This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
Bear Bibeault is right.this is Java forum. To get PHP solution, You can post it in PHP Forum. require_once() is PHP Function to include another file in the PHP script.
If you have question,you can mail me (wins_ku at yahoo.com). Because i register to this forum just to comment your posting and help your problem. and i am not Java programmer.