Development Warning

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WordPress mu-plugin to warn you when you are developing on your local server. It adds an item to the WordPress toolbar that indicates you are in 'DEVELOPMENT'.

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I highly recommend using this as mu-plugin so you don't accidentially deactivate it and end up making unwanted changes to your production environment.

This plugin is useful if you meet each of the following:

• You keep a separate local development server for your WordPress installation
• You edit your hosts file so that your development server uses your production URL
• You'd like to be able to tell when www.example.com means you're on production or development
• (Optional) You use a local-config.php file to keep your wp-config.php file environment-agnostic

Installation

• Place the development-warning.php file in your wp-content/mu-plugins directory

• Edit your wp-config.php file and add:

    define( 'WP_LOCAL_DEV', true );
  

I use a local-config.php file to allow me to use the same wp-config.php in each environment and check it into git without any passwords:

  if ( file_exists( dirname( __FILE__ ) . '/local-config.php' ) ) {
    include( dirname( __FILE__ ) . '/local-config.php' );
    define( 'WP_LOCAL_DEV', true );
  else {
    include( dirname( __FILE__ ) . '/prod-config.php' );
    define( 'WP_LOCAL_DEV', false );
  }

Once this is setup I can just drop a local-config.php file into the WP root and it will know I'm on a local environment.

TODO:

• Add warnings even when the toolbar isn't visible or the user isn't logged in