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Catalog / Laravel Cheat Sheet

Laravel Cheat Sheet

A quick reference guide for Laravel developers, covering essential commands, concepts, and configurations.

Basic Commands & Concepts

Artisan Commands

php artisan --version

Display the Laravel version.

php artisan make:controller ControllerName

Create a new controller.

php artisan make:model ModelName

Create a new Eloquent model.

php artisan make:migration create_table_name_table

Create a new migration file.

php artisan migrate

Run pending migrations.

php artisan migrate:rollback

Rollback the last migration.

php artisan serve

Start the built-in PHP development server.

php artisan tinker

Enter the interactive Tinker shell.

php artisan route:list

Display all registered routes.

Directory Structure

app/ - Contains the core code of your application.
bootstrap/cache/ - Framework bootstrap files.
config/ - Application configuration files.
database/ - Database migrations and seeds.
public/ - Publicly accessible files (CSS, JavaScript, images).
resources/views/ - Application views (Blade templates).
routes/ - Route definition files (web.php, api.php).
storage/ - Storage directory for files and sessions.

Routing and Controllers

Basic Routing 

Route::get('/route', function () {
    return 'Hello, World!';
});

Route::post('/route', function () {
    // Handle POST request
});

Route Parameters 

Route::get('/user/{id}', function ($id) {
    return 'User ID: ' . $id;
});

Required parameter.

 
Route::get('/user/{name?}', function ($name = null) {
    return 'Name: ' . $name;
});

Optional parameter.

Controllers 

Route::get('/users', 'App\Http\Controllers\UserController@index');

namespace App\Http\Controllers;

use App\Http\Controllers\Controller;

class UserController extends Controller
{
    public function index()
    {
        return view('users.index');
    }
}

Eloquent ORM

Basic Model Operations 

$users = App\Models\User::all();

Get all records.

 
$user = App\Models\User::find(1);

Find a record by primary key.

 
$user = new App\Models\User;
$user->name = 'John Doe';
$user->email = '[email protected]';
$user->password = bcrypt('secret');
$user->save();

Create a new record.

 
$user = App\Models\User::find(1);
$user->name = 'Jane Doe';
$user->save();

Update an existing record.

 
$user = App\Models\User::find(1);
$user->delete();

Delete a record.

Relationships

One To One: A user has one profile.

public function profile()
{
    return $this->hasOne('App\Models\Profile');
}

One To Many: A user has many posts.

public function posts()
{
    return $this->hasMany('App\Models\Post');
}

Many To Many: A post has many tags.

public function tags()
{
    return $this->belongsToMany('App\Models\Tag');
}

Blade Templating

Basic Syntax

{{ $variable }}

Display a variable (automatically escaped).

{!! $variable !!}

Display a variable without escaping.

@if (condition)
@endif

Conditional statement.

@foreach ($items as $item)
@endforeach

Looping.

Components and Layouts

@extends('layouts.app') - Extend a layout.
@section('content') … @endsection - Define a section.
@include('partials.header') - Include a partial view.
@component('components.alert') … @endcomponent - Render a component.

Directives

@auth … @endauth

Check if the user is authenticated.

@guest … @endguest

Check if the user is a guest.

@csrf

Generate a CSRF token field.
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