Function cmb2_get_metabox
Retrieve a CMB2 instance by the metabox ID
		Package: CMB2
License: GPL-2.0+
Author: CMB2 team
Since: 2.0.0
Located at includes/helper-functions.php
	
	License: GPL-2.0+
Author: CMB2 team
Since: 2.0.0
Located at includes/helper-functions.php
Parameters summary
| mixed | $meta_box | Metabox ID or Metabox config array. | 
| integer|string | $object_id = 0 | Object ID (string for options-page). | 
| string | $object_type = '' | <p>Type of object being saved. (e.g., post, user, term, comment, or options-page). Defaults to metabox object type.</p> | 
Return value summary
| 
				 | object |