randomstuff

randomstuff.php

<?php
	function randomInt(int $min, int $max) :int
	{
		 $getFloat = function()
		{
			$bytes    = random_bytes(7);
			$bytes[6] = $bytes[6] | chr(0xF0);
			$bytes   .= chr(63); // exponent bias (1023)
			$float = unpack('d', $bytes)[1];

			return ($float - 1);
		};
		return (int)(floor($getFloat() * (($max - $min) + 1)) + $min);
				
	}

function getFloat() :float
{
        $bytes    = random_bytes(7);
        $bytes[6] = $bytes[6] | chr(0xF0);
        $bytes   .= chr(63); // exponent bias (1023)
        list(, $float) = unpack('d', $bytes);

        return ($float - 1);
}
function getBoolean() :bool
{
        $byte = random_bytes(1);
        return (bool) (ord($byte) % 2);
}