Php/docs/function.gmp-random-range

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• GMP 函数
• Random number

gmp_random_range

(PHP 5 >= 5.6.3, PHP 7)

gmp_random_range — Random number

说明

gmp_random_range ( GMP $min , GMP $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

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 -10echo gmp_strval($rand1) . "\n";echo gmp_strval($rand2) . "\n";?>

以上例程会输出：

42
-67