What are the best practices for passing objects between classes in PHP to avoid issues with session variables?

When passing objects between classes in PHP to avoid issues with session variables, it's important to serialize the object before storing it in the session and unserialize it when retrieving it. This ensures that the object retains its structure and data integrity when passed between classes. Additionally, it's recommended to use a unique identifier for the object in the session to prevent conflicts with other objects. 

// Serialize the object before storing it in the session
$serializedObject = serialize($object);

// Store the serialized object in the session using a unique identifier
$_SESSION['unique_identifier'] = $serializedObject;

// Retrieve the serialized object from the session and unserialize it
$serializedObject = $_SESSION['unique_identifier'];
$object = unserialize($serializedObject);

// Now you can use the object in the new class
$newClass->setObject($object);

Keywords

object-oriented programming dependency injection serialization deserialization session management

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