/**
 * 设置文章浏览次数
 */
function setPostViews($postID)
{
    $count_key = 'post_views_count';
    $count = get_post_meta($postID, $count_key, true);
    if ($count == '') {
        $count = 0;
        delete_post_meta($postID, $count_key);
        add_post_meta($postID, $count_key, '1');
    } else {
        $count++;
        update_post_meta($postID, $count_key, $count);
    }
}


/**
 * 获取文章浏览次数
 */
function getPostViews($postID)
{
    $count_key = 'post_views_count';
    $count = get_post_meta($postID, $count_key, true);
    if ($count == '') {
        delete_post_meta($postID, $count_key);
        add_post_meta($postID, $count_key, '0');
        return 0;
    }
    return $count;
}

setPostViews(get_the_ID()); // 更新文章浏览次数
getPostViews(get_the_ID()); // 获取文章浏览次数