In this tutorial, I’ll show you how to sort collections in Laravel 12 using sortByDesc() and other helpful methods. Whether you're sorting by simple values, counts, dates, multiple columns, or even relationship data, I’ll walk you through each example step by step with simple and clear code snippets.

How to sortByDesc a Collection in Laravel 12

Laravel Collections provide powerful methods like sortBy(), sortByDesc(), and sort() to manipulate arrays and data structures easily. Below are several ways to sort your collection in descending order.

 

Example 1: Sort By Desc

use Illuminate\Support\Collection;

$collection = collect([
    ['name' => 'John', 'score' => 75],
    ['name' => 'Alice', 'score' => 90],
    ['name' => 'Bob', 'score' => 85],
]);

$sorted = $collection->sortByDesc('score');

$sorted->values()->all();
// Output:
// [
//     ['name' => 'Alice', 'score' => 90],
//     ['name' => 'Bob', 'score' => 85],
//     ['name' => 'John', 'score' => 75],
// ]

 

Example 2: Sort By Desc Count

$collection = collect([
    ['name' => 'Apple', 'items' => [1, 2, 3]],
    ['name' => 'Banana', 'items' => [1]],
    ['name' => 'Orange', 'items' => [1, 2]],
]);

$sorted = $collection->sortByDesc(fn($item) => count($item['items']));

$sorted->values()->all();
// Output:
// [
//     ['name' => 'Apple', 'items' => [1, 2, 3]],
//     ['name' => 'Orange', 'items' => [1, 2]],
//     ['name' => 'Banana', 'items' => [1]],
// ]

 

Example 3: Sort By Date Desc

$collection = collect([
    ['title' => 'Post A', 'created_at' => '2024-12-10'],
    ['title' => 'Post B', 'created_at' => '2024-12-12'],
    ['title' => 'Post C', 'created_at' => '2024-12-08'],
]);

$sorted = $collection->sortByDesc('created_at');

$sorted->values()->all();
// Output:
// [
//     ['title' => 'Post B', 'created_at' => '2024-12-12'],
//     ['title' => 'Post A', 'created_at' => '2024-12-10'],
//     ['title' => 'Post C', 'created_at' => '2024-12-08'],
// ]

 

Example 4: Sort By Desc Multiple Columns

$collection = collect([
    ['name' => 'John', 'score' => 90],
    ['name' => 'John', 'score' => 85],
    ['name' => 'Alice', 'score' => 95],
]);

$sorted = $collection->sortByDesc([
    ['name', SORT_REGULAR],
    ['score', SORT_NUMERIC],
]);

$sorted->values()->all();
// Output:
// [
//     ['name' => 'John', 'score' => 90],
//     ['name' => 'John', 'score' => 85],
//     ['name' => 'Alice', 'score' => 95],
// ]

 

Example 5: Sort By Desc Relation

Assuming you have a collection of posts with a related comments count:

$posts = Post::withCount('comments')->get();

$sorted = $posts->sortByDesc('comments_count');

$sorted->values()->all();
// Output: Posts sorted by comments count in descending order

 

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