Code Explainers

Laravel code explainers

php 
<?php
 
namespace App\Services;
 

Managing many-to-many tags in Laravel

many-to-many pivot-table collections
Intermediate 9 steps
php 
<?php
 
namespace App\Services;
 

Optimistic locking on invoices in Laravel

optimistic-locking transactions concurrency
Advanced 6 steps
php 
<?php
 
namespace App\Providers;
 

Defining rate limiters in Laravel

rate limiting service provider closures
Intermediate 7 steps
php 
<?php
 
namespace App\Http\Middleware;
 

ETag caching and gzip in Laravel middleware

middleware http-caching etag
Intermediate 8 steps
php 
<?php
 
namespace App\Http\Resources;
 

Shaping API JSON with a Laravel Resource

api serialization data transformation
Intermediate 7 steps
php 
<?php
 
namespace App\Jobs;
 

Building a unique queued job in Laravel

queues background-jobs idempotency
Intermediate 7 steps
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