gmp_random_range

(PHP 5 >= 5.6.3, PHP 7, PHP 8)

gmp_random_range — Random number

说明

gmp_random_range ( GMP|int|string $min , GMP|int|string $max ) : GMP

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.

参数

min: A GMP number representing the lower bound for the random number
max: A GMP number representing the upper bound for the random number

返回值

A random GMP number.

范例

示例 #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";
?>

以上例程会输出：

42
-67