One of the minor but useful additions to WordPress 5.5 is the new wp_get_environment_type() function. It makes it possible for plugin and theme authors to do some interesting things based on whether a site is identified as staging, development, production, or some other custom environment type. In discussion on the original trac ticket, Marius Jensen suggested a few ways this function could be useful:
It’s a function used for grabbing the current environment, this is to ensure everyone fetches the values the same way (to avoid using different terms and such).Outbound emails could be filtered, and if get_environment() isn’t set to production then send
