tag::firstSentenceTags PHP Method

    function &firstSentenceTags($formatter)
    {
        $phpdoctor = $this->_root->phpdoctor();
        $matches = array();
        if ($phpdoctor->getOption('pearCompat')) {
            $expression = '/^(.+)(?:\\n\\n|\\.( |\\t|\\n|<\\/p>|<\\/?h[1-6]>|<hr))/sU';
            if (preg_match($expression, $this->text($formatter), $matches)) {
                if (isset($matches[2])) {
                    $return =& $this->_getInlineTags($matches[1] . '.' . $matches[2]);
                } else {
                    $return =& $this->_getInlineTags($matches[1] . '.');
                }
            } else {
                $return =& $this->_getInlineTags($this->text($formatter) . '.');
            }
        } else {
            $expression = '/^(.+)(\\.(?: |\\t|\\n|<\\/p>|<\\/?h[1-6]>|<hr)|$)/sU';
            if (preg_match($expression, $this->text($formatter), $matches)) {
                $return =& $this->_getInlineTags($matches[1] . $matches[2]);
            } else {
                $return = array(&$this);
            }
        }
        return $return;
    }