여러 계정

<VirtualHost 192.168.42.43>
  ServerName www.myvhost1.com
  DocumentRoot "/path/to/vhost1/"
  ...
  <IfModule php5_module>
    php_value newrelic.license "NEW RELIC LICENSE KEY 1"
  </IfModule>
</VirtualHost>

<VirtualHost 192.168.123.45>
  ServerName www.myvhost2.com
  DocumentRoot "/path/to/vhost2/"
  ...
  <IfModule php5_module>
    php_value newrelic.license "NEW RELIC LICENSE KEY 2"
  </IfModule>
</VirtualHost>

newrelic_set_appname("APP NAME",  "NEW RELIC LICENSE KEY");