Laravel Cheat Sheet

# PHP 8.1+ dan extensions yang diperluin:
# - BCMath
# - Ctype
# - JSON
# - Mbstring
# - OpenSSL
# - PDO
# - Tokenizer
# - XML

# Via Composer
composer create-project laravel/laravel example-app
 
# Masuk ke folder
cd example-app
 
# Jalanin development server
php artisan serve
 
# Dengan Laravel Sail (Docker)
./vendor/bin/sail up

# Copy .env example
cp .env.example .env
 
# Generate application key
php artisan key:generate
 
# Konfigurasi database di .env
DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=laravel
DB_USERNAME=root

// Ambil nilai config
$value = config('app.name');
 
// Ambil dengan nilai default
$value = config('app.timezone', 'Asia/Jakarta');
 
// Set config saat runtime
config(['app.locale' => 'id']);

// .env file
APP_DEBUG=true // Development
APP_DEBUG=false // Production

# Aktifin maintenance mode
php artisan down
 
# Dengan pesan custom
php artisan down --message="Lagi maintenance bentar" --retry=60
 
# Matiin maintenance mode
php artisan up

use Illuminate\Support\Facades\Route;
 
// Route GET
Route::get('/users', function () {
  return 'Users list';
});
 
// Route POST
Route::post('/users'

// Parameter wajib
Route::get('/users/{id}', function ($id) {
  return "User ID: $id";
});
 
// Parameter opsional
Route::get('/users/{name?}', function

// Bikin named route
Route::get('/dashboard', function () {
  //
})->name('dashboard');
 
// Generate URL
$url = route('dashboard');
 
// Redirect to named route

// Group middleware
Route::middleware(['auth'])->group(function () {
  Route::get('/dashboard', function () {
    //
  });

// Binding otomatis
Route::get('/users/{user}', function (App\Models\User $user) {
  return $user->email;
});
 
// Key custom
Route::get('/posts/{post:slug}', function

# Basic controller
php artisan make:controller UserController
 
# Resource controller
php artisan make:controller UserController --resource
 
# API resource controller
php artisan make:controller UserController --api

namespace App\Http\Controllers;
 
use App\Models\User;
use Illuminate\Http\Request;
 
class UserController extends Controller
{
  public function index()
  {
    $users = User::

// Route
Route::resource('users', UserController::class);
 
// Generated routes:
// GET /users - index()
// GET /users/create - create()
// POST /users - store()
// GET /users/{user} - show()
// GET /users/{user}/edit - edit()
// PUT/PATCH /users/{user} - update()
// DELETE /users/{user} - destroy()

use Illuminate\Http\Request;
 
Route::post('/users', function (Request $request) {
  // Get single value
  $name = $request->input('name');
 
  // With default

<!-- In forms -->
<form method="POST" action="/users">
  @csrf
  <!-- form fields -->
</form>

// Exclude routes from CSRF (in app/Http/Middleware/VerifyCsrfToken.php)
protected $except = [
  'stripe/*',
  'webhook/*',
];

Route::post('/upload', function (Request $request) {
  // Cek apakah file ada
  if ($request->hasFile('photo')) {
    $file = $request->file(

Route::post('/users', function (Request $request) {
  $validated = $request->validate([
    'name' => 'required|max:255',
    'email' => 'required|email|unique:users',
    'password'

// Field wajib
'name' => 'required'
 
// Email
'email' => 'email'
 
// Unique di database
'email' => 'unique:users,email'
 
// Min/Max
'password' => 'min:8|max:20'
'age'

$request->validate([
  'name' => 'required|max:255',
  'email' => 'required|email',
], [
  'name.required' => 'Nama harus diisi dong!',
  'email.required' => 'Email jangan lupa!',
  'email.email' => 'Format email salah nih.',

@if ($errors->any())
  <div class="alert alert-danger">
    <ul>
      @foreach ($errors->all() as $error)
        <li>{{ $error }}</li>
      @endforeach
    </ul>
  </div>
@endif
 

// Return view
return view('welcome');
 
// With data
return view('users.profile', ['name' => 'John']);
 
// Or use compact
$name = 'John';
return view('users.profile'

<!-- Variables -->
<h1>Hello, {{ $name }}</h1>
 
<!-- Unescaped (hati-hati XSS!) -->
{!! $html !!}
 
<!-- Comments -->
{{-- This is a comment --}}
 
<!-- Conditionals -->
@if ($user->isAdmin())
  <p>Admin user</p>

<!-- Foreach -->
@foreach ($users as $user)
  <p>{{ $user->name }}</p>
@endforeach
 
<!-- For -->
@for ($i = 0; $i < 10; $i++)
  <p>Number {{ $i }}</p>
@endfor
 

<!-- resources/views/layouts/app.blade.php -->
<!DOCTYPE html>
<html>
<head>
  <title>@yield('title', 'Default Title')</title>
</head>
<body>
  @yield('content')

<!-- Include subview -->
@include('partials.header')
 
<!-- With data -->
@include('partials.user-card', ['user' => $user])

# Create migration
php artisan make:migration create_users_table
 
# Run migrations
php artisan migrate
 
# Rollback
php artisan migrate:rollback
 
# Reset (rollback semua)
php artisan migrate:reset
 
# Fresh (drop semua table + migrate)
php artisan

# Model aja
php artisan make:model User
 
# Model + migration
php artisan make:model User -m
 
# Model + migration + controller
php artisan make:model User -mc
 
# Model + migration + controller + resource
php artisan make:model User

use App\Models\User;
 
// Get all
$users = User::all();
 
// Find by ID
$user = User::find(1

// Create
$user = User::create([
  'name' => 'John Doe',
  'email' => 'john@example.com',
  'password' => bcrypt('password'),
]);
 
// Find and update

// Hapus lewat model
$user = User::find(1);
$user->delete();
 
// Hapus lewat query
User::where('active', 0)->delete();
 
// Destroy pake ID
User

// One to One
class User extends Model
{
  public function phone()
  {
    return $this->hasOne(Phone::class);
  }
}
 
// One to Many

// Via request
$request->session()->put('key', 'value');
 
// Via helper
session(['key' => 'value']);
 
// Flash data (cuma satu request)
$request->session()->flash(

// Via request
$value = $request->session()->get('key');
$value = $request->session()->get('key', 'default');
 
// Via helper
$value =

// Cek apakah ada
if ($request->session()->has('key')) {
  //
}
 
// Hapus
$request->session()->forget('key');
$request->session()

use Illuminate\Support\Facades\Log;
 
// Log levels
Log::emergency($message);
Log::alert($message);
Log::critical($message);
Log::error($message);
Log::warning($message);

# List all commands
php artisan list
 
# Help for command
php artisan help migrate
 
# Clear cache
php artisan cache:clear
php artisan config:clear
php artisan route:clear
php artisan

# Cache config
php artisan config:cache
 
# Cache routes
php artisan route:cache
 
# Cache views
php artisan view:cache
 
# Optimize autoloader
composer install --optimize-autoloader --no-dev
 
# Optimize application
php artisan optimize

# Set to production
APP_ENV=production
APP_DEBUG=false
 
# Generate app key (kalo belum)
php artisan key:generate