OK… First of all, `$query->set( ‘orderby’, ‘pa_od’ );’ will most probably do nothing. You can’t order by some string and think that WordPress will guess what that is. Here is the list of possible orderby values: https://codex.wordpress.org/Class_Reference/WP_Query#Order_.26_Orderby_Parameters If you want to order by custom field, then you have to do it this way: $query->set( ‘meta_key’, … Read more
The parameter orderby sorts posts by a given parameter. You need the parameter order to set the direction. More details: Order & Orderby Parameters of WP_Query
From what you are describe, I think you have a very simple and common (I’m certainly guilty) mistake. In taxonomy-computer.php, you have put your code after while ( have_posts() ) : the_post();. The result is that it executes not once, but every time a “computer” post is displayed. To fix the problem, you need to … Read more
Why does this incorrect pre_get_posts meta_query work for sort order?
Modify a query with no results in pre_get_posts
The only way that I’ve found to override the main author archive query in a way that will include posts that aren’t created by the specified user is by using the posts_where filter. For example: $post_ids = function_that_gets_desired_post_ids(); add_filter(‘posts_where’, function($where) use ($post_ids){ $post_ids = array_map(function($id){ return (int) $id; }, $post_ids); $in = implode(‘,’, $post_ids); $where … Read more
The pre_get_posts action runs any time posts are queried. This obviously includes the main query for displaying your latest posts or the current page, but it also includes any other time posts are queried. So that would include any use of WP_Query() or get_posts() in a plugin or your templates, any Recent Posts or similar … Read more
There’s quite a few issues with this code: $query is not defined in your callback function. role is not a valid argument for a query. You’re passing the $ids variable incorrectly. To query for multiple authors you need to use author__in. You’re checking is_category() incorrectly. For the first issue, the problem is that you’re not … Read more
Change post category within pre_get_posts
Please use ‘meta_value’ => ‘meta_value_num’ instead of ‘AC’. You can also take help from documentation to see which parameters you can pass for order attribute in the query => https://codex.wordpress.org/Class_Reference/WP_Query#Order_.26_Orderby_Parameters