Apache Custom Environment Variables in PHP - Jon Kim
If you ever wanted to create a new Environment Variable, you can do so by setting them in the VirtualHost section. For example, DocumentRoot /www/htdocs ServerName SetEnv VARNAME varValue And to use it in PHP simply use $_SERVER[‘VARNAME’] or getenv(‘VARNAME’); If you were to check the output of phpinfo(), you can actually see the Environment Variable as the image illustrates below.