WP - Admin Columns Plugin - Filter Meta / Change Values

add_filter('cpac_get_column_value_custom_field', 'my_custom_value', 10, 3);
function my_custom_value( $meta, $fieldtype, $field ) {
    fb($field);
        switch($field){
            case "ev_hide_date":
                if($meta == 1){
                    $meta = "<span style='color: #eee; background: #C9161A; padding: 2px 5px; border-radius: 2px;'>date hidden</span>";
                }else{
                    $meta = "";
                }
            break;
        }

    // change output on custom-fields KEY
/*
    if ( 'my_custom_field_key' == $field )
        $meta = 'my custom text';

    // change output on custom-fields VALUE
    if ( 'my_custom_field_value' == $meta )
        $meta = 'another custom text';
*/
    return $meta;
}