Градиент текста

function gradient($text, $hexfrom, $hexto){ 
 
 $text = iconv('utf-8','windows-1251',$text); 
 $colorsteps = strlen($text); 
 
 $fromrgb['r'] = hexdec(substr($hexfrom, 0, 2)); 
 $fromrgb['g'] = hexdec(substr($hexfrom, 2, 2)); 
 $fromrgb['b'] = hexdec(substr($hexfrom, 4, 2)); 
 
 $torgb['r'] = hexdec(substr($hexto, 0, 2)); 
 $torgb['g'] = hexdec(substr($hexto, 2, 2)); 
 $torgb['b'] = hexdec(substr($hexto, 4, 2)); 
 
 $steprgb['r'] = ($fromrgb['r'] - $torgb['r']) / ($colorsteps - 1); 
 $steprgb['g'] = ($fromrgb['g'] - $torgb['g']) / ($colorsteps - 1); 
 $steprgb['b'] = ($fromrgb['b'] - $torgb['b']) / ($colorsteps - 1); 
 
 for($i = 0; $i <= $colorsteps; $i++){ 
 
 $rgb['r'] = floor($fromrgb['r'] - ($steprgb['r'] * $i)); 
 $rgb['g'] = floor($fromrgb['g'] - ($steprgb['g'] * $i)); 
 $rgb['b'] = floor($fromrgb['b'] - ($steprgb['b'] * $i)); 
 
 $hexrgb['r'] = sprintf('%02x', ($rgb['r'])); 
 $hexrgb['g'] = sprintf('%02x', ($rgb['g'])); 
 $hexrgb['b'] = sprintf('%02x', ($rgb['b'])); 
 
 $color = implode(null, $hexrgb); 
 
 $return .= '<font color="'.$color.'">'.$text[$i].'</font>'; 
 
 } 
 
 return iconv('windows-1251','utf-8',$return);