Prado\Web\TAssetManager::copyDirectory PHP Method

    public function copyDirectory($src, $dst)
    {
        if (!is_dir($dst)) {
            @mkdir($dst);
            @chmod($dst, PRADO_CHMOD);
        }
        if ($folder = @opendir($src)) {
            while ($file = @readdir($folder)) {
                if ($file === '.' || $file === '..' || $file === '.svn') {
                    continue;
                } else {
                    if (is_file($src . DIRECTORY_SEPARATOR . $file)) {
                        if (@filemtime($dst . DIRECTORY_SEPARATOR . $file) < @filemtime($src . DIRECTORY_SEPARATOR . $file)) {
                            @copy($src . DIRECTORY_SEPARATOR . $file, $dst . DIRECTORY_SEPARATOR . $file);
                            @chmod($dst . DIRECTORY_SEPARATOR . $file, PRADO_CHMOD);
                        }
                    } else {
                        $this->copyDirectory($src . DIRECTORY_SEPARATOR . $file, $dst . DIRECTORY_SEPARATOR . $file);
                    }
                }
            }
            closedir($folder);
        } else {
            throw new TInvalidDataValueException('assetmanager_source_directory_invalid', $src);
        }
    }