Laravel Collection intersect() and intersectByKeys() Method Example

This tutorial is focused on laravel collection intersect example. This article will give you simple example of laravel collection intersect keys example. you'll learn laravel collection intersect opposite. it's simple example of laravel eloquent intersect.

I will give you simple examples of intersect and intersectByKeys 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.

Laravel Collection intersect() Example

Syntax:

$collecton->intersect(
   Array OR Collection
);

Example

public function index()
{
    $collection = collect(["one", "two", "three", "four", "five"]);
  
    $output = $collection->intersect(['two', 'five', 'six', 'seven']);
          
    dd($output);
}

Output:

Illuminate\Support\Collection Object
(
    [items:protected] => Array
        (
            [1] => two
            [4] => five
        )
)

Laravel Collection intersectByKeys() Example

Syntax:

$collecton->intersectByKeys(
   Array OR Collection
);

Example

public function index()
{
    $collection = collect([
                        "id"=>1, 
                        "name"=>"Hardik", 
                        "role"=>"Admin"
                    ]);
  
    $output = $collection->intersectByKeys([
            "id" => 2,
            "name" => "Paresh",
            "city" => "Mumbai"
        ]);
           
    dd($output);
}

Output:

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

I hope it can help you...