WordPress Plugin that lets you know that you are on the verification server

youareonverf.php

<?php

/*
Plugin Name: You are on verf
Plugin URI: 
Description: Lets you know that you are on the verification server
Author: Enej 
Version: 0.5
Author URI:
*/


/**
 * youareonverf function.
 * 
 * @access public
 * @return void
 */
function eb_you_are_on_verf() {
  $color = ( defined('VERF_COLOUR') ? VERF_COLOUR :'#4C6D84' );
  $where = ( defined('VERF_WHERE') ? VERF_WHERE :'Verf' );
  
  
  echo '<div style="position:fixed; top:0px; z-index:999999;left:50%; width:auto; background:'.$color.'; color:#FFF; padding:7px 13px 6px;; font-size:12px; text-transform: uppercase;">You are on '.$where.'</div>';
  echo '<style> #wpadminbar{ border-top:3px solid '.$color.'; } #wpadminbar  #wp-admin-bar-wp-logo{  background:'.$color.'; }</style>';
}
add_action('wp_footer', 'eb_you_are_on_verf' );
add_action('admin_footer', 'eb_you_are_on_verf' );