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This simple article demonstrates of laravel collection check if key value exists. i explained simply about how to check if key exists in collection laravel. let’s discuss about laravel collection check if value exists. We will use laravel check if collection contains value.

I will give you some examples of how to check value is exists or not in collection in laravel. you can easily add array in laravel 5, laravel 6, laravel 7, laravel 8, laravel 9, laravel 10 and laravel 11.

Let's see example:

Example 1: Laravel Collection Contains Example

public function index()
{
    $collection = collect([
            'Mumbai',
            'New York',
            'London',
            'Rajkot'
        ]);
   
    $collection->contains('Rajkot');  /* true */
    
    $collection->contains('Paris');   /* false */
}

Example 2: Laravel Collection Contains with Key Value Check

public function index()
{
    $collection = collect([
            ['id'=>1, 'name'=>'Hardik'],
            ['id'=>2, 'name'=>'Vimal'],
            ['id'=>3, 'name'=>'Harshad'],
            ['id'=>4, 'name'=>'Harsukh'],
        ]);
  
    $collection->contains('name', 'Harshad'); /* true */
  
    $collection->contains('name', 'Mahesh'); /* false */
}

Example 3: Laravel Eloquent with Collection Contains

public function index()
{
    Product::create(['name'=>'Silver', 'price'=>150]);
    Product::create(['name'=>'Bronze', 'price'=>250]);
    Product::create(['name'=>'Gold', 'price'=>50]);
  
    Product::get()->contains('name', 'Gold'); /* true */
  
    Product::get()->contains('name', 'Red');  /* false */
  
    Product::get()->contains('price', 50);  /* true */
}

Example 4: Laravel Collection Contains with function

public function index()
{
    Product::create(['name'=>'Silver', 'price'=>150]);
    Product::create(['name'=>'Bronze', 'price'=>250]);
    Product::create(['name'=>'Gold', 'price'=>50]);
  
    Product::get()->contains(function($key, $value) {
        return $value->price > 100;
    }); // true
}

Example 5: Laravel Collection Contains with function

public function index()
{
    $collection = collect([100, 150, 200, 250, 300]);
  
    $collection->containsStrict('150');  /* false */
  
    $collection->containsStrict(150);  /* true */
}

I hope it can help you...