Learn how to use the show_network_site_users_add_existing_form hook in Wordpress to customize the "Add Existing User" form on the network admin users screen. Understand best practices and troubleshoot common issues with this specific hook. Plus, get a usage example to help you get started.
Learn how to use the user_new_form hook in Wordpress to customize the user registration form. Modify fields, layout, and functionality with this powerful hook. Understand best practices and troubleshoot common issues.
