Using WordPress ‘do_feed_rss()’ PHP function
The `do_feed_rss()` function in WordPress loads the RSS 1.0 Feed Template without accepting any parameters
WordPress
Using WordPress ‘do_favicon()’ PHP function
The article explains how to use the WordPress `do_favicon()` function to display the favicon
Using WordPress ‘get_editor_stylesheets()’ PHP function
How to use the `get_editor_stylesheets()` WordPress function to retrieve and manipulate registered editor stylesheets
Using WordPress ‘get_dropins()’ PHP function
Checks the wp-content directory and retrieve all drop-ins with any plugin data.