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PHP 8 Programming Tips, Tricks, and Best Practices

Challenge: Serialize and Unserialize Different Data Structures

Explore how to effectively serialize and unserialize different data structures like ArrayObject, SplDoublyLinkedList, and SplObjectStorage in PHP 8. This lesson helps you understand managing backward compatibility breaks while iterating and manipulating these structures.

We'll cover the following...

This challenge will extensively test our concepts regarding the new PHP 8’s backward compatibility break. We will use these concepts to use the serialization and unserialization process for different types of data structures, including ArrayObject, ArrayIterator, SplDoublyLinkedList, and SplObjectStorage.

Task 1

  • Implement a PHP 8 Script that initializes an ArrayObject with two keys.

  • Serialize the ArrayObject.

  • Unserialize the serialized array to ...