SF3C4 | Web Development with Symfony 3

Object Oriented Programming (on demand)

• Classes and objects
• Properties and methods
• Constructor and destructor methods
• Class inheritance
• Attributes and methods scopes (visibility)
• Error handling with exceptions
• Namespaces

Introducing the Symfony framework

• Introducing the Symfony framework and its ecosystem
• Installing the Symfony « Standard Edition Distribution »
• Discovering the Symfony project architecture (application, bundles, libraries, bundles etc.)
• Understanding the HTTP request processing workflow
• Understanding the concept of environment (development, production and testing)
• Introducing the coding and files naming conventions
• Discovering the concept of a « Bundle »

Debugging the Code

• Getting help from the « Web Debug Toolbar »
• Introspecting the recorded logs
• Profiling HTTP requests thanks to the « Web Profiler » application
• Spotting problems thanks to explicit errors and exceptions stack traces
• Using the Debug and VarDumper components features

Configuring the application

• Comparing the supported built-in configuration format: XML, YAML and PHP
• Configuring the application thanks to global parameters
• Configuration application’s routes and URLs with annotations
• Overriding the configuration defined by a built-in or third-party « bundle »

Generating Contents for the End User

• Introducing the Twig templates engine
• Comparing Twig and raw PHP templating strategies
• Accessing global variables from Twig templates (request, session, user)
• Using tags, filters and function to generate and format contents in a Twig template
• Making templates truly extensible thanks to the template inheritance feature
• Splitting templates into smaller templates chunks to avoid code duplications
• Rendering a Symfony controller from within a Twig template
• Generating URLs based on the application’s routes configuration
• Rendering Symfony forms with custom Twig view helpers

Developping Controller and Analyzing the Request

• Designing a controller class with its action methods
• Mapping URL patterns to Symfony controllers thanks to annotations
• Generating raw responses and Twig templates based responses
• Accessing client’s information from the Request object
• Reading and writing session data
• Reading and writing cookies data
• Triggering a 404 error page when the resource is not found
• Triggering an internal redirect to another controller to avoid code duplications
• Redirecting the user to another page

Interacting with the End User thanks to Forms

• Discovering the « Form » component
• Designing and processing simple web forms
• Adding validation constraints on submitted form fields’ data
• Prototyping the form rendering thanks to Twig view helpers
• Gathering the form submitted data and processing them
• Sending the form validated and filtered data by e-mail to some recipient

Internationalizing and Localizing the User Interface

• Discovering the « Translation » component
• Changing the default user’s locale
• Defining custom abstract translation keys in Twig templates
• Generating XLIFF translation catalogues skeletons
• Translating abstract translation keys in XLIFF catalogues
• Dealing with dynamic translations including pluralized sentences

Dependency Injection and Service Container

• Understanding the dependency injection principle
• Getting started with the Symfony service container
• Listing all built-in Symfony services thanks to the command line tools
• Registering new custom business services in the dependency injection container
• Accessing a registered service from the service container
• Creating and accessing global configuration parameters from the container

Contracting a Quality Insurance with Automated Tests

• Discovering the PHPUnit tests automation framework
  
• Understanding the goals of automating tests (unit and functional tests)
• Configuring an automated tests suite
• Designing and executing a unit tests suite
• Designing and executing a functional tests suite
• Generating code coverage reports

Interacting with the End User and Forms

• Designing and processing web forms
• Automating form rendering with Twig view helpers
• Customizing form rendering with built-in and custom Twig form themes
• Configuring form field types as services
• Applying built-in validation constraint rules on submitted data
• Applying custom validation constraint rules on submitted data
• Contextualizing the data validation thanks to validation groups

Restricting Access to Secured Areas of the Application

• Getting started with authentication and authorization principles
• Securing some application’s pages thanks to a form based authentication strategy
• Implementing the Security Guard sub component to handle authentication
  
• Setting up an access control policy based on user’s roles
• Testing user’s permissions from a controller and a Twig template
• Registering custom authorization rules thanks to the security « voters »

Improving Application Performances with HTTP Caching and ESI

• Getting started with the HTTP caching workflows
• Discovering the different kind of cache systems
• Comparing the expiration and validation cache strategies
• Applying expiration and validation cache constraints to generated web pages
• Caching page fragments thanks to the ESI technology (« Edge Side Includes »)
• Installing and configuring the Symfony’s built-in reverse-proxy cache

Querying a Relational Database System with Doctrine

• Discovering the basics of the Doctrine ORM
• Understanding the concepts of « entities » and « repositories »
• Automating PHP classes and SQL queries code generation with Doctrine
• Persisting data to the database thanks to the Doctrine ORM entity manager
• Fetching data back from the database thanks to Doctrine
• Building and executing custom SQL queries thanks to the Doctrine Query Builder object