This can be very useful if you have quotes, headlines, or something that you want displayed randomly on your page. http://www.oxyscripts.com/php/tutorials/15/0.php
The tutorial will teach us how to generate a random password every time the function is called. http://tutorials.haxansweb.com/PHP/randomizing/Generating-random-passw...
A simple tutorial in which you will learn how to create a random string of a specified length. http://www.andrew-mcgrath.com/tutorials?id=8&title=Random-String-Gener...
This tutorial will help you add random content to your site using the rand function in PHP. It is perfect for beginners to understand. http://www.phpaz.com/showthread.php?t=17