The 'pre_user_login' PHP filter in WordPress allows developers to modify the username entered during login before it is validated. This can be useful for adding custom validation or formatting rules…

The 'pre_wp_is_site_initialized' PHP filter in WordPress allows developers to modify the site initialization process before it begins.

The 'pre_wp_update_comment_count_now' PHP filter in WordPress allows developers to modify the comment count before it is updated in the database. This can be useful for custom comment counting logic or…

The 'preprocess_comment' PHP filter in WordPress allows developers to modify comments before they are saved to the database. This can be useful for implementing custom validation or filtering logic.

The WordPress 'query' PHP filter is a powerful tool for customizing queries and displaying specific content on your website. By using this filter, you can easily modify the default WordPress…

​The `make_undelete_blog` WordPress action allows you to perform custom actions when a site is undeleted

This article discusses how to use the 'is_wp_error_instance' PHP action in WordPress, including examples of using it for logging errors, displaying custom error messages, sending email notifications, storing instances in…

This WordPress PHP function demonstrates how to force a user to be the default author for new WordPress posts. Useful if you have multiple users & want posts to be…

​This reference guide provides an overview of the important directories in a typical Linux installation, including their purpose and location on the file system. From the /bin directory containing essential…