Learn about the deprecated WordPress `default_password_nag_handler()` PHP function, its parameters, usage, examples, and why it's no longer recommended for use.

Learn how to use the `default_password_nag_edit_user()` WordPress PHP function to disable the "You're using the default WordPress password." notification after password reset.

Learn about the WordPress `default_password_nag()` PHP function that checks if the logged-in user is using the default password ‘admin’ and reminds them to change it for enhanced security.

​The `debug_fwrite()` function in WordPress is used to write data to a file for debugging purposes

​The `debug_fopen()` function in WordPress allows you to open a file for debugging purposes with specific permissions

​The `comment_class()` function in WordPress adds semantic classes to each comment element, allowing developers to easily style different parts of their theme in unique ways

Learn how to use the WordPress 'current_action()' PHP function to retrieve the name of the current action hook in your plugins and themes

​The `create_initial_taxonomies()` function creates the initial taxonomies in WordPress, which can be checked with the help of examples and code snippets discussed in this article

​The `create_initial_rest_routes()` function in WordPress is used to register the default REST API routes without accepting any parameters