Learn about the do_mu_upgrade hook in WordPress, its usage, parameters, and best practices. Understand how to troubleshoot if the hook doesn’t work as expected and see a usage example for custom actions during the upgrade process.
Learn about the do_parse_request hook in WordPress and how it can be used to modify the request parsing process and manipulate query variables. Understand its parameters, troubleshooting, best practices, and usage examples.
Learn about the do_redirect_guess_404_permalink hook in WordPress and how it can be used to redirect users to a different URL when a 404 error occurs. Understand its parameters, troubleshooting, best practices, and usage examples.