Laravel Collection Map vs Native PHP array_map

Explore the differences between Laravel's Collection map method and PHP's native array_map function.

PHP Code Editor

<?php
use Faker\Factory;
$faker = Factory::create();
$users = collect()->range(0, 9999)->map(fn() => [
'first_name' => $faker->firstName,
'last_name' => $faker->lastName
]);
$usersAsArray = $users->all();
[,$collectionEach] = Benchmark::value(fn() => $users->map(fn($user) => ['first_name' => 'newName']));
[,$nativeForEach] = Benchmark::value(function() use ($usersAsArray) {
array_map(fn($user) => ['first_name' => 'newName'], $usersAsArray);
});
$result = [
'native' => $nativeForEach .'ms.',
'collection' => $collectionEach.'ms.'
];
if($nativeForEach < $collectionEach) {
 
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Execution Result

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Description

When working with arrays and collections in PHP, developers often face the choice between using Laravel’s Collection::map() method and PHP’s native array_map() function. Both of these tools offer powerful ways to transform data, but they have distinct differences in terms of their features and use cases.

Understanding the Basics
Laravel Collection map()

The map() method in Laravel is a feature of the Illuminate\Support\Collection class. It’s used to iterate over a collection and apply a callback function to each item, returning a new collection:

Key Features of Laravel Collection map()
  • Part of Laravel’s fluent API, integrating seamlessly with other collection methods.
  • Preserves keys, offering more flexibility in how data is handled.
  • Works with objects, offering more robust handling of complex data structures.
Key Features of Native PHP array_map()
  • A native PHP function, which generally offers faster execution for simple transformations.
  • Does not preserve keys by default unless explicitly handled.
Comparing Performance and Use Cases
Performance

In scenarios where performance is critical, array_map() is typically faster because it is a core PHP function. However, the performance difference is often negligible for small or medium-sized datasets.

Use Cases

  • Laravel Collection map() is ideal when working with Eloquent models or when using complex data manipulations within a Laravel application. It offers a more expressive and readable syntax, which can enhance the maintainability of your code.

  • Native PHP array_map() is best used for simple arrays when you need a slight performance edge and are operating outside of the Laravel framework.

Conclusion

Choosing between Collection::map() and array_map() largely depends on the context of your project and the complexity of the task at hand. Laravel’s map() provides better integration and readability within Laravel applications, while array_map() is faster in pure PHP contexts.

Ultimately, understanding the strengths and limitations of each can help you write more efficient and maintainable code.

By understanding these methods comprehensively, you can make more informed decisions in choosing the right tool for your PHP projects.

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