gmp_random_range()

(PHP 5 >= 5.6.3, PHP 7)

Random number

说明

gmp_random_range(GMP$min, GMP$max): GMP

Generate a random number. The number will be between$minand$max.

$minand$maxcan both be negative but$minmust always be less than$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

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