MidwestPHP - Intro to Laravel

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Ben Edmunds @benedmunds http://benedmunds.com A Framework For Web Artisans Saturday, March 2, 13

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Who Am I Ben Edmunds @benedmunds http://benedmunds.com Build and lead development teams >10 years of experience in the industry Specialize in PHP and Javascript Saturday, March 2, 13

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Who Am I Ben Edmunds @benedmunds http://benedmunds.com Ion Auth http://github.com/benedmunds/CodeIgniter-Ion-Auth General http://github.com/benedmunds Open Source Contributions http://appstucco.com Saturday, March 2, 13

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Who Am I Personal: From Phenix City, AL Married for 7 years Work for Kforce Government Solutions Co-Founder of AppStucco Tech Focus: PHP (CodeIgniter, Laravel) Javascript (Node.js, Express, Phonegap) Databases (MySQL, PostGreSQL, MongoDB) Ben Edmunds @benedmunds http://benedmunds.com Saturday, March 2, 13

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What is it? PHP Web Framework Lightweight (half-stack) Open Source Saturday, March 2, 13

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Who’s behind it? Dayle Rees @daylerees Taylor Otwell @taylorotwell Saturday, March 2, 13

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I already use X. Why should I use Laravel? Saturday, March 2, 13

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Why use it? Built on PHP 5.3 Sinatra-style Routing Bundles http://bundles.laravel.com/ Artisan CLI Tool Wave your PHP ﬂag proudly that’s right, I use PHP sucka Expressive Syntax Eloquent ORM Well Documented Saturday, March 2, 13

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Why use it? Expressive Syntax Utilizes the latest PHP features Route::get('user/(:num)', function($id) { $user = User::ﬁnd($id); return View::make('home')->with('user', $user); });

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Why use it? Bundles http://bundles.laravel.com/ $ php artisan bundle:install twilio Artisan CLI Tool $ php artisan bundle:install twilio Well Documented http://laravel.com/docs Saturday, March 2, 13

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Why use it? Sinatra-style Routing Eloquent ORM Route::get('/', function() { //do neat shit }); $user = new User; $user->id = 1; $user->save(); $user = User::ﬁnd(1); Saturday, March 2, 13

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Let’s do some comparisons Saturday, March 2, 13

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Comparison MVC Design Sparks Lightweight Fast Excellent Docs Compatibility Technical Debt Saturday, March 2, 13

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Comparison HMVC Design Lightweight-ish Fast Horrible Docs API Changes Frequently Saturday, March 2, 13

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Comparison MVC Design Heavy Large Learning Curve Slow Decent Docs Modular Backed by ZEND Saturday, March 2, 13

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Comparison HMVC Design Lightweight Fast Excellent Docs Packages? Learned from other frameworks Saturday, March 2, 13

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MV[CR] Design Bundles Lightweight Fast Excellent Docs Threw out previous framework ideas and started over Comparison Saturday, March 2, 13

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OK, I’ll try it. How do I get started? Saturday, March 2, 13

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Download https://github.com/laravel/laravel $ git clone https://github.com/laravel/laravel.git . Saturday, March 2, 13

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Bundles http://bundles.laravel.com/ $ php artisan bundle:install twilio $ php artisan bundle:upgrade twilio Saturday, March 2, 13

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Structure MV[CR] Design Model View Controller || Route || Both Bundles Self contained modules Has it’s own conﬁg, models, routes, views, etc... Saturday, March 2, 13

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Structure application - conﬁg - controllers - models - views - routes.php - bundles.php - etc... laravel public - css - img - js - etc... Saturday, March 2, 13

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Create Route Create routes at: application/routes.php include() additional route deﬁnitions if needed Saturday, March 2, 13

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Create Route application/routes.php Route::get('/', function() { echo ‘Boom!’; }); Saturday, March 2, 13

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Unit Test Runs all tests located at: application/tests/*.test.php $ php artisan test Saturday, March 2, 13

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Unit Test application/tests/routes.test.php Test that biotch! class TestRoutes extends PHPUnit_Framework_TestCase { public function testBase() { $response = Route::forward('GET', '/'); $this->assertEquals('Boom!', $response); } Saturday, March 2, 13

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Unit Test $ php artisan test Run it! PHPUnit 3.6.10 by Sebastian Bergmann. Conﬁguration read from ...www/laravel/develop/phpunit.xml Time: 0 seconds, Memory: 6.25Mb OK (1 test, 1 assertion) Output Saturday, March 2, 13

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What about an API? Routes to the rescue! Saturday, March 2, 13

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API application/routes.php Route::get('api/user/(:num)', function($id) { return json_encode(array( ‘users‘ => User::ﬁnd($id), ‘success‘ => true ); }); Saturday, March 2, 13

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API application/routes.php Route::put('api/user', function() { $user = User::create(array( 'email' => Input::get(‘email’) )); return json_encode(array( ‘user_id‘ => $user->id, ‘success‘ => true ); }); Saturday, March 2, 13

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Controllers OK, routes are cool and all, but what if I want to use controllers? Saturday, March 2, 13

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Controllers application/routes.php Route::controller(Controller::detect()); This will give you “CodeIgniter style” controller routing. Saturday, March 2, 13

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Shit just got real Saturday, March 2, 13

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Routes Saturday, March 2, 13

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Routes What methods are available: Route::get(); Route::post(); Route::put(); Route::delete(); Route::any(); //all of the above Saturday, March 2, 13

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Routes Register multiple verbs for a single route: Router::register(array('GET', 'POST'), $uri, function(){ //this will run for both get and post }); Saturday, March 2, 13

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Route Filters Run before or after a given route. Register a ﬁlter: Route::ﬁlter('auth', function() { if (Auth::guest()) return Redirect::to('login'); }); Saturday, March 2, 13

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Route Filters Assign a ﬁlter to a route: Route::get('api/user', array('before' => 'auth', function() { ... })); Saturday, March 2, 13

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Route Filters Pattern matching adds a ton of ﬂexibility: Route::ﬁlter('pattern: api/*', 'auth'); Saturday, March 2, 13

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Models Saturday, March 2, 13

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Models Fluent Query Builder Eloquent ORM Schema Builder Migrations Saturday, March 2, 13

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Fluent Query Builder Similar to CI DB Class Simple and Easy to Understand Used extensively by Eloquent ORM Saturday, March 2, 13

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Fluent Query Builder $user = DB::table('users')->where_email('[email protected]') ->ﬁrst(); Query Row by Email $id = DB::table('users')->insert_get_id(array( 'email' => '[email protected]' )); Insert & Get ID Saturday, March 2, 13

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Eloquent ORM Simple Expressive Efﬁcient Saturday, March 2, 13

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Eloquent ORM class User extends Eloquent { } Deﬁne an Eloquent model class Post extends Eloquent { } Saturday, March 2, 13

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Eloquent ORM $user = User::where_email(‘[email protected]’)->ﬁrst(); Simple query $user = Post::where('views', '>', 100)->get(); Slightly more advanced query Saturday, March 2, 13

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Eloquent ORM Relationships class Post extends Eloquent { public function user() { return $this->belongs_to('User'); } } Post::ﬁnd(1)->user->email; Retrieve Post Creator Email Saturday, March 2, 13

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WTF!? ORMs Suck! Saturday, March 2, 13

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Eloquent ORM Eager Loading $posts = Post::with(‘user’)->get(); foreach ($posts as $post) { echo $post->user->email; } 100 posts = 2 queries SELECT * FROM "posts" SELECT * FROM "users" WHERE "id" IN (1, 2, 3, 4, 5, ...) Eager Loading FTW! Saturday, March 2, 13

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Eloquent ORM Normal Usage $posts = Post::all(); foreach ($posts as $post) { echo $post->user->email; } 100 posts = 101 queries SELECT * FROM "posts" foreach result { SELECT * FROM "users" WHERE "id" = 1 } Eager Loading $posts = Post::with(‘user’)->get(); foreach ($posts as $post) { echo $post->user->email; } 100 posts = 2 queries SELECT * FROM "posts" SELECT * FROM "users" WHERE "id" IN (1, 2, 3, 4, 5, ...) Saturday, March 2, 13

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Views Saturday, March 2, 13

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Views Route::get('/', function() { return View::make('home.index'); //views/home/index.php }); Returning a view from a route Saturday, March 2, 13

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Views Route::get('/', function() { return View::make('home.index')->with('email', '[email protected]'); Sending data to a view with magic methods Route::get('/', function() { $view = View::make('home.index'); $view->email = ‘[email protected]’; return $view; Sending data to a view Saturday, March 2, 13

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New Hotness Laravel 4 Saturday, March 2, 13

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Laravel 4 PSR-0 and PSR-1 Compliant Entirely Modular Composer Packages Focus on Testing Saturday, March 2, 13

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Laravel 4 PSR-0 and PSR-1 compliant Utilizes several Symfony modules Laravel modules can be easily used elsewhere using Composer Saturday, March 2, 13

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Laravel 4 Composer is the future of PHP Frameworks Imagine a framework agnostic world Saturday, March 2, 13

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Laravel 4 { "require": { "laravel/framework": "4.0.*@dev" } } Install php composer.phar install Setup composer.json to deﬁne dependencies Saturday, March 2, 13

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Laravel 4 Updating with Composer php composer.phar update Updating your framework used to land you in copy/paste hell, not anymore Saturday, March 2, 13

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Laravel 4 So how bad is the upgrade to L4 Saturday, March 2, 13

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Laravel 4 Laravel 3 uses a shit-ton of statics Hard to test Beautiful API Saturday, March 2, 13

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Laravel 4 Laravel 4 API is EXTREMELY similar Backwards compatible in most cases Easy to test Saturday, March 2, 13

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Laravel 4 Uses Facades to expose a static style API Keeps testing at the forefront Saturday, March 2, 13

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Laravel 4 $var = Session::get('foo'); Behind the scenes $app->resolve('session')->get('foo'); Getting a session variable (same as L3) Saturday, March 2, 13

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Laravel 4 $app['session'] = function() { return new MyCustomSessionLayer; } Facades allow you to inject dependencies or override core functionality Saturday, March 2, 13

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Laravel 4 Facade examples stolen from Kenny Myers To learn more: http://www.thenerdary.net/post/30859565484/laravel-4 Saturday, March 2, 13

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Laravel 4 Lastly, but most importantly, on the subject of unit testing Saturday, March 2, 13

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Laravel 4 Write Tests or Chris will cut you Saturday, March 2, 13

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Laravel 4 Release Schedule Laravel 4.0 - May 2013 Laravel 4.1 - Nov 2013 Laravel 4.2 - May 2014 Laravel 4.3 - Nov 2014 Saturday, March 2, 13

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That’s a Wrap Utilizes the best PHP has to offer Lightweight and crazy fast Well designed API with great docs Go make cool shit Saturday, March 2, 13

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Community http://github.com/laravel/laravel http://docs.laravel.com http://forums.laravel.com Saturday, March 2, 13

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Ben Edmunds @benedmunds http://benedmunds.com A Framework For Web Artisans THANKS! Saturday, March 2, 13