Laravel Collection Get Unique Values Example

Here, I will show you how to works laravel collection get unique values. This tutorial will give you simple example of how to get unique values from array in laravel. I would like to share with you laravel collection unique values. I explained simply about laravel collection unique by column. you will do the following things for laravel collection unique case insensitive.

I will give you simple two example how to get unique value from laravel collection object and you can use it with laravel 6, laravel 7 and laravel 9 version.

let's see bellow examples:

Example 1:

Controller Code:

<?php
  
namespace App\Http\Controllers;
  
class ITSController extends Controller
{
    /**
     * Write code on Method
     *
     * @return response()
     */
    public function index()
    {
        $data = [1,2,4,5,3,2,2,4,5,6,8,9];
  
        $data  = collect($data)->unique();
  
        dd($data);
    }
}

Output:

Array
(
    [0] => 1
    [1] => 2
    [2] => 4
    [3] => 5
    [4] => 3
    [9] => 6
    [10] => 8
    [11] => 9
)

Example 2:

Controller Code:

<?php
  
namespace App\Http\Controllers;
  
class ITSController extends Controller
{
    /**
     * Write code on Method
     *
     * @return response()
     */
    public function index()
    {
        $data = collect( [
            [
                [ "id" => 1, "name" => "Hardik"],
                [ "id" => 1, "name" => "Hardik"],
                [ "id" => 2, "name" => "Mahesh"],
                [ "id" => 3, "name" => "Rakesh"],
            ],
            [
                [ "id" => 1, "name" => "Hardik"],
                [ "id" => 3, "name" => "Kiran"],
            ]
        ] );
  
        $data = $data->map(function ($array) {
            return collect($array)->unique('id')->all();
        });
   
        dd($data);
    }
}

Output:

Array
(
    [0] => Array
        (
            [0] => Array
                (
                    [id] => 1
                    [name] => Hardik
                )
            [2] => Array
                (
                    [id] => 2
                    [name] => Mahesh
                )
            [3] => Array
                (
                    [id] => 3
                    [name] => Rakesh
                )
        )
    [1] => Array
        (
            [0] => Array
                (
                    [id] => 1
                    [name] => Hardik
                )
            [1] => Array
                (
                    [id] => 3
                    [name] => Kiran
                )
        )
)

i hope it can help you...