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(PHP 5 >= 5.6.3, PHP 7, PHP 8)
gmp_random_range — Random number
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.
min
A GMP number representing the lower bound for the random number
max
A GMP number representing the upper bound for the random number
A random GMP number.
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
