Скачать или смотреть How to Serialize PHP 7 and Laravel 8 Models with Private Variables in Redis

Discover how to efficiently serialize models in PHP 7 and Laravel 8 to include private variables when caching with Redis.
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Serializing Complex Models in PHP 7 and Laravel 8

Upgrading your PHP and Laravel version can introduce new challenges, particularly when dealing with object serialization. If you're moving from PHP 5.4 and Laravel 4.2 to PHP 7.4 and Laravel 8, you may be facing a situation where your private model variables aren't being serialized as expected. This guide will guide you through this common issue and provide a straightforward solution.

The Problem: Missing Private Variables During Serialization

In previous versions of PHP and Laravel, using serialize() on a model would include both public and private properties, allowing for comprehensive data caching in systems like Redis. However, with the introduction of PHP 7.4 and Laravel 8, this behavior changed. When you attempt to serialize your model, private variables are not included, leading to incomplete data when interacting with your models.

Example of the Model

Here’s a simplified version of what the model might look like:

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The Need for Serialization

In your scenario, caching the full state of the model, including private variables, is essential for maintaining the integrity of user interactions before changes are committed to the database.

The Solution: Utilizing Laravel Traits

To overcome this limitation in Laravel 8, you can make use of the \Illuminate\Queue\SerializesModels trait. This trait enables your Eloquent models to serialize private properties as part of the Laravel serialization process.

Steps to Implement

Here’s how you can modify your model to incorporate this trait:

Import the Trait: Ensure you include the necessary namespace in your model.

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Add the Trait to Your Model: You can then include the trait in your model class definition.

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Example of Updated Cache Methods

Your caching methods can remain the same since the model now properly handles private variables during serialization.

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Conclusion

By using the \Illuminate\Queue\SerializesModels trait in your Eloquent models, you can successfully serialize private variables along with the rest of your model data. This ensures your caching in Redis remains intact and functional, streamlining user interactions up until the point of database persistence.

Implement these changes to enhance your application's efficiency during your migration to PHP 7.4 and Laravel 8. Happy coding!