PHP: mt_rand() function

Last update on August 19 2022 21:50:39 (UTC/GMT +8 hours)

Description

The mt_rand() function is used to generate a random integer using the Mersenne Twister algorithm.

Version:

(PHP 4 and above)

Syntax:

mt_rand()
mt_rand( minv, maxv )

Parameters:

Name	Description	Required / Optional	Type
minv	Lowest value to be returned. Default : 0	Optional	Integer
maxv	Highest value to be returned. Default: mt_getrandmax())	Optional	Integer

Note: If the function is called without the minv and maxv arguments mt_rand() returns a pseudo-random value between 0 and mt_getrandmax(). If you want a random number between 10 and 15 (inclusive), for example, use mt_rand(10, 15).

Return value:

A random number value between minv (or 0) and maxv.

Value Type: Integer.

Example:

<?php
echo(mt_rand() . "<br />");
echo(mt_rand(10,15))
?>

View the example in the browser

See also

PHP Function Reference

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