The 'network_site_info_form' PHP action in WordPress allows developers to customize the network settings form.

The 'newuser_notify_siteadmin' PHP filter in WordPress allows site administrators to customize the email notification sent when a new user registers on their site. This filter can be used to add…

The "parse_site_query" PHP action in WordPress allows developers to modify the main site query before it is executed. This can be useful for customizing the query parameters or adding additional…

The 'page_attributes_misc_attributes' PHP action in WordPress allows developers to add custom meta boxes to the page attributes section of the WordPress admin panel. This can be used to add additional…

The 'permalink_structure_changed' PHP action in WordPress allows developers to execute code when the site's permalink structure is updated.

The 'personal_options' action in WordPress allows developers to add custom fields to a user's profile page. This can be useful for collecting additional information or providing additional functionality for users.…

The 'personal_options_update' PHP action in WordPress allows developers to customize the user profile update process. This can be useful for adding custom fields or changing the behavior of existing fields.…

​The `edit_form_advanced` WordPress action is used to hook into the advanced editing form in WordPress, firing after the normal context meta boxes are output for all post types except page

Learn how to use the WordPress'manage_sites_custom_column' PHP action to add custom columns to the Sites list table