Basics

If you aren’t a developer and don’t know what “serialization” is, this article will probably be over your head.

In very rare cases, some themes store multiple data points in a single field. Themes shouldn’t do this. It’s not nice, and the practice is generally frowned upon. But, some do. These fields are often called “serialized” fields.

Importing Serialized Fields

it’s same as other simple custom field but value are serialize data. The Serialize feature generates an array with the key => value pairs you specify, and then returns the serialized value of the array.