متد Push() و متد Put() از کالکشن لاراول

public function index()
{
    $collection = collect(['one', 'two', 'three']);
    $collection->push('four');
    $collection->all();
    dd($collection);
}

Illuminate\Support\Collection Object
(
    [items:protected] => Array
        (
            [0] => one
            [1] => two
            [2] => three
            [3] => four
        )
)

public function index()
{
    $collection = collect([
        ['id'=>1, 'name'=>'Iman'],
        ['id'=>2, 'name'=>'Aria'],
        ['id'=>3, 'name'=>'Marjan'],
    ]);
    $collection->push(['id'=>4, 'name'=>'Nima']);
    $collection->all();
    dd($collection);
}

Illuminate\Support\Collection Object
(
    [items:protected] => Array
        (
            [0] => Array
                (
                    [id] => 1
                    [name] => Iman
                )
            [1] => Array
                (
                    [id] => 2
                    [name] => Aria
                )
            [2] => Array
                (
                    [id] => 3
                    [name] => Marjan
                )
            [3] => Array
                (
                    [id] => 4
                    [name] => Nima
                )
        )
)

public function index()
{
    $collection = collect(['id' => 1, 'name' => 'Iman']);
    $collection->put('role', 'admin');
    $collection->all();
    dd($collection);
}

Illuminate\Support\Collection Object
(
    [items:protected] => Array
        (
            [id] => 1
            [name] => Iman
            [role] => admin
        )
)