/** * @param DOMDocument $document */ public function transpile(DOMDocument $document) { $root = $document->documentElement; if ($root === null) { return; } $transformers = $this->context->getTransformers(); foreach ($transformers as $transformer) { $transformer->transform($document); } if ($root && $root->getAttribute('version') === '2.0') { $root->setAttribute('version', '1.0'); } }