hex2rgb

if ( ! function_exists("hex2rgb"))
{
  function hex2rgb($h, $a=false)
  {
    if ($h[0] == '#') $h = substr($h,1);
 
    if (strlen($h) == 3)
    {
      $h = str_split($h,1);
 
      foreach ($h as &$c) $c .= $c;
    }
    elseif (strlen($h) == 6)
    {
      $h = str_split($h,2);
    }
    else return null;
 
    foreach ($h as &$t)
    {
      $t = base_convert($t,16,10);
    }
    return $a ? array_combine(array('red','green','blue'),$h)
 
    : implode(',',$h);
  }
}