Скачать или смотреть Solving the Serialization of 'Closure' is not allowed Error in Laravel Caching

Learn how to correctly implement caching in Laravel to avoid serialization errors and boost your application's performance with effective caching strategies.
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This video is based on the question https://stackoverflow.com/q/69436568/ asked by the user 'Irakli' ( https://stackoverflow.com/u/16240663/ ) and on the answer https://stackoverflow.com/a/69436879/ provided by the user 'aynber' ( https://stackoverflow.com/u/1007220/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Solving the Serialization of 'Closure' is not allowed Error in Laravel Caching

Caching can greatly enhance your application's performance, allowing you to store data temporarily for quicker retrieval. However, implementing caching in Laravel can sometimes lead to frustrating issues, one of which is the Serialization of 'Closure' is not allowed error. In this post, we will dive into this issue and explore a step-by-step solution to set up caching effectively in Laravel.

The Problem: Understanding the Error

A common scenario developers encounter is trying to cache a complex dataset. If you're trying to cache a view and include it within a closure, Laravel may throw an error. This occurs because closures (anonymous functions) cannot be serialized easily.

In your specific case, you tried to cache multiple parameters in one key, and that's where the error arose. You ended up with heavy computations inside the cache closure, which is problematic.

Error Message

[[See Video to Reveal this Text or Code Snippet]]

This error typically occurs when you attempt to return or even use a closure inside a cached function.

The Solution: Refactor Your Code

To resolve the issue, you will need to refactor your caching logic. Here's how you can efficiently implement caching without triggering serialization errors.

Step 1: Modify the Cache Implementation

Instead of trying to cache the entire structure including the view, focus on caching just the data needed to render the view. Follow these steps:

Original Code

This is the original code that led to the error:

[[See Video to Reveal this Text or Code Snippet]]

Refactored Code

Here is the corrected code:

[[See Video to Reveal this Text or Code Snippet]]

Key Changes Explained

Moving the View Outside of Cache:

The original code attempted to cache the view itself. In the refactored version, we cache only the data required for the view.

Returning Data as Array:

The cached function now returns an array of parameters. This eliminates closures from being serialized and resolves the problem.

Using the Cached Data:

Once the data is retrieved from the cache, we pass it directly to the view, allowing it to render correctly without serialization issues.

Conclusion

By following these steps, you can effectively implement remember caching in Laravel without running into serialization errors. This approach not only enhances performance but also streamlines your code for better maintainability.

If you encounter similar caching issues in your Laravel applications, remember to keep your closures simple and avoid including complex structures like views. Happy coding!