Model
Serialized
Magento\Config\Model\Config\Backend\Serialized
What it does
This backend model handles configuration values that need to be stored as serialized JSON in the database.
Developers use this class as a backend model in system.xml when creating admin configuration fields that store array or complex data structures, automatically converting between arrays and JSON strings during save/load operations.
Public Methods
- beforeSave()
- getOldValue()