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In this article we will cover on how to implement laravel collection flatten example. if you want to see example of laravel collection flatten one level then you are a right place. i would like to share with you laravel collection flatten array. you can see laravel eloquent flatten.

The flatten method will help to convert a multi-dimensional collection into a single dimension.

I will give you simple examples of flatten colletion in laravel. so you can easily use it with your laravel 5, laravel 6, laravel 7, laravel 8, laravel 9, laravel 10 and laravel 11 application. so let's see bellow example that will helps you lot.

Syntax:

$collecton->flatten(
    $depth INT
);

Laravel Collection flatten() Example

public function index()
{
    $collection = collect([
            'name' => 'Hardik', 
            'role' => ['admin', 'manager', 'superadmin'],
            'multi' => 
                [
                    'one',
                    'two' => ['two1', 'two3'],
                    'three'
                ],
        ]);
  
    $flattened = $collection->flatten();
          
    dd($flattened);
}

Output:

Illuminate\Support\Collection Object
(
    [items:protected] => Array
        (
            [0] => Hardik
            [1] => admin
            [2] => manager
            [3] => superadmin
            [4] => one
            [5] => two1
            [6] => two3
            [7] => three
        )
)

Laravel Collection flatten() with depth Example

public function index()
{
    $collection = collect([
            'Apple' => [
                ['name' => 'iPhone 7S', 'brand' => 'Apple'],
            ],
            'Vivo' => [
                ['name' => 'V-85', 'brand' => 'Vivo']
            ],
        ]);
  
    $flattened = $collection->flatten(1);
         
    dd($flattened);
}

Output:

Illuminate\Support\Collection Object
(
    [items:protected] => Array
        (
            [0] => Array
                (
                    [name] => iPhone 7S
                    [brand] => Apple
                )
            [1] => Array
                (
                    [name] => V-85
                    [brand] => Vivo
                )
        )
)

I hope it can help you...