gistfile1.php

if (!empty($options['showBoards'])) {
    $c = array(
        'board' => 0,
        'groups' => $_groups,
    );
    if (!empty($scriptProperties['category'])) $c['category'] = (int)$scriptProperties['category'];
    $cacheKey = 'discuss/board/user/'.$discuss->user->get('id').'/index-'.md5(serialize($c));
    $boardIndex = $modx->cacheManager->get($cacheKey);
    if (empty($boardIndex)) {
        $boardIndex = $discuss->hooks->load('board/getlist',$c);
        $modx->cacheManager->set($cacheKey,$boardIndex,3600);
    }
    $placeholders['boards'] = $boardIndex;
    unset($boardIndex);
}