WordPress Plugin Development

Step-by-Step Guide to building a custom XML sitemap generator block for Gutenberg using REST API custom routes

Leveraging WordPress REST API for Dynamic XML Sitemaps While WordPress offers built-in sitemap functionality, the need for highly customized, dynamic sitemaps that reflect specific content types, taxonomies, or even external data sources often arises. This guide details the construction of a custom Gutenberg block that dynamically generates an XML sitemap by leveraging WordPress’s REST API […]

Enforcing Search Engine De-Indexing in WordPress Using an Application-Level Plugin

In certain scenarios—such as internal documentation portals, restricted platforms, or SEO cleanup initiatives—it becomes necessary to explicitly prevent search engines and SEO crawlers from indexing content. Advisory mechanisms like robots.txt alone are not always sufficient, especially when content has already been indexed. To address this, we implemented a custom WordPress plugin that enforces de-indexing directly […]

How to Migrate Users Between Sites in WordPress Multisite (One-Time Task)

When working with WordPress Multisite, a common point of confusion is user migration—especially after cloning a site using tools like NS Cloner.The key thing to understand is this: In WordPress Multisite, users are global. They live in the common wp_users table and are not copied per site. What is site-specific is a user’s role and […]

How to add share via email functionality after each item’s content using filters

Adding a link to each post or page, allowing visitors to email a link to the article that they are currently viewing. This functionality is implemented using a filter hook attached to the page or post or to both the contents. This allows our custom function to append custom output code to all entries that […]

How to modify the site generator meta tag using filters

Beyond adding functionality or content to a site, the other major task commonly performed by plugins is to augment, modify, or reduce information before it is displayed on the screen. This is done by using WordPress filter hooks, which allow plugins to register a custom function through the WordPress API to be executed when content […]

How to use WordPress path utility functions to load external files and images

On occasion, plugins need to refer to external files (for example, images, JavaScript, or jQuery script files) that are stored in the plugin directory. Since users are free to rename a plugin’s folder or even install plugin files straight into the WordPress plugins directory, paths to any external files must be built dynamically based on […]

How to use hooks and add output content to page head

A common action performed by plugins is to add extra content to the header of visitor-facing pages generated by WordPress. This recipe shows you how to register an action hook function to add such additional content. To make this example more concrete, we will use the Google Analytics page header JavaScript code that so many […]

How to create a basic plugin in WordPress?

The first step of creating a plugin is to create a directory and a PHP file in the WordPress plugins directory and add the necessary information to have it recognized by the system. In this I will show you how to create a basic plugin file for WordPress and how to activate this new extension […]

WordPress Plugin Development

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