Wordpress Orderby rand not working

Question

remove_all_filters('posts_orderby');
$args = array(
    'post_type' => 'attachment',
    'numberposts' => 6,
    'orderby' => 'rand',
    'exclude' => get_post_thumbnail_id(),
    'post_parent' => $post->ID
);

有人能向我解释一下'orderby' => 'rand'部分不工作的原因吗？

谢谢！

Dan

Answer 1

找到了。我需要将'order' => 'post_date',添加到$args中。感谢@BenM的帮助！