Auth_OpenID_Parse::htmlBegin PHP Method

    function htmlBegin($s)
    {
        $matches = array();
        $result = preg_match($this->openTag('html'), $s, $matches, PREG_OFFSET_CAPTURE);
        if ($result === false || !$matches) {
            return false;
        }
        // Return the offset of the first match.
        return $matches[0][1];
    }