The `remove_permastruct()` function in WordPress allows you to remove a custom permalink structure that was previously added using the `add_permastruct()` function
The `rel_canonical()` function in WordPress generates the `rel="canonical"` HTML attribute for pages with identical content, helping search engines identify the preferred version and avoid duplicate content issues
This article explains how to use the WordPress'register_uninstall_hook()' function to set an uninstallation hook for a plugin, which can perform specific actions during the uninstallation process
The article "Using WordPress `meta_form()` PHP Function" provides an overview of the `meta_form` function in WordPress, including its usage and parameters, examples, and more