Serendipity Forums

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{{!de}}German{{--}}{!en}}English{{--}}

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function smarty_multiling($msg) {
    function strip_langs($msg) {
        global $serendipity;

        if (!preg_match('@{{@', $msg)) return $msg;

        $language = $serendipity['lang'];
        /* Handle escaping of {} chars. If someone is up for it,
           they're welcome to try and find a better way. As it is,
           this appears to work. */
        $msg = str_replace('\{', chr(1), $msg);
        $msg = str_replace('\}', chr(2), $msg);

        // The explode actually makes sure that each latter array part will end on either the full string end or {{--}
        $parts = explode('{{--}}', $msg);
        $out   = '';
        // Iterate each subblock and inspect if its language matches.
        foreach($parts AS $idx => $match) {
            if (empty($match)) continue; // Last block part, skip it.
            if (stristr($match, '{{!' . $serendipity['lang'] . '}}')) {
                // Current language found. Keep the string, minus the {{!xx}} part.
                $out .= preg_replace('@\{\{!' . $serendipity['lang'] . '\}\}@', '', $match);
            } else {
                // Current language not found. Remove everything after {{!xx}}.
                $out .= preg_replace('@\{\{![^\}]+\}\}.+$@', '', $match);
            }
        }

        $msg = $out;

        /* Put back escaped {} chars */
        $msg = str_replace(chr(1), '{', $msg);
        $msg = str_replace(chr(2), '}', $msg);

        return $msg;
    }
}
$serendipity['smarty']->register_modifier('smarty_multiling', 'smarty_multiling')