The "attachment_icon" PHP filter in WordPress allows developers to modify the default icon displayed for file attachments. This can be useful for improving user experience and branding.

​The `added_term_relationship` WordPress PHP action is fired immediately after an object-term relationship is added, and can be used to perform various actions such as logging the relationship, sending email notifications,…

​The `admin_action` filter in WordPress allows developers to create their own custom actions that can be triggered by sending an `action` request variable through GET or POST requests

​This article discusses how to use the `after_delete_post` WordPress action to perform various tasks such as logging deleted posts, deleting associated metadata, notifying admins, unscheduling future events, and updating counters

The WordPress 'alloptions' PHP filter is a powerful tool for developers to optimize their website's performance.

Learn how to use the WordPress `admin_footer-{$GLOBALS[‘hook_suffix']}` PHP action to add custom content to specific admin pages, including examples and parameters explanation.

The 'admin_notices' action in WordPress is a powerful tool for displaying messages to users on the admin dashboard.

The 'admin_post_thumbnail_size' PHP filter in WordPress allows developers to customize the size of the featured image thumbnail in the admin panel.

The 'adminmenu' action hook in WordPress allows for customization of the admin menu by adding or removing items.