PHP rand() Function

The rand() function generates a random integer.

int rand ( void )
int rand ( int $min , int $max )

If called without the optional min, max arguments rand() returns a pseudo-random integer between 0 and getrandmax(). If you want a random number between 5 and 15 (inclusive), for example, use rand(5, 15).

Example -

The above example will output something similar to:

7771
22264
11

ParameterDescription
minThe lowest value to return (default: 0)
maxThe highest value to return (default: getrandmax())

Return Values

A pseudo random value between min (or 0) and max (or getrandmax(), inclusive).