add_meta_box( 'linksubmitdiv', __( 'Save' ), 'link_submit_meta_box', null, 'side', 'core' ); add_meta_box( 'linkcategorydiv', __( 'Categories' ), 'link_categories ...

In addition, WP Compose for development can launch a unit test container that you can build your themes or plugins and run unit test. WP Compose has two uses. One is to simply Acsess a WordPress Site.