WordPress at Your Fingertips

Exploring the use of anonymous PHP functions, also known as closures or lambda functions, in WordPress hooks and discussing their advantages and disadvantages.

WordPress does not allow uploading just anything to the media library—it protects itself. Files of non-standard (not allowed) types cannot be uploaded because WP has a...

This article explains how to create a settings page for a plugin in the WordPress Multisite network admin using the Options API, highlighting the differences from...

This article explains the usage of the ThickBox API for creating modal windows in the WordPress admin area, including examples and parameters for customization.

When uploading a file to WordPress website, WordPress will check the MIME type of the file. Sometimes it's useful to know what the mime file type of a particular file...

Support for page templates ("page" post type) has been unchanged for 12 years. And it helped developers to conveniently create templates for pages, but it has always...

Understanding the difference between declaring PHP constants using the const keyword and the define() function, and the features and limitations of each method.

This article explains how to speed up the WordPress admin panel by disabling aggressive update checks, which often cause slowdowns and performance issues. It provides a...

WordPress PHP coding standards covering formatting, syntax, safety, and naming rules.

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...

By default, deleted posts, pages, and comments in WordPress are moved to the trash, where they can be restored for 30 days. You can also empty the trash manually.
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There are cases when it is necessary to add custom fields to the WordPress comment form, for example, a field for entering a phone number, address, rating, mood, and so...

The layout model known as Flexbox (flexes) is becoming increasingly popular. Primarily due to its convenient use in creating frameworks and layouts for individual HTML...

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...