Common\Core\Twig\Extensions\BaseTwigModifiers::highlightCode PHP Method

    public static function highlightCode($string)
    {
        // regex pattern
        $pattern = '/<code>.*?<\\/code>/is';
        // find matches
        if (preg_match_all($pattern, $string, $matches)) {
            // loop matches
            foreach ($matches[0] as $match) {
                // encase content in highlight_string
                $string = str_replace($match, highlight_string($match, true), $string);
                // replace highlighted code tags in match
                $string = str_replace(array('&lt;code&gt;', '&lt;/code&gt;'), '', $string);
            }
        }
        return $string;
    }