mt_rand

Function • Misc changes in PHP 8.2

Generate a random value via the Mersenne Twister Random Number Generator.

PHP 5

PHP 7

Improved

PHP 8.1

Changed

PHP 8.3

PHP 8.4

PHP 8.5

PHP 8.6

`mt_rand` Function synopsis

mt_rand(int $min = <default>, int $max = <default>): int

Parameters

`$min`

OptionalTypeintDefault value

Optional lowest value to be returned (default: 0)

`$max`

OptionalTypeintDefault value

Optional highest value to be returned (default: mt_getrandmax)

Return value

Typeint

A random integer value between $min (or 0) and $max (or mt_getrandmax, inclusive).

Changes to the `mt_rand` Function

PHP 8.2

Moved from standard extension to random extension

PHP 8.0

Return type added: int
Parameter type added for parameter #1 ($min): int
Parameter default value added for position #1 ($min): <default>
Parameter type added for parameter #2 ($max): int
Parameter default value added for position #2 ($max): <default>

- mt_rand($min, $max)
+ mt_rand(int $min = <default>, int $max = <default>): int

`mt_rand` Function Availability

PHP Version	Availability
PHP 8.6Upcoming Release	Yes
PHP 8.5Supported (Latest)	Yes
PHP 8.4Supported	Yes
PHP 8.3Security-Fixes Only	Yes
PHP 8.2Security-Fixes Only	Yes
PHP 8.1Unsupported	Yes
PHP 8.0Unsupported	Yes
PHP 7.4Unsupported	Yes
PHP 7.3Unsupported	Yes
PHP 7.2Unsupported	Yes
PHP 7.1Unsupported	Yes
PHP 7.0Unsupported	Yes
PHP 5.6Unsupported	Yes
PHP 5.5Unsupported	Yes
PHP 5.4Unsupported	Yes
PHP 5.3Unsupported	Yes