tags, categories) and custom. The code is tested...

In WordPress 5.4 there are new hooks that allow you to more flexibly customize the WordPress menu (WP Nav Menu). In particular, it's now possible to easily add custom...

Before version 3.5, WordPress had a so-called "blogroll", "bookmarks", "links" - these were entries that had their own separate menu in the admin-panel, just like...

Here you find reserved names which should not be used as variable names for POST, GET requests. Also it is not recommended to use them when creating custom post types,...

In this article I'm going to share a Kama Post Meta Box class, with which you can quickly create meta-fields for posts, just by specifying them as an array. It's a kind...

What are taxonomies in WordPress? For those who don't know, and for those who think they know everything about taxonomies, it will be useful to read this article. I'll...

How indexes work in a MySQL database. Indexes in MySQL (Mysql indexes) are a great tool for optimizing SQL queries. To understand how they work, let's look at working...

In this article, let's talk about WordPress posts, or rather how their structure is arranged in the WordPress engine. There is a lot of information on the Internet...

Using child themes in Wordpress is a valid way to modify an existing theme, but the CSS @import directive is slow, so it's worth avoiding.

It takes 200ms to load the...

Not everyone knows that in WordPress a single post or page can be divided into several parts, thus organizing the pagination for the post. To do this you need to use...

In development, you need to be able to see where the error is when something suddenly breaks. WordPress has a special debug mode for this. In this post, let's take it...

Suppose we need some PHP function to be executed after 5 hours. Or we need this function to run every day. The WordPress Cron - Task Scheduler will help to solve...

Here is the entire list of WordPress options, which are located in the wp_options table. You can see all the options for your site on the hidden admin page...

Under the word "metadata" in WordPress, there is a huge amount of work and amazing logic, which you can scold and praise at the same time, but one thing you can't take...