The 'ms_network_not_found' PHP action can be used in WordPress to troubleshoot issues related to multisite networks. This action can help identify problems with network configuration and allow for efficient resolution.

The 'ms_site_not_found' PHP action in WordPress can be used to customize the handling of site not found errors in a multisite network.

WordPress 'ms_loaded' action: A powerful tool for managing multisite installations.

Learn how to use the WordPress 'do_redirect_guess_404_permalink' PHP filter to control 404 error handling, including disabling URL guessing for specific post types and user roles

WordPress 'loop_no_results' PHP Action: A Powerful Tool for Customizing Search Results

The 'login_init' PHP action in WordPress allows developers to customize the login process and add additional security measures.

The 'handle_bulk_actions-{$screen}' PHP filter in WordPress allows developers to customize bulk actions in the admin area.

The 'handle_network_bulk_actions-{$screen}' PHP filter in WordPress allows for custom bulk actions to be added to the network admin dashboard.

Learn how to use the graceful_fail_template WordPress PHP filter to modify the template file path and handle 404 errors in your website. Customize the 404 template, log errors, redirect to…