Add Custom Columns To Post Type
Declaring a new admin column in our WordPress admin’s list pages is a common task. Fortunately, we can do it quickly.
To create new columns for a WP post type of custom post type, we need two filters:
One usual case is when we create a custom post type and add a custom taxonomy to it. Our taxonomy not appended to the admin columns automatically, so we need to declare it like the following:
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