Using CMB to create an Admin Theme Options Page - krunchness/CMB2 GitHub Wiki

This snippet has been moved to the CMB2 Snippet Library.

Remember to replace instances of myprefix and Myprefix with something unique to your code.

Retrieving saved data from the options page

Use the myprefix_get_option function included in the above snippets (obviously changing the prefix):

$field_value = myprefix_get_option( 'field_id' );