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Building web APIs with Symfony

1: Building web APIs with Symfony

Back-end web development for web symphonists

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PHP is the preferred server-side programming language for over three-quarters of global sites. PHP powers a whopping 77.6 percent of all the websites monitored by W3Techs.

Symfony is a full-featured modularized PHP framework which is used for building all kinds of applications, from traditional web applications to the small Microservice components.

Symfony aims to speed up the creation and maintenance of web applications and to replace repetitive coding tasks. It's also aimed at building robust applications in an enterprise context, and aims to give developers full control over the configuration: from the directory structure to the foreign libraries, almost everything can be customized.

You are a web developer who is evaluating the next framework to build your REST API with. The arrival of PHP 8 with attributes  has you thinking of Doctrine annotations and you want to give it a go.

Well, look no further! This course is the only thing you need to not only explore Symfony 6 development but also to teach you some of the best practices when it comes to API development.

We will build Rest APIs with

- Authentication built-in (users and passwords)

- Access management with roles

- CLI commands

- Automated API testing

  • Auto-generated API docs from the source code

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What you'll learn

  • Building Rest APIs with Symfony and PHP
  • Managing database entities with Doctrine
  • User authentication and management with different access levels
  • Using Redis as a cache backend and session storage
  • Providing up to date API docs generated from Controllers and OpenApi attributes
  • Writing Symfony commands that complement your API


  • PHP 8 knowledge (classes traits attributes etc)
  • Familiarity with docker and docker-compose for local dev

Who this course is for:

  • Web developers evaluating Symfony for their next API
  • Symfony developers interested in best practices when building a REST API

Software engineer with more than 10 years of experience in developing and architecting web applications.

Experienced with languages including PHP, JS, Python, Go. Also extensive experience with databases like MySQL and PostgreSQL but also with NoSQL solutions like Elasticsearch and Redis.

Lately in love with Rust, its evolving web ecosystem and awesome community.

How to implement a REST APIs with Symfony 4 + FOSRestBundle + FOSUserBundle + FOSOauthServerBundle using main Oauth2 code flows
  1. Introduction.
  2. Install bundles.
  3. Configuration. FOSRestBundle. JMSSerializerBundle. NelmioApiDocBundle. ...
  4. Security.
  5. Make migrations.
  6. Create an ApiController.
  7. Authorization code. Refresh token.
  8. Implicit.

Symfony