Intro to Laravel 5

Introduction to the Laravel 5 framework. Learn why this new framework has been taking the PHP world by storm.

Are you ashamed to admit you're a PHP developer? Have you been using the same old, boring PHP framework for years? Tired of your PHP applications turning into enormous beasts? Maybe you've heard about Laravel but haven't made the effort to dive into it? In this presentation, we'll walk through what makes Laravel an elegant, fun, and exciting framework to make PHP applications that you'll be proud of.

Transcript

1. A PHP Framework For Web Artisans
2. Ben Edmunds @benedmunds http://benedmunds.com Who is this guy?
3. Ben Edmunds Open Source Author PHP Town Hall Podcast CTO at Mindfulware Who is this guy?
4. What is it? PHP Web Framework Full-stack (what does that even mean anymore) Open Source
5. Who’s behind it? Taylor Otwell @taylorotwell
6. I already use X. Why should I use Laravel?
7. Why use it? Expressive Syntax Route::get(‘user/{id}’, function($id) { $user = User::find($id); return view(‘home') ->with('user', $user); });
8. Why use it? Utilizes the latest PHP features Namespaces PSR-4 Autoloading Interfaces IoC
9. Why use it? Service Providers De-Coupled Flexible DRY Event Handling
10. Why use it? Contracts = Groups of Interfaces Loose Coupling Testability Explicit Flexible
11. Why use it? Facades = Quick Start $object = new class; $object->set('key', 'value'); Class::set('key', 'value');
12. Why use it? Well Documented http://laravel.com/docs
13. Why use it? Artisan CLI Tool $ php artisan migrate
14. Why use it? Built on Composer http://packagist.com Entirely Modular PSR-2, PSR-3, PSR-4, PSR-7 Compliant
15. Why use it? Test Coverage Focus on Testable Code
16. Why use it? Full Stack Framework Full Stack Ecosystem
17. Why use it? Homestead Pre-made Vagrant Box Nginx MySQL/PostgreSQL Beanstalkd Redis Memcached PHP / HHVM Node
18. Why use it? PAAS to quickly deploy PHP apps to the “cloud” Digital Ocean Linode AWS
19. Let’s do some comparisons
20. Comparison MVC Design Lightweight Fast Excellent Docs Compatibility Technical Debt
21. Comparison MVC Design Heavy but has Silex Slow-ish Complex Good Docs Modular Backed by SensioLabs
22. Beyond MVC Design Easy to get started Consistent/Stable Fast Excellent Docs Threw out previous framework ideas and started over Comparison
23. OK, I’ll try it. How do I get started?
24. Download Composer Based Install $ composer create-project laravel/laravel --prefer-dist
25. Structure Commands Providers Controller || Route || Both Middleware Services Views Model / Repository / FLEXIBILITY
26. Structure app Commands Handlers Commands Events Http Controllers Middleware Requests Providers Services config resources views tests app Commands Console Events Handlers Commands Events Http Controllers Middleware Requests Providers Services bootstrap config database migrations seeds public package resources lang views storage cache logs meta sessions views work tests
27. Routes
28. Routes Create routes at: app/Http/routes.php include() additional route definitions if needed
29. Routes What methods are available: Route::get(); Route::post(); Route::put(); Route::patch(); Route::delete(); Route::any(); //all of the above
30. Routes Register multiple verbs for a single route: Router::match([‘get’, ‘post’], ‘/’, function(){ //this will run for both GET and POST });
31. Routes app/Http/routes.php Route::get('/', function(){ echo ‘Boom!’; });
32. Testing
33. Testing Runs all tests located at: /tests/ $ php artisan test
34. Testing app/Http/routes.php Route::get('/', function(){ echo ‘Boom!’; });
35. Testing /tests/ExampleTest.php Test it! Test it good! class ExampleTest extends TestCase { function testBasicExample() { $this->visit('/') ->see(‘Boom!');
36. Testing $ php artisan test Run it! PHPUnit 3.6.10 by Sebastian Bergmann. Configuration read from ... Time: 0 seconds, Memory: 6.25Mb OK (1 test, 1 assertion) Output
37. API?
38. What about an API? Routes to the rescue!
39. API app/Http/routes.php Route::get(‘api/user/{id}’, function($id){ return json_encode([ ‘user‘ => User::find($id), ‘success‘ => true ]); });
40. API app/Http/routes.php Route::get(‘api/user/{id}’, function($id){ return [ ‘user‘ => User::find($id), ‘success‘ => true ]; });
41. API /tests/api/UserTest.php class UserTest extends TestCase { public function testGetUser() { $this->get(‘/user/1') ->seeJson([ ‘success‘ => true ]);
42. API Route::get(); Route::post(); Route::put(); Route::patch(); Route::delete();
43. Controllers
44. Controllers OK, routes are cool and all, but what if I want to use controllers?
45. Controllers app/Http/routes.php Route::post('status', 'StatusController@create'); class StatusController extends Controller { public function create(Request $request) { … app/Http/controllers/StatusController.php
46. Shit just got real
47. Middleware
48. Middleware Route Filters BETTER FASTER STRONGER Middleware!
49. Middleware Popular Uses: Auth ACL Session Caching Debug Logging Analytics Rate Limiting
50. Middleware Route::post('status', ‘StatusController@create’, [‘middleware’ => ‘auth’] );
51. Middleware Route::post('status', ‘StatusController@create’, [‘middleware’ => [ ‘first’, ‘second’, ‘third’, ]] );
52. Middleware class AjaxMiddleware implements Middleware { public function handle($request, Closure $next) { if (!$request->ajax()) return response('Unauthorized.', 401); return $next($request); }
53. Middleware Groups for DRY routing: Route::group(['middleware' => 'auth'], function(){ Route::get('/statuses', function(){ … }); …
54. Database
55. Database Query Builder Eloquent ORM Migrations Seeding
56. Query Builder Simple and Easy to Understand Used extensively by Eloquent ORM
57. Query Builder $user = DB::table('statuses') ->where(‘email’, 'example@gmail.com’) ->first(); Query Row by Email
58. Query Builder $id = DB::table('statuses') ->insertGetId([ ‘user_id' => 1, 'email' => ‘example@gmail.com', 'text' => ‘Vegas Baby! #zendcon’, ]); Insert & Get ID
59. Eloquent ORM Simple Expressive Efficient
60. Eloquent ORM use Illuminate\Database\Eloquent\Model; class Status extends Model { } Define an Eloquent model
61. Eloquent ORM $status = App\Status::where(‘user_id’, 1) ->first(); Simple query
62. Eloquent ORM $statuses = App\Status::where(‘views', '>', 100) ->get(); Slightly more advanced query
63. Eloquent ORM Relationships class Status extends Model { public function user() { return $this->belongsTo(‘App\User'); } } App\Status::find(1)->user->email; Retrieve Status Creator Email
64. Eloquent ORM Normal Usage $statuses = App\Status::all(); foreach ($statuses as $status) echo $status->user->email;
65. Eloquent ORM Normal Usage $statuses = App\Status::all(); foreach ($statuses as $status) echo $status->user->email; SELECT * FROM "statuses" foreach result { SELECT * FROM "users" WHERE "id" = 1 } 100 statuses = 101 queries
66. WTF!? ORMs Suck!
67. Eloquent ORM $statuses = App\Status::with(‘user’)->get(); foreach ($statuses as $status) echo $status->user->email; Eager Loading FTW!
68. Eloquent ORM $statuses = App\Status::with(‘user’)->get(); foreach ($statuses as $status) echo $status->user->email; 100 statuses = 2 queries SELECT * FROM "statuses" SELECT * FROM "users" WHERE "id" IN (1, 2, 3, 4, 5, ...) Eager Loading FTW!
69. Eloquent ORM creating created updating updated saving saved deleting deleted restoring restored Events
70. Views
71. Views Route::get('/', function(){ return view('home.index'); //resources/views/home/index.blade.php }); Returning a view from a route
72. Views Route::get('/', function(){ return view(‘home.index') ->with('email', 'email@gmail.com'); Sending data to a view
73. Views Sending data to a view with magic methods Route::get('/', function(){ $view = view('home.index'); $view->email = ‘email@gmail.com’; return $view;
74. Views Blade Templates Email Address: {{ $email }}
75. Views Blade Templates Email Address: {{ $email or ‘Please enter email’ }}
76. Views Blade Templates @include(‘user.registration’)
77. Form Requests
78. Form Requests Designed just for form handling/validation class CreateStatusRequest extends FormRequest { public function rules() { return [ ‘email’ => ‘required|email', ‘text' => ‘required', ]; }
79. Form Requests class StatusController extends Controller { public function create(CreateStatusRequest $request){ … }
80. Facades
81. Facades $var = Session::get('foo'); Resolves behind the scenes Getting a session variable
82. Facades Controller Injection to the rescue! Managing Class Responsibilities?
83. Facades class HomeController extends Controller { public function __construct(Request $request){ $value = $request->session()->get('key'); } Controller Injection
84. Drama Da da DOM
85. That’s a Wrap Utilizes the best PHP has to offer Well designed API with great docs Ready to scale architecture Go make cool things and have fun
86. Community http://github.com/laravel/laravel http://docs.laravel.com http://forums.laravel.com
87. Resources Dayle Rees - Code Bright Laravel: From Apprentice to Artisan LaraCasts
88. THANKS! Ben Edmunds @benedmunds http://benedmunds.com