Laravel Introduction
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Introduction to Laravel 4 framework
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Laravel Introduction
- 2. whoami • Ahmad Shah Hafizan Hamidin • 27 years old • Been developing for > 7 years • Laravel & Orchestra fanboy • https://www.github.com/ahmadshah • @penjajah • kuasamalaya
- 3. So What is Laravel?
- 4. + +
- 5. Why so many Laravel? laravel/laravel! The framework structure and boilerplate codes ! laravel/framework! The core of laravel framework or the kernel ! Illuminate The namespace for every laravel framework components!
- 6. What do we need? • A webserver (Apache2/NGINX) • PHP 5.4 or above • Database engines (MySQL/PostgreSQL/MSSQL) • PHP mcrypt extension • Composer
- 7. Composer! • Remember PEAR? • Awesome PHP package management • Making developer lives easier • Manage application dependencies • http://getcomposer.org/ • http://packagist.com/
- 8. How to get Laravel?! via Laravel installer! > composer global require “laravel/installer=~1.1” > laravel new my-application ! via Composer! > composer create-project laravel/laravel my-application
- 10. Laravel Setup • Make app/storage directory writable • Update public/.htaccess if you are using alias • Update app/config/database.php to connect to your database
- 11. M V C Eloquent, Blade and Controller
- 12. Laravel Routes • Handles the HTTP requests • GET, POST, PUT, PATCH, DELETE • All application routes are defined inside app/routes.php • Can accept Closures or controller namespace
- 13. Laravel Routes Route with Closure! Route::get(‘foobar’, function () { return ‘Welcome to FooBar!’; }); ! Route with Controller! Route::get(‘foobar’, ‘FoobarController@index’);
- 14. Laravel Controllers • Handles the HTTP requests • GET, POST, PUT, PATCH, DELETE • Controllers are kept under app/controllers • Laravel naming convention: FoobarController • Extends IlluminateRoutingController class
- 15. Laravel Resourceful Controllers • Handles the HTTP requests • GET, POST, PUT, PATCH, DELETE • Predefine controller methods to handle the HTTP verbs • index, show, create, store, edit, update, and destroy
- 16. Laravel Resourceful! Controllers Route with Resource Controller! Route::resource(‘foobar’, ‘FoobarController’);
- 17. Laravel Views • The presentation layer of an application • Can accept either vanilla PHP or Blade files • View files are located under app/views directory • Can accept array arguments
- 18. Laravel Views Route with view! Route::get(‘foobar’, function () { return View::make(‘foobar’); });
- 19. Laravel Blade
- 20. Laravel Blade • Laravel default templating engine • Files need to use .blade.php extension • Driven by inheritance and sections • Extensible for adding new custom control structures
- 21. Laravel Blade Master layout! <!doctype html> … <body> @yield(‘content’) </body> </html> ! Child layout! @extends(‘layout.master’) @section(‘content’) … @stop
- 22. Laravel Eloquent • Laravel ORM component • Simple ActiveRecord implementation • Each tables can be represented with a “Model” file • Model files are located under app/models directory • Extends IlluminateDatabaseEloquentModel class
- 23. Laravel Fluent • Laravel SQL query builder component • Write SQL query in a more elegant and readable way
- 24. Laravel Filters • Control the behaviour of a route • Process request before or after • Filters are located inside app/filters.php • Can be attached directly to route or controller • Can be in either Closure or filter class
- 25. Laravel Auth • Laravel user authentication component • Provide a basic functionalities to authenticate users • Does not come with ACL / RBAC • Utilizes app/models/User.php • Laravel does not come with a user table by default
- 26. Tinkering with the artisan
- 28. Laravel Artisan • Laravel CLI • Uses the Symfony Console component • Manage table migrations, seed tables, create resourceful controllers and many more • Developer best friend!
- 29. Service Providers & Facades
- 30. SOLID Principles Single Responsibility Principle! a class should have only one responsibility ! Open/Closed Principle! open for extension and closed for modification ! Liskov Substitution Principle Subtypes must be substitutable for their base types!
- 31. SOLID Principles Interface Segregation Principle! many client-specific interfaces are better ! Dependency Inversion Principle! depends on abstraction ! !
- 32. Laravel IOC • Inversion Of Control • Manages class dependencies • Based on dependency injection method • Dependencies are injected at run-time • Allowing dependencies to be easily swapped
- 33. Laravel Service Providers • Act like a component bootstrap • Group related IoC registrations in one place • Can also run other functionalities like artisan commands
- 34. Laravel Facades • Provide static interfaces to classes • Classes are resolved via IoC containers • Laravel is full with facades such as View, Cache, Config and others
- 35. Laravel Workbench • A tool to help develop laravel based components • Scaffold the necessary boilerplates • We do not commit/ship workbench directory