PHP - Manual: gmp_random_bits
2024-11-24
(PHP 5 >= 5.6.3, PHP 7, PHP 8)
gmp_random_bits — Random number
Generate a random number. The number will be between
0 and (2 ** bits
) - 1.
bits
must greater than 0, and the maximum value is restricted by available memory.
bits
The number of bits.
A random GMP number.
示例 #1 gmp_random_bits() example
<?php
$rand1 = gmp_random_bits(3); // random number from 0 to 7
$rand2 = gmp_random_bits(5); // random number from 0 to 31
echo gmp_strval($rand1) . "\n";
echo gmp_strval($rand2) . "\n";
?>
以上例程会输出:
3 15
官方地址:https://www.php.net/manual/en/function.gmp-random-bits.php