Undefined variable post_id in custom quick edit coloumn
Sorry, I’ve had to change my answer after checking the WordPress Codex on adding custom editable data to the quick edit. So you’ll have to remove the references to $post_id too (from the add_action arguments and from within your function). It looks like the quick_edit_custom_box only takes 2 arguments: $column_name and $post_type. Then for getting … Read more