Code Explainers

Php code explainers

php 
<?php
 
namespace App\Http\Controllers;
 

Processing refunds safely in Laravel

dependency injection validation database transactions
Intermediate 8 steps
php 
<?php
 
namespace App\Models;
 

Auto-generating unique slugs in Laravel

eloquent model-events slugs
Intermediate 8 steps
php 
namespace App\Console\Commands;
 
use App\Models\Region;
use App\Services\ReportBuilder;

How a Laravel command warms report caches

caching cache-warming artisan-command
Intermediate 5 steps
php 
class Cart extends Model
{
    protected $fillable = ['user_id'];
 

Modeling a shopping cart in Laravel

eloquent relationships domain-model
Intermediate 7 steps
php 
<?php
 
namespace App\Services;
 

Throttling login attempts in Laravel

rate-limiting authentication security
Intermediate 6 steps
php 
<?php
 
namespace App\Http\Requests;
 

Validating nested order payloads in Laravel

validation authorization nested-data
Intermediate 8 steps
php 
<?php
 
namespace App\Http\Middleware;
 

A scheduled maintenance-window middleware in Laravel

middleware caching http-responses
Intermediate 7 steps
php 
<?php
 
namespace App\Services;
 

Building a profanity filter in PHP

regex text-processing immutability
Intermediate 6 steps
php 
<?php
 
namespace App\Http\Controllers;
 

Building a paginated XML sitemap in Laravel

pagination seo collections
Intermediate 8 steps
php 
<?php
 
namespace App\Http\Controllers;
 

Building a health check endpoint in Laravel

health-check invokable-controller error-handling
Intermediate 8 steps
php 
<?php
 
namespace App\Services;
 

Calculating a cart total with a Money type

value-objects money-arithmetic domain-logic
Intermediate 7 steps
php 
<?php
 
namespace App\Http\Middleware;
 

Enforcing upload quotas with Laravel middleware

middleware quota-enforcement collections
Intermediate 8 steps
php 
<?php
 
function timeAgo(DateTimeInterface $past, ?DateTimeInterface $now = null): string
{

Building a timeAgo helper in PHP

datetime formatting pluralization
Beginner 6 steps
php 
<?php
 
namespace App\Rules;
 

How a custom coupon rule validates in Laravel

validation eloquent business-rules
Intermediate 7 steps
php 
<?php
 
namespace App\Mail;
 

Building a queued digest email in Laravel

mailable queueing localization
Intermediate 6 steps
php 
<?php
 
namespace App\Http\Controllers;
 

How a soft-delete restore endpoint works in Laravel

soft-deletes authorization single-action-controller
Intermediate 5 steps
php 
<?php
 
namespace App\Models;
 

Auto-pruning old records with Laravel's Prunable

pruning eloquent cleanup
Intermediate 5 steps
php 
<?php
 
namespace App\Http\Controllers;
 

Building a multi-step onboarding wizard in Laravel

session-state validation multi-step-forms
Intermediate 9 steps