pre_get_posts is an action hook used for modifying the arguments passed to the WP_Query class, and if you’re filtering the posts in the list table at wp-admin/edit.php, then yes, you would use that hook. However, since you’re filtering the terms in the list table at wp-admin/edit-tags.php, then the hook that you should have used is … Read more
You can use the post meta arguments that get_posts function already supports. So, there is no need to use get_post_meta function in a PHP loop. For your use case, post meta related arguments can be used in one of the two possible ways: Either using meta_key, meta_value, meta_compare arguments; Or, using the meta_query argument which … Read more
WP Query Args – search by meta_key or title
How to add new Metadata options (Date, Author, etc.) for Posts?
save all acf options in one meta_value [closed]
acf_form() – “On Update” action [closed]
After a while attachment meta data is missing “sizes” data
if condition from post_meta not working in save_post
How do I get a function to work in single.php
by this action can add extra meta to order add_action(‘woocommerce_checkout_update_order_meta’,function( $order_id, $posted ){ update_post_meta( $order_id, ‘my_custom_meta_key’, ‘my data’ ); } , 10, 2); $order_id is the id of the order, which is stored as a custom post type $posted is all the data from $_POST