This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

Development Environment Notification


Ever confused between Development and Production when using Host Files?

This plugin adds a simple notification on the WP Admin bar to help the developer know if they are looking at development or production environments without needing to check host files and so on.


  • Admin bar notification when you’re logged in.

  • Login screen notification so you know when you’re logging in.


This section describes how to install the plugin and get it working.

  1. Drop into mu plugins or if your on a single site, can just activate like a regular plugin
  2. Define define('DEVBAR_NOTIFY', true); in your wp-config.php


Does this work with Multisite?

Yes, this plugin is intended to be used as a mu plugin.

How do I enable the notification?

Define define('DEVBAR_NOTIFY', true); in your wp-config.php and you’ll see the notification.


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Contributors & Developers

“Development Environment Notification” is open source software. The following people have contributed to this plugin.




  • Add notification to the login screen as well


  • Initial release