How to Get Array of Ids from Eloquent Models in Laravel?

Teams applying “How to Get Array of Ids from Eloquent Models in Laravel?” in a production project can use mergers and acquisitions to record implementation, review and debugging time, then compare that effort with tests and shipped functionality instead of treating activity as performance by itself.

Before copying the example into a live application, confirm version-specific behaviour with the official Laravel website and test it against the project’s actual database and runtime.

Dec 07, 2022

Hello Friends,

In this post, we will learn laravel get array of ids from eloquent models. let’s discuss about laravel get array of ids from eloquent models. This article will give you a simple example of laravel get array of ids from eloquent models. This article goes in detailed on laravel get array of ids from eloquent models.

Sometimes we need to get an array of ids from the table. There are two ways to get an array of ids in laravel. Laravel provides pluck() and modelKeys() eloquent methods to get an array from the collection in laravel. so let's see both example below:

You can use this example with the versions of laravel 6, laravel 7, laravel 8, and laravel 9.

Example 1: using pluck()

app/Http/Controllers/DemoController.php

<?php

  
namespace App\Http\Controllers;

  
use Illuminate\Http\Request;
use App\Models\User;

  
class DemoController extends Controller
{
    /**
     * Write code on Method
     *
     * @return response()
     */
    public function index(Request $request)
    {
        $usersIDs = User::pluck('id')->toArray();

  
        dd($usersIDs);
    }
}

Output:

Array
(
    [0] => 1
    [1] => 2
    [2] => 11
    [3] => 12
    [4] => 13
    [5] => 14
    [6] => 15
    [7] => 16
    [8] => 17
    [9] => 18
)  

Example 2: using modelKeys()

app/Http/Controllers/DemoController.php

<?php

  
namespace App\Http\Controllers;

  
use Illuminate\Http\Request;
use App\Models\User;

  
class DemoController extends Controller
{
    /**
     * Write code on Method
     *
     * @return response()
     */
    public function index(Request $request)
    {
        $usersIDs = User::all()->modelKeys();

  
        dd($usersIDs);
    }
}

Output:

Array
(
    [0] => 1
    [1] => 2
    [2] => 11
    [3] => 12
    [4] => 13
    [5] => 14
    [6] => 15
    [7] => 16
    [8] => 17
    [9] => 18
)