array( 'id', null ), '2mclb_rider_instances' => array( 'id', 'hp_vendor' ), '2mclb_collaborators' => array( 'id', null ), '2mclb_confirmations' => array( 'id', null ), '2mclb_comments' => array( 'id', null ), '2mclb_rider_history' => array( 'id', null ), '2mclb_venue_profiles' => array( 'id', null ), ); foreach ( $tables as $table_name => $meta ) { $registry->register( '2meet-collab', array( 'table_name' => $table_name, 'primary_key' => $meta[0], 'post_type_link' => $meta[1], ) ); } } }