(PHP 5, PHP 7 >= 5.6.3)
Random number
GMP gmp_random_bits ( integer $bits )
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.
Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number.
Returns:
A random GMP number.
Examples:
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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