rand
PHP 4, PHP 5, PHP 7, PHP 8
rand - Generate a random integer
rand(
intrand
intmin
intmax
Parameters
- min
-
The lowest value to return (default: 0)
- max
-
The highest value to return (default: getrandmax)
Return Values
A pseudo random value between min (or 0) and max (or getrandmax, inclusive).
Notes
Warning:
min max range must be within the range getrandmax. i.e. (max - min) <= getrandmax Otherwise, rand may return poor-quality random numbers.
Changelog
| Version | Description |
| 7.2.0 | rand has received a bug fix for a modulo bias bug. This means that sequences generated with a specific seed may differ from PHP 7.1 on 64-bit machines. |
| 7.1.0 | rand has been made an alias of mt_rand. |