Code Explainers

Laravel code explainers

php 
<?php
 
namespace App\Models;
 

Making an Eloquent model searchable with Scout in Laravel

full-text-search indexing eloquent
Intermediate 8 steps
php 
<?php
 
namespace App\Jobs;
 

Serializing balance reconciliation in Laravel

queues concurrency idempotency
Intermediate 7 steps
php 
<?php
 
namespace App\Services;
 

Phone verification codes in Laravel

rate-limiting caching hashing
Intermediate 7 steps
php 
<?php
 
namespace App\Http\Middleware;
 

Verifying webhook signatures in Laravel

hmac middleware webhooks
Intermediate 7 steps
php 
<?php
 
namespace App\Http\Controllers;
 

Streaming job progress with SSE in Laravel

server-sent-events streaming polling
Advanced 8 steps
php 
<?php
 
namespace App\Http\Requests;
 

How a Laravel FormRequest validates invoices

validation authorization form-request
Intermediate 6 steps
php 
<?php
 
namespace App\Services;
 

Placing an order atomically in Laravel

transactions pessimistic-locking concurrency
Advanced 8 steps
php 
<?php
 
namespace App\Http\Controllers;
 

Time-limited signed download links in Laravel

signed urls authorization file streaming
Intermediate 6 steps
php 
<?php
 
namespace App\Http\Requests;
 

Normalizing input in a Laravel FormRequest

validation authorization input-normalization
Intermediate 6 steps
php 
<?php
 
namespace Database\Seeders;
 

Building blog test data with Laravel factories

seeding factories relationships
Intermediate 9 steps
php 
<?php
 
namespace App\Notifications;
 

How a queued weekly digest email works in Laravel

notifications queues email
Intermediate 7 steps
php 
public function importCustomers(UploadedFile $file): array
{
    $errors = [];
    $imported = 0;

Validating a CSV import in Laravel

csv-parsing validation error-accumulation
Intermediate 8 steps
php 
<?php
 
namespace App\Console\Commands;
 

Streaming CSV imports in Laravel

lazy-evaluation generators batch-processing
Intermediate 7 steps
php 
<?php
 
namespace App\Services;
 

Resilient HTTP retries with Laravel's client

http-client retry-logic error-handling
Intermediate 7 steps
php 
<?php
 
namespace App\Services;
 

Building signed, expiring download URLs in PHP in Laravel

hmac url-signing authentication
Intermediate 7 steps
php 
<?php
 
namespace App\Services\Provisioning;
 

Sequencing site setup with Laravel job chains

job chains queues async workflows
Intermediate 6 steps
php 
<?php
 
namespace App\Casts;
 

How a custom Eloquent cast wraps an Address in Laravel

value-objects serialization data-mapping
Intermediate 7 steps
php 
use Illuminate\Support\Facades\Route;
use App\Http\Controllers\Admin\DashboardController;
use App\Http\Controllers\Admin\UserController;
use App\Http\Controllers\Admin\ReportController;

How nested route groups compose in Laravel

routing middleware authorization
Intermediate 8 steps