Practicing with predefined variables

the file path is
/home/lyndsley/public_html/infost440/a3/predefined.php

the request method used is
GET

predefined variables allow access to potentially important information by acting as shortcuts, as they store values within them which are then displayed when the variable is called. Instead of containing a fixed value, when these variables are called the computer compiles the information asked for by the variable, essentially making it a pseudo-command.