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Getting Started-with-Laravel
The document is a presentation by Nikhil Agrawal from Mindfire Solutions on getting started with Laravel, covering its features, setup, and components like MVC architecture, routing, and Eloquent ORM. It details the command-line interface (Artisan), package installation using Composer, as well as error handling and logging procedures. References for additional resources and documentation are also provided.
Getting Started-with-Laravel
- 1. 1 Getting started with Laravel Presenter: Nikhil Agrawal Mindfire Solutions Date: 22nd April, 2014
- 2. 2 Zend PHP 5.3Certified OCA-1z0-870 - MySQL 5 Certified DELF-A1-French Certified Skills: Laravel, cakePHP, Codeigniter, Mysql, Jquery, HTML, css About me Presenter: Nikhil Agrawal, Mindfire Solutions Connect Me: https://www.facebook.com/nkhl.agrawal http://in.linkedin.com/pub/nikhil-agrawal/33/318/21b/ https://twitter.com/NikhilAgrawal44 Contact Me: Email: nikhila@mindfiresolutions.com, nikhil_agrawal@live.com Skype: mfsi_nikhila
- 3. 3 Content ✔ Introduction ✔ Features ✔Setup ✔ Artisan CLI ✔ Routing ✔ Controller, Model, View (MVC) ✔ Installing packages ✔ Migration ✔ Error & Logging ✔ References & QA Presenter: Nikhil Agrawal, Mindfire Solutions
- 4. 4 Introduction ✔ Started byTaylor Otwell (a c# developer). ✔ PHP V>= 5.3 based MVC framework. ✔ Hugely inspired by other web framework including frameworks in other language such as ROR, ASP.NET and Sinatra ✔ Composer-based ✔ Has a command line interface called as Artisan ✔ Current stable version available is 4.1 Presenter: Nikhil Agrawal, Mindfire Solutions
- 5. 5 Features out-of-the-box ✔ Flexiblerouting ✔ Powerful ActiveRecord ORM ✔ Migration and seeding ✔ Queue driver ✔ Cache driver ✔ Command-Line Utility (Artisan) ✔ Blade Template ✔ Authentication driver ✔ Pagination, Mail drivers, unit testing and many more Presenter: Nikhil Agrawal, Mindfire Solutions
- 6. 6 Setup ✔ Install Composer curl-sS https://getcomposer.org/installer | php ✔ It is a dependency manager ✔ What problem it solves? ✔ composer.json, composer.lock files ✔ Install laravel / create-project. ✔ Folder structure ✔ Request lifecycle ✔ Configuration Presenter: Nikhil Agrawal, Mindfire Solutions
- 7. 7 Artisan ✔ Artisan isa command-line interface tool to speed up development process ✔ Commands ✔ List all commands : php artisan list ✔ View help for a commands : php artisan help migrate ✔ Start PHP server : php artisan serve ✔ Interact with app : php artisan tinker ✔ View routes : php artisan routes ✔ And many more... Presenter: Nikhil Agrawal, Mindfire Solutions
- 8. 8 Routing ✔ Basic Get/Postroute ✔ Route with parameter & https ✔ Route to controller action Route::get('/test', function() { return 'Hello' }) Route::get('/test/{id}', array('https', function() { return 'Hello' })); Route::get('/test/{id}', array( 'uses' => 'UsersController@login', 'as' => 'login' ) ) Presenter: Nikhil Agrawal, Mindfire Solutions
- 9. 9 Routing cont.. ✔ Routegroup and prefixes ✔ Route Model binding ✔ Url of route: ✔ $url = route('routeName', $param); ✔ $url = action('ControllerName@method', $param) Route::group(array('before' => 'auth|admin', 'prefix' => 'admin'), function (){ //Different routes }) Binding a parameter to model Route::model('user_id', 'User'); Route::get('user/profile/{user_id}', function(User $user){ return $user->firstname . ' ' . $user->lastname }) Presenter: Nikhil Agrawal, Mindfire Solutions
- 10. 10 Controller ✔ Extends BaseController,which can be used to write logic common througout application ✔ RESTful controller ✔ Defining route Route::controller('users', 'UserController'); ✔ Methods name is prefixed with get/post HTTP verbs ✔ Resource controller ✔ Creating using artisan ✔ Register in routes ✔ Start using it Presenter: Nikhil Agrawal, Mindfire Solutions
