gradient

function gradient($start, $end, $steps = 256) {	$s = hexdec($start) & 0xFFFFFF;	$e = hexdec($end) & 0xFFFFFF;	$sr = ($s >> 16) & 0xFF;	$sg = ($s >> 8) & 0xFF;	$sb = $s & 0xFF;	$er = ($e >> 16) & 0xFF;	$eg = ($e >> 8) & 0xFF;	$eb = $e & 0xFF;	$dr = ($sr - $er) / $steps;	$dg = ($sg - $eg) / $steps;	$db = ($sb - $eb) / $steps;	$ret = array();	for($i = 0; $i < $steps; $i++) {		$ret[] = sprintf('%02x%02x%02x', $sr - ($dr * $i), $sg - ($dg * $i), $sb - ($db * $i));	}	return $ret;}