WordPress 技巧:在 WP

今天和同事在使用 WP_Query 的 post__in 参数的时候:


$like_query = new WP_Query(array(
	'post_type'	=> array('post','event'),
	'post__in'	=> array(138,139),
	'orderby'	=> 'post__in',
	'posts_per_page'=> -1
) );

但是返回的结果总是超过这个 138, 139 这两篇,甚是奇怪。后面仔细查看文档,才发现有如下这段话:

ATTENTION If you use sticky posts, they will be included (prepended!) in the posts you retrieve whether you want it or not. To suppress this behaviour use ignore_sticky_posts.

原来如此,我又正好使用了 sticky posts,置顶文章,所以,哎,调试了整整好几个小时,都把 WP 源代码翻烂了。

所以最终的代码应该是:


$like_query = new WP_Query(array(
	'post_type'		=> array('post','event'),
	'post__in'		=> array(138,139),
	'orderby'		=> 'post__in',
	'posts_per_page'	=> -1,
	'ignore_sticky_posts'	=> 1
) );

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