This WordPress PHP function removes HTML class attributes from post content upon saving. Useful for removing unwanted class attributes transferred from other webpages. Only changes class attributes within formed HTML…

​The `activate_blog` PHP action in WordPress triggers when a network site is activated, allowing developers to perform various actions such as sending welcome emails, logging activations, creating default posts, updating…

The 'posts_where_paged' PHP filter in WordPress allows developers to modify the SQL query used to retrieve posts for pagination.

​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…

Learn how to protect your WordPress database queries using prepared statements with our step-by-step guide. Discover how to create prepared database queries, understand how prepared statements work and what types…

Learn how to disable new user notification emails in WordPress, both for admins and users.

​How to Use the IN Operator in WordPress With WPDB Prepare StatementsThis article explains how to use the IN operator in WordPress with WPDB prepare statements. It covers using integers,…