Return control to original script after including a custom script. Allows more flexibility to add code to a page. If the original is to be completely replaced, the custom script must explicitly exit. Credit to Eloy.
Return control to original script after including a custom script. Allows
more flexibility to add code to a page. If the original is to be completely
replaced, the custom script must explicitly exit.
Credit to Eloy.

dilawar/moodle