pre-get-posts - Read For Learn

For some reason the add_action( ‘pre_get_posts’, ‘category_custom_orderby’ ); hook isn’t working. Yes, and it’s because on the Categories admin page (where you can see the Categories list table), the list table uses WP_Term_Query and not WP_Query, hence the above hook (pre_get_posts) is not fired. So instead of the above add_action(), try using the parse_term_query hook … Read more

Order resultset by configured value and then list all the rest

This isn’t possible with WP_Query. To achieve your goal multiple queries are necessary, one for each country, with the results fetched separately then combined in PHP manually. You also can’t use meta_query to sort, meta_query is for filtering/searching post meta, which is very expensive and gets slower as your meta table gets larger. Post meta … Read more

unable to customize query to get filtered products by meta_key

meta_query Array

Probably what you wnat do is : update_post_meta( $post_id, $meta_key, serialize($meta_value)); or to create : add_post_meta( $post_id, $meta_key, serialize($meta_value)); or to delete : delete_post_meta( $post_id, $meta_key);

Make a products only viewable to a specific user ID in meta_query pre_get_posts

Main query disturb pre_get_post by category query

Use the different variable names on the place of $posts. You should not use any of the global variable names for avoiding such incidents. Also, call wp_reset_query() after fetching your data. This will reset the query to default. For the list of global variables please refer to this link. Edit your query to read like … Read more

Search custom posts by meta key in admin

Detect Ajax call inside pre_get_posts function

Unless you pass through that information that it’s on that archive page there is no way for the request handling the AJAX response to know. Remember that every new request to the server is a blank slate, there’s no shared context that follows the page from the initial request to the AJAX requests unless you … Read more

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is_user_logged_in not working from WP-API (wp-json)

Add terms to a taxonomy archive from within the same taxonomy

Sort categories by custom field in WordPress admin