Definition and Usage
The rand() function generates a random integer.
Tip: If you want a random integer between 10 and 100 (inclusive), use rand (10,100).
Tip: The mt_rand() function produces a better random value, and is 4 times faster than rand().
Syntax
rand();
or
rand(min,max);
Parameter Description
min Optional. Specifies the lowest number to be returned. Default is 0
max Optional. Specifies the highest number to be returned. Default is getrandmax()
Technical Details
Return Value: A random integer between min (or 0) and max (or getrandmax() inclusive)
Return Type: Integer
PHP Version: 4+
PHP Changelog: PHP 4.2.0: Random number generator is seeded automatically
