Getting Started With Laravel 4

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1. getting started with laravel 4
2. about me ! ›❯ i live in cape town ›❯ i work for http://n.joepublic.co.za ›❯ i love programming ›❯ i have written a book on mvc framework development ›❯ i am finishing a book on laravel applications
3. the disclaimers ! ›❯ much of this is my opinion ›❯ i have a vested interest in the success of laravel
4. laravel ! ›❯ laravel is an mvc framework ›❯ laravel installs with composer ›❯ laravel uses 24 community packages (11 from symfony)
5. artisan ! ›❯ artisan is a command-line utility ›❯ artisan ships with laravel 4 ›❯ artisan automates complicated and laborious tasks
6. // terminal ! ›❯ php artisan env Current application environment: production ! ›❯ php artisan down Application is now in maintenance mode.
7. // continued... ! ›❯ php artisan Laravel Framework version 4.1.24 ! Usage: [options] command [arguments] ...
8. routes ! ›❯ routes link a url to a function ›❯ routes are specified by request method
9. // app/routes.php ! Route::get("products", function() { return "show the products"; }); ! Route::post("product", function() { return "save the product"; });
10. // terminal ! ›❯ php artisan serve Laravel development server started on http://localhost:8000 ! ›❯ curl -X GET "http://localhost:8000/products" show the products
11. // app/routes.php ! Route::get("product/{id}", function($id) { return "show the product {$id}"; }); ! Route::get("category/{id?}", function($id = 1) { return "save the category {$id}"; });
12. // continued... ! Route::get("user/{id}", function($id) { return "show the user {$id}"; })->where("id", "[a-z]+");
13. // continued... ! Route::pattern("product_id", "[0-9]+"); ! Route::get("product/{product_id}", function($product_id) { return "show the product {$product_id}"; }); ! Route::get("product/{product_id}/images", function($product_id) { return "show the product images for {$product_id}"; });
14. // terminal ! ›❯ curl -X GET "http://localhost:8000/bridge/gimly" run, fools ! ›❯ curl -X GET "http://localhost:8000/bridge/balrog" YOU SHALL NOT PASS
15. views ! ›❯ views are where php meets html ›❯ views can be plain php ›❯ blade is a template engine
16. // app/routes.php ! Route::get("/", function() { return View::make("hello"); });
17. // app/views/hello.php ! <!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Laravel PHP Framework</title> ...
18. // app/routes.php ! Route::get("products", function() { return View::make("products/index"); });
19. // app/views/products/index.php ! <div class="products"> show the products </div>
20. // app/routes.php ! Route::get("products", function() { $products = [ ["the red one", 12.99], ["the blue one", 13.99], ["the black one", 11.99] ]; ! return View::make("products/index", compact("products")); });
21. // app/views/products/index.php ! <div class="products"> <?php foreach ($products as $product): ?> <div class="product"> <?php echo $product[0]; ?> <span class="price"><?php echo $product[1]; ?></span> </div> <?php endforeach; ?> </div>
22. // app/views/products/index.blade.php ! <div class="products"> @foreach ($products as $product) <div class="product"> {{ $product[0] }} <span class="price">{{ $product[1] }}</span> </div> @endforeach </div>
23. // continued... ! @extends("layout") ... ! @section("content") ... @stop
24. // app/views/layout.blade.php ! @yield("content", "default") ... ! @include("includes/header") ...
25. controllers ! ›❯ controllers connect data to views ›❯ controllers redirect requests ›❯ controllers shouldn't be doing much more than that
26. // terminal ! ›❯ php artisan controller:make UsersController Controller created successfully! ! ›❯ php artisan controller:make PostsController Controller created successfully! ! ›❯ php artisan controller:make TagsController Controller created successfully!
27. // app/controllers/UsersController.php ! class UsersController extends \BaseController { ... }
28. // app/routes.php ! Route::get("users", [ "as" => "users.index", "uses" => "UsersController@index" ]);
29. migrations ! ›❯ migrations are scripted database changes ›❯ migrations have a special dsl ›❯ migrations need to be run
30. // terminal ! ›❯ php artisan migrate:make create_posts_table Created Migration: 2014_04_01_025625_create_posts_table Generating optimized class loader ! ›❯ php artisan migrate:make create_users_table Created Migration: 2014_04_01_025631_create_users_table Generating optimized class loader
31. // continued... ! ›❯ php artisan migrate:make create_tags_table Created Migration: 2014_04_01_025656_create_tags_table Generating optimized class loader ! ›❯ php artisan migrate:make create_posts_tags_table Created Migration: 2014_04_01_025701_create_posts_tags_table Generating optimized class loader
32. // app/database/migrations/[timestamp]_create_users_table.php ! use Illuminate\Database\Schema\Blueprint; use Illuminate\Database\Migrations\Migration; ! class CreatePostsTable extends Migration { ... }
33. // continued... ! Schema::create("users", function(Blueprint $table) { $table->increments("id"); $table->string("username"); $table->string("password"); $table->string("email"); $table->timestamps(); });
34. // terminal ! ›❯ php artisan migrate Migration table created successfully. Migrated: 2014_04_01_025625_create_posts_table Migrated: 2014_04_01_025631_create_users_table Migrated: 2014_04_01_025656_create_tags_table Migrated: 2014_04_01_025701_create_users_tags_table
35. seeders ! ›❯ seeders are scripted database populators ›❯ seeders can insert as much or as little data as required ›❯ seeders need to be run
36. // app/database/seeds/DatabaseSeeder.php ! class DatabaseSeeder extends Seeder { ... }
37. // continued... ! public function run() { $this->call("UsersTableSeeder"); }
38. // app/database/seeds/UsersTableSeeder.php ! DB::table("users")->insert([ [ "username" => "chrispitt", "password" => Hash::make("password"), "email" => "cgpitt@gmail.com", "created_at" => time(), "updated_at" => time() ] ]);
39. // terminal ! ›❯ php artisan db:seed Seeded: UsersTableSeeder
40. query builder ! ›❯ query builder builds sql queries ›❯ query builder has its own dsl
41. eloquent ! ›❯ eloquent is a programmatic wrapper for database tables ›❯ eloquent is best for single instances
42. authentication ! ›❯ authentication is about blocking the wrong users and allowing the right ones ›❯ authentication needs a special eloquent model ›❯ alternatives exist
43. thanks ! ›❯ follow http://twitter.com/followchrisp ›❯ learn http://tutorials.io ______ < moo! > ------ \ ^__^ \ (oo)\_______ (__)\ )\/\ ||----w | || ||