Multiselect

What it does

This class handles multiselect attribute data operations in Magento 2's EAV system.

Developers use it when working with attributes that allow multiple option selections, such as product categories or custom multiselect attributes.

It manages extracting values from requests, validating selections against available options, and formatting output for display or storage.

Public Methods

• extractValue()
• compactValue()
• outputValue()
• validateValue()
• restoreValue()