Improve the CPT list in the backend for your CPTs
composer require wpbp/cpt_columns:dev-master
composer-php52 supported.
$post_columns = new CPT_columns( 'demo' );
$post_columns->add_column( 'cmb2_field', array(
'label' => __( 'CMB2 Field' ),
'type' => 'post_meta', //text, thumbnail, post_meta, author, custom_tax, custom_value
'meta_key' => '_demo_meta_text',
'orderby' => 'meta_value', // For WP-Query
'sortable' => true,
'prefix' => '<b>',
'suffix' => '</b>',
'def' => 'Not defined', // Default value in case post meta not found
'order' => '-1' // This is the last column
)
);