update : 2015.11.03
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GMP 함수 목록
PHP Manual

gmp_random_range

(PHP 5, PHP 7 >= 5.6.3)

gmp_random_range — Random number

설명

GMP gmp_random_range ( GMP $min , GMP $max )

Generate a random number. The number will be between min and max.

min and max can both be negative but min must always be less than max.

인수

min

A GMP number representing the lower bound for the random number

max

A GMP number representing the upper bound for the random number

반환값

A random GMP number.

예제

Example #1 gmp_random_range() example

<?php
$rand1 = gmp_random_range(0, 100);    // random number between 0 and 100
$rand2 = gmp_random_range(-100, -10); // random number between -100 and -10

echo gmp_strval($rand1) . "\n";
echo gmp_strval($rand2) . "\n";
?>

위 예제의 출력:

42
-67

GMP 함수 목록
PHP Manual