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Rand () PHP Function

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Definition: The rand () function is used to generate a random number in PHP. It can also be used to generate a random number within a specific range (for example a number between 10 and 30.) On a some platforms, Windows for example, if unspecified the largest number that will be generated is 32768, however you can set a specific range to include higher numbers.
Examples:
<?php
 print rand() . "<br>"; 
 //generates and prints a random number
 print rand(10, 30); 
 //generates and prints a random number between 10 and 30 (10 and 30 ARE included)
 print rand(1, 1000000); 
 //generates and prints a random number between on and one million
 ?>

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