org\parser\driver\Markdown::_doCodeBlocks_callback PHP Method

    protected function _doCodeBlocks_callback($matches)
    {
        $codeblock = $matches[1];
        $codeblock = $this->outdent($codeblock);
        $codeblock = htmlspecialchars($codeblock, ENT_NOQUOTES);
        # trim leading newlines and trailing newlines
        $codeblock = preg_replace('/\\A\\n+|\\n+\\z/', '', $codeblock);
        $codeblock = "<pre><code>{$codeblock}\n</code></pre>";
        return "\n\n" . $this->hashBlock($codeblock) . "\n\n";
    }