constant demo page

CONSTANTS DEMO PAGE

The surface gravity of Earth is: 9.8 m/s^2 So if you were standing on the ground and jumped, that's how fast you'll come down.

I am a student at UWM, and I study: Information Science & Tech

The primary difference between Constants and Variables within PHP is that Constants are immutable, IE they will never change over time, and variables do. Constants are also global and can be used anywhere in the program.