protected function isScriptTagFragJson(array $tag_frag)
    {
        if (empty($tag_frag['script_open_tag']) || empty($tag_frag['script_closing_tag'])) {
            return false; // Nope; missing open|closing tag.
        }
        $type = $language = ''; // Initialize.

        if (mb_stripos($tag_frag['script_open_tag'], 'type') !== 0) {
            if (preg_match('/\stype\s*\=\s*(["\'])(?P<value>.+?)\\1/ui', $tag_frag['script_open_tag'], $_m)) {
                $type = $_m['value'];
            }
        } // unset($_m); // Just a little housekeeping.

        if (mb_stripos($tag_frag['script_open_tag'], 'language') !== 0) {
            if (preg_match('/\slanguage\s*\=\s*(["\'])(?P<value>.+?)\\1/ui', $tag_frag['script_open_tag'], $_m)) {
                $language = $_m['value'];
            }
        } // unset($_m); // Just a little housekeeping.

        if (($type && mb_stripos($type, 'javascript') === false) || ($language && mb_stripos($language, 'javascript') === false)) {
            if ($type && mb_stripos($type, 'json') !== false) {
                return true; // Yes, this is JSON.
            }
            if ($language && mb_stripos($language, 'json') !== false) {
                return true; // Yes, this is JSON.
            }
        }
        return false; // No, not JSON.
    }