Examples

• Teacher’s classes
• Student’s classes
• Class students

Implementation (Options)

1. Metadata
• Store history in usermeta/postmeta (depending on object storing history for)
• Example: Teacher’s class history
• usermeta properties (Array of arrays or objects)
• id: class ID
• date_start: [start date] (when user added to class)
• date_end: [end date] (when user removed from class)
• Example: Teacher(s) of old class (class no longer active)
• postmeta properties
• key: teachers – Array of user IDs
• Contains most current list of teachers for class