PHP Zenpage_internal_deprecations::next_news示例

/**
 * Returns the next news item on a page.
 * sets $_zp_current_zenpage_news to the next news item
 * Returns true if there is an new item to be shown
 *
 * @return bool
 */
function next_news()
{
    global $_zp_zenpage, $_zp_current_zenpage_news, $_zp_current_zenpage_news_restore, $_zp_zenpage_articles, $_zp_current_category, $_zp_gallery, $_zp_current_search;
    if (func_num_args() != 0) {
        //	These parameters are deprecated
        Zenpage_internal_deprecations::next_news();
    }
    if (is_null($_zp_zenpage_articles)) {
        if (in_context(ZP_SEARCH)) {
            //note: we do not know how to paginate the search page, so for now we will return all news articles
            $_zp_zenpage_articles = $_zp_current_search->getArticles(ZP_ARTICLES_PER_PAGE, NULL, true, NULL, NULL);
        } else {
            if (in_context(ZP_ZENPAGE_NEWS_CATEGORY)) {
                $_zp_zenpage_articles = $_zp_current_category->getArticles(ZP_ARTICLES_PER_PAGE, NULL, false, NULL, NULL);
            } else {
                $_zp_zenpage_articles = $_zp_zenpage->getArticles(ZP_ARTICLES_PER_PAGE, NULL, false, NULL, NULL);
            }
            if (empty($_zp_zenpage_articles)) {
                return NULL;
            }
        }
        $_zp_current_zenpage_news_restore = $_zp_current_zenpage_news;
    }
    if (!empty($_zp_zenpage_articles)) {
        $news = array_shift($_zp_zenpage_articles);
        if (is_array($news)) {
            add_context(ZP_ZENPAGE_NEWS_ARTICLE);
            $_zp_current_zenpage_news = new ZenpageNews($news['titlelink']);
            return true;
        }
    }
    $_zp_zenpage_articles = NULL;
    $_zp_current_zenpage_news = $_zp_current_zenpage_news_restore;
    rem_context(ZP_ZENPAGE_NEWS_ARTICLE);
    return false;
}