Carbon fields is a library for easy creation of custom(meta) fields in WordPress administration panel. It allows theme developer to associate meta-information with various entities in a WordPress site(such as posts, taxonomy terms, widgets and so on).
The library supports PHP 5.3+ and uses PHP namespaces.
The main components of the library are:
- Container – represents and controls a group of fields.
- Field – represents a single field.
- Data Storage – controls the underlying data storage for field values.