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Discover how to efficiently use `Laravel mutators` to modify attribute display without affecting database values, enhancing the user experience.
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This video is based on the question https://stackoverflow.com/q/68190083/ asked by the user 'justsimpleuser' ( https://stackoverflow.com/u/11466813/ ) and on the answer https://stackoverflow.com/a/68192035/ provided by the user 'lewis4u' ( https://stackoverflow.com/u/2502731/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Understanding Laravel Mutators: Display Modifications Without Storing Changes

When building applications using Laravel, a popular PHP framework, you may encounter situations where you need to present data to your users in a different format than what is stored in the database. This can create confusion about how to efficiently manipulate data for display purposes without altering the original values stored in your database. Today, we'll explore how to utilize Laravel mutators to achieve this seamlessly.

What Are Laravel Mutators?

Mutators are methods in Eloquent models that allow you to alter the attribute values when they are accessed or set. By default, when you create or update a model, these attributes are saved as they are. However, mutators enable you to change the way data is presented to users while leaving the original database values untouched.

Example of a Basic Mutator

Here's a simple example to illustrate. Suppose you have a user model and you want to display the user's name in a capitalized format. You can achieve this by defining a getter in your model:

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In the code above, getSomeNameAttribute is the mutator function that modifies how the some_name attribute is displayed to the user. This change is purely cosmetic and does not affect the actual value that is stored in the database.

Implementing a Setter to Fetch Original Values

Sometimes, you may need to retrieve the original value of an attribute, especially when working with setters. To achieve this, Laravel provides methods that allow you to access the original value stored in the database even after modifications. Here’s how:

Accessing Original Values in Setters

If you wish to set an attribute but also want to reference its original database value, you can do this inside a setter method. Here’s how it looks:

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In this example, $this->getOriginal('some_name') will return the original value of some_name before the current update. For Laravel versions 8 and upward, you can also use:

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Conclusion

Utilizing Laravel mutators effectively allows you to customize how data is presented to your users without impacting the data stored in your database. This is especially helpful in keeping your application user-friendly while preserving the integrity of your database.

Whether you are displaying names, formatting numbers, or even managing complex data types, mutators provide a flexible solution. Start implementing them in your projects to enhance your data display management today!

Remember, with the power of mutators at your fingertips, you have the ability to make your Laravel applications more intuitive and engaging for your users.