CMB2 Page Select field
Custom field for CMB2 which adds a post-search dialog for searching/attaching other post IDs.
Adds a new text field type (with a button), page_select_text that adds a quick post search dialog for saving post IDs to a text input.
Example
// Classic CMB2 declaration
$cmb = new_cmb2_box( array(
'id' => 'prefix-metabox-id',
'title' => __( 'Post Info' ),
'object_types' => array( 'post', ), // Post type
) );
// Add new field
$cmb->add_field( array(
'name' => __( 'Related post' ),
'id' => 'prefix_related_post',
'type' => 'page_select_text', // This field type
// post type also as array
'post_type' => 'post',
// Default is 'checkbox', used in the modal view to select the post type
'select_type' => 'radio',
// Will replace any selection with selection from modal. Default is 'add'
'select_behavior' => 'replace',
) );