Tip Of The Moment Hack!!!

ok, I started this as my first hack, here goes, and ya I do need some help!!!!

The Problem is I can't get the tip to display on the page!!

This is the code,

PHP Code:

<?php
srand((double)microtime()*1000000);
$tiplist = file("photo.tips");
$ntips = sizeof($tiplist);
$rtip = rand(0,$ntips-1);
$tip = $tiplist[$rtip];
echo $tip;
?>

You have to make a file called, photo.tips, and put all your tips on each line, and it will display a random tip each time someone visits the forums, Can anyone help me finish this hack?? lol
Remember, I am not an advanced user, and this is my first hack, so there could be a lot of errors, plz correct me so I can know not to make the same error next time, or tell me if this can't be a hack, :cry: