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Есть код

echo '<div class="tmn">' .
    (isset($_GET['err']) || $headmod  || ($headmod == 'mainpage' && $act) ? '<a href=\'' . $set['homeurl'] . '\'>' . functions::image('menu_home.png') . $lng['homepage'] . '</a>' : '') .
    ($user_id && $headmod != 'office' ? '<a href="' . $set['homeurl'] . '/users/profile.php?act=office">' . functions::image('menu_cabinet.png') . $lng['personal'] . '</a>' : '') .
    (!$user_id && $headmod != 'login' ? functions::image('menu_login.png') . '<a href="' . $set['homeurl'] . '/login.php">' . $lng['login'] . '</a>' : '') .
    '</div><div class="maintxt">';