<?

$Number = 123456;
$Base = 36;
print "$Number converted to base $Base is: " . BaseConvert($Number, $Base);

function BaseConvert($Convert, $Base=10)
{
	$Chars = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z');
	while ($Convert > 0) 
	{
		$Remain = $Convert % $Base;
		$Convert = (($Convert - $Remain) / $Base);
		$RetVal = $Chars[$Remain] . $RetVal;
	}
	return $RetVal;
}

?>