- 11. 11 Model ✔ Model areused to interact with database. ✔ Each model corresponds to a table in db. ✔ Two different ways to write queries 1. Using Query Builder 2. Using Eloquent ORM Presenter: Nikhil Agrawal, Mindfire Solutions
- 12. 12 Query Builder (Model) ✔SELECT ✔ $users = DB::table('users')->get(); ✔ INSERT ✔ $id = DB::table('user') ->insertGetId(array('email' =>'nikhila@mindfire.com', 'password' => 'mindfire')); ✔ UPDATE ✔ DB::table('users') ->where('active', '=', 0) ->update(array('active' => 1)); ✔ DELETE ✔ DB::table('users') ->delete(); Presenter: Nikhil Agrawal, Mindfire Solutions
- 13. 13 Eloquent ORM (Model) ✔Defining a Eloquent model ✔ Class User Extends Eloquent { } ✔ Try to keep the table name plural and the respective model as singular (e.g users / User) ✔ SELECT ✔ $user = User::find(1) //Using Primary key ✔ $user = User::findorfail(1) //Throws ModelNotFoundException if no data is found ✔ $user = Menu::where('group', '=', 'admin')->remember(10)->get(); //Caches Query for 10 minutes ✔ INSERT ✔ $user_obj = new User(); $user_obj->name = 'nikhil'; $user_obj->save(); ✔ $user = User::create(array('name' => 'nikhil'));
- 14. 14 Query Scope (EloquentORM) ✔ Allow re-use of logic in model. Presenter: Nikhil Agrawal, Mindfire Solutions
- 15. 15 Many others Eloquentfeatures.. ✔ Defining Relationships ✔ Soft deleting ✔ Mass Assignment ✔ Model events ✔ Model observer ✔ Eager loading ✔ Accessors & Mutators
- 16. 16 View (Blade Template) Presenter:Nikhil Agrawal, Mindfire Solutions
- 17. 17 Loops View Composer ✔ Viewcomposers are callbacks or class methods that are called when a view is rendered. ✔ If you have data that you want bound to a given view each time that view is rendered throughout your application, a view composer can organize that code into a single location View::composer('displayTags', function($view) { $view->with('tags', Tag::all()); }); Presenter: Nikhil Agrawal, Mindfire Solutions
- 18. 18 Installing packages ✔ Installinga new package: ✔ composer require <packageName> (Press Enter) ✔ Give version information ✔ Using composer.json/composer.lock files ✔ composer install ✔ Some useful packages ✔ Sentry 2 for ACL implementation ✔ bllim/datatables for Datatables ✔ Way/Generators for speedup development process ✔ barryvdh/laravel-debugbar ✔ Check packagist.org for more list of packages Presenter: Nikhil Agrawal, Mindfire Solutions
- 19. 19 Migration Developer A ✔ Generatemigration class ✔ Run migration up ✔ Commits file Developer B ✔ Pull changes from scm ✔ Run migration up 1. Install migration ✔ php artisan migrate install 2. Create migration using ✔ php artisan migrate:make name 3. Run migration ✔ php artisan migrate 4. Refresh, Reset, Rollback migration Presenter: Nikhil Agrawal, Mindfire Solutions Steps
- 20. 20 Error & Logging ✔Enable/Disable debug error in app/config/app.php ✔ Configure error log in app/start/global.php ✔ Use Daily based log file or on single log file ✔ Handle 404 Error App::missing(function($exception){ return Response::view('errors.missing'); }); ✔ Handling fatal error App::fatal(function($exception){ return "Fatal Error"; }); ✔ Generate HTTP exception using App:abort(403); ✔ Logging error ✔ Log::warning('Somehting is going wrong'); //Info,error
- 21. 21 References ● http://laravel.com/docs (OfficialDocumentation) ● https://getcomposer.org/doc/00-intro.md (composer) ● https://laracasts.com/ (Video tutorials) ● http://cheats.jesse-obrien.ca/ (Cheat Sheet) ● http://taylorotwell.com/ Presenter: Nikhil Agrawal, Mindfire Solutions
- 22. 22 Questions ?? Presenter: NikhilAgrawal, Mindfire Solutions
- 23. 23 A Big Thank you! Presenter: Nikhil Agrawal, Mindfire Solutions
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