Laravel Collection Count and CountBy Method Example

I am going to explain you example of laravel collection count example. you will learn laravel collection countby example. This tutorial will give you simple example of count collection laravel. you can see laravel collection count by key.

I will give you list of examples of count and countby colletion in laravel. so you can easily use it with your laravel 5, laravel 6 and laravel 7 application. so let’s see bellow example that will helps you lot.

 $multi = array(
 ['1'] => array('id'=>1,'name'=>'hardik'),
 ['2'] => array('id'=>1,'name'=>'vimal'),
 ['3'] => array('id'=>1,'name'=>'harshad'),
)

 $test = array('hardik','vimal','harshad');

$result = array_column($multi, 'name');

Count Syntax:

$collecton->count();

Laravel Collection count() Example

public function index()
{
    $collection = collect([1, 2, 3, 4, 5, 6]);
    $count = $collection->count();
    dd($count);
}

Output:

6

CountBy Syntax:

$collecton->countBy(
	$callback
);

Laravel Collection countBy() Example

public function index()
{
    $collection = collect(["one", "two", "two", "three", "three", "four"]);
    $count = $collection->countBy();
    dd($count);
}

Output:

IlluminateSupportCollection Object
(
    [items:protected] => Array
        (
            [one] => 1
            [two] => 2
            [three] => 2
            [four] => 1
        )
)

Laravel Collection countBy() with function Example

public function index()
{
    $collection = collect([
            ["id"=>1, "name"=>"Hardik", "role"=>"Admin"],
            ["id"=>2, "name"=>"Paresh", "role"=>"Admin"],
            ["id"=>3, "name"=>"Rakesh", "role"=>"User"],
        ]);
    $count = $collection->countBy(function ($item) {
                    return $item['role'];
                });
    dd($count);
}

Output:

IlluminateSupportCollection Object
(
    [items:protected] => Array
        (
            [Admin] => 2
            [User] => 1
        )
)

I hope it can help you…