Laravel Collection Duplicates Method Example

By Hardik Savani | April 18, 2020 | Category : Laravel


Today, i will let you know example of laravel collection duplicates example. i explained simply about laravel collection duplicates count. This article goes in detailed on laravel collection count duplicates. This article goes in detailed on duplicate collection laravel example.

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

Syntax:

$collecton->duplicates(

Key As Optional

);

Laravel Collection duplicates() Example

public function index()

{

$collection = collect([1, 2, 3, 3, 4, 4, 4, 5]);

$collection = $collection->duplicates();

dd($collection);

}

Output:

Illuminate\Support\Collection Object

(

[items:protected] => Array

(

[3] => 3

[5] => 4

[6] => 4

)

)

Laravel Collection duplicates() with Argument Example

public function index()

{

$collection = collect([

["id"=>1, "name"=>"Hardik", "role"=>"Admin"],

["id"=>2, "name"=>"Paresh", "role"=>"Admin"],

["id"=>3, "name"=>"Rakesh", "role"=>"User"],

]);

$collection = $collection->duplicates('role');

dd($collection);

}

Output:

Illuminate\Support\Collection Object

(

[items:protected] => Array

(

[1] => Admin

)

)

Laravel Collection duplicates Count Example

public function index()

{

$collection = collect([

['id'=>1, 'name'=>'Hardik', 'city' => 'Mumbai', 'country' => 'India'],

['id'=>2, 'name'=>'Vimal', 'city' => 'New York', 'country' => 'US'],

['id'=>3, 'name'=>'Harshad', 'city' => 'Gujarat', 'country' => 'India'],

['id'=>4, 'name'=>'Harsukh', 'city' => 'New York', 'country' => 'US'],

]);

$grouped = $collection->groupBy('country')->map(function ($row) {

return $row->count();

});

dd($grouped);

}

Output:

Illuminate\Support\Collection Object

(

[items:protected] => Array

(

[India] => 2

[US] => 2

)

)

I hope it can help you...




Hardik Savani
My name is Hardik Savani. I'm a full-stack developer, entrepreneur and owner of Aatman Infotech. I live in India and I love to write tutorials and tips that can help to other artisan. I am a big fan of PHP, Javascript, JQuery, Laravel, Codeigniter, VueJS, AngularJS and Bootstrap from the early stage.
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