yii2-serialized-attributes ActiveRecord behavior that allows you to store arrays in attributes

To attach the behavior put the following code in your model:

public function behaviors()
   	{
   		return [
   			'serializedAttributes' => [
   				'class' => SerializedAttributes::className(),
   				
   				// Define the attributes you want to be serialized
                'attributes' => ['serializedData', 'moreSerializedData'],
   			],
   		];
   	}