public function transformString()

in src/Facebook/InstantArticles/Transformer/Transformer.php [235:273]
38 lines of code
2 McCabe index (conditional complexity)

    public function transformString($context, $content, $encoding = "utf-8")
    {
        $start = microtime(true);
        $this->addLog(
            TransformerLog::INFO,
            "Transformer initiated using encode [$encoding]"
        );
        $this->addLog(
            TransformerLog::DEBUG,
            "Will transform content [$content]"
        );
        $libxml_previous_state = libxml_use_internal_errors(true);
        $document = new \DOMDocument('1.0');
        if (function_exists('mb_convert_encoding')) {
            $document->loadHTML(mb_convert_encoding($content, 'HTML-ENTITIES', $encoding));
        } else {
            $this->addLog(
                TransformerLog::DEBUG,
                'Your content encoding is "' . $encoding . '" ' .
                'but your PHP environment does not have mbstring. Trying to load your content with using meta tags.'
            );
            // wrap the content with charset meta tags
            $document->loadHTML(
                '<html><head>' .
                '<meta http-equiv="Content-Type" content="text/html; charset=' . $encoding . '">' .
                '</head><body>' . $content . '</body></html>'
            );
        }
        libxml_clear_errors();
        libxml_use_internal_errors($libxml_previous_state);
        $result = $this->transform($context, $document);
        $totalTime = round(microtime(true) - $start, 3)*1000;
        $totalWarnings = count($this->getWarnings());
        $this->addLog(
            TransformerLog::INFO,
            "Transformer finished in $totalTime ms with ($totalWarnings) warnings"
        );
        return $result;
    }