function WriteGeneratorComment(FeedGenerator $gen, $indent) { $name = $gen->Name(); if ($version = $gen->Version()) { $name === '' or $name .= ' '; $name .= sprintf('%1.1f', $version); } $url = $gen->URL(); $url and $name .= " | {$url}"; return $this->Indent($indent) . "<!-- Generated by {$name} -->\n"; }