gmp_random_bits
(PHP 5 >= 5.6.3, PHP 7, PHP 8)
gmp_random_bits — Random number
Description
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
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