Learn Laravel 10 Collection filter() Tutorial for Beginners

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This tutorial explains how you use the powerful filter() method in Laravel 10 collections. Working with data is at the heart of web development, as a Laravel developer you understand. When it comes to quickly retrieving and modifying data within collections, the filter() method opens up a world of options.

You will see the concept of Step-by-step guide to using Laravel 10 Collection filter() method.

The Illuminate\Support\Collection class provides a fluent, convenient wrapper for working with arrays of data. For example, check out the following code. We’ll use the collect helper to create a new collection instance from the array.

Read More: How To Get Unique values in Laravel 10 Collection Tutorial

As mentioned above, the collect helper returns a new  Illuminate\Support\Collection instance for the given array.

So, creating a collection is as simple as:

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

Let’s get started.

Laravel Installation

Open terminal and run this command to create a laravel project.

composer create-project laravel/laravel myblog

It will create a project folder with name myblog inside your local system.

To start the development server of laravel –

php artisan serve

URL: http://127.0.0.1:8000

Assuming laravel already installed inside your system.

Laravel Collection – filter() Method

We will see how to use filter() into collection.

Suppose we have SiteController.php a controller file inside /app/Http/Controllers folder.

Read More: Step-by-Step Guide To Merge Eloquents in Laravel 10 Collection

Code Example #1

Laravel Collection filter() with multi dimensional array.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class SiteController extends Controller
{
    public function index()
    {
        $students = collect([
            ["id" => 1, "name" => "Sanjay", "email" => "sanjay@gmail.com", "marks" => 88],
            ["id" => 2, "name" => "Vijay", "email" => "vijay@gmail.com", "marks" => 70],
            ["id" => 3, "name" => "Ashish", "email" => "ashish@gmail.com", "marks" => 75]
        ]);

        $passed = $students->filter(function ($value, $key) {
            return data_get($value, 'marks') > 70;
        });

        $passed = $passed->all();

        dd($passed);
    }
}

Concept

$passed = $students->filter(function ($value, $key) {
      return data_get($value, 'marks') > 70;
});

Output

Code Example #2

Laravel Collection filter() with single dimensional array.

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

class SiteController extends Controller
{
    public function index()
    {
        $data = collect([2, 3, 5, null, false, '', 0, []]);

        $data = $data->filter()->all();

        dd($data);
    }
}

Read More: How To Get Last Record of Database Table in Laravel 10

In this case it will remove the false values from array

We hope this article helped you to Learn Laravel 10 Collection filter() Tutorial for Beginners in a very detailed way.

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Sanjay KumarHello friends, I am Sanjay Kumar a Web Developer by profession. Additionally I'm also a Blogger, Youtuber by Passion. I founded Online Web Tutor and Skillshike platforms. By using these platforms I am sharing the valuable knowledge of Programming, Tips and Tricks, Programming Standards and more what I have with you all. Read more