Цвета и градиенты ников

//Градиенты
function gradient($text,$from='',$to='', $mode="hex") {
if($mode=="hex") 
{
$to  = hexdec($to[0].$to[1]).",".hexdec($to[2].$to[3]).",".hexdec($to[4].$to[5]);
$from= hexdec($from[0].$from[1]).",".hexdec($from[2].$from[3]).",".hexdec($from[4].$from[5]);
}
if( empty($text) )
return '';
else
$levels=strlen($text);
if (empty($from))
$from = array(0,0,255);
else
$from = explode(",", $from);

if (empty($to))
$to = array(255,0,0);
else
$to = explode(",", $to);
$output = "";
for ($i=1;$i<=$levels;$i++)
{
for ($ii=0;$ii<3;$ii++)
{
$tmp[$ii] = $from[$ii] - $to[$ii];
$tmp[$ii] = floor($tmp[$ii] / $levels);
$rgb[$ii] = $from[$ii] - ($tmp[$ii] * $i);
if ($rgb[$ii] > 255) $rgb[$ii] = 255;

$rgb[$ii] = dechex($rgb[$ii]);
$rgb[$ii] = strtoupper($rgb[$ii]);
if (strlen($rgb[$ii]) < 2) $rgb[$ii] = "0$rgb[$ii]";
}
$output .= ''.$rgb[0].$rgb[1].$rgb[2].'' == '000000' ? '' . mb_substr($text, ($i-1), 1) . '' : "<font color=\"#".$rgb[0].$rgb[1].$rgb[2]."\">" . mb_substr($text, ($i-1), 1) ."</font>";
}
return $output;
}