gmp_random_bits
(PHP 5 >= 5.6.3, PHP 7)
gmp_random_bits — Random number
Description
gmp_random_bits ( int $bits ) : GMP
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.
Parameters
-
bits -
The number of bits.
Return Values
A random GMP number.
Examples
Example #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"; ?>
The above example will output:
3 15
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.gmp-random-bits.php