public static function createIcon($hexColor)
 {
     global $REX;
     $path = realpath($REX['HTDOCS_PATH'] . $REX['MEDIA_ADDON_DIR']) . DIRECTORY_SEPARATOR . 'website_manager/';
     $rgbColor = rex_website_manager_utils::hex2rgb($hexColor);
     $favIconOriginal = $path . 'favicon.png';
     $favIconNew = $path . rex_website::constructIconFile($hexColor);
     $im = imagecreatefrompng($favIconOriginal);
     imagealphablending($im, false);
     imagesavealpha($im, true);
     if ($im && imagefilter($im, IMG_FILTER_COLORIZE, $rgbColor[0], $rgbColor[1], $rgbColor[2], 0)) {
         imagepng($im, $favIconNew);
         imagedestroy($im);
     }
 }