Collection
Group\Collection
Magento\Customer\Model\ResourceModel\Group\Collection
What it does
This collection class provides methods to retrieve and filter customer groups from the database.
Developers use it to load customer group data, filter out specific groups, exclude virtual groups (like NOT LOGGED IN), join tax class information, and format results as option arrays for dropdowns or selects in forms and UI components.
Public Methods
- setIgnoreIdFilter()
- setRealGroupsFilter()
- addTaxClass()
- toOptionArray()
- toOptionHash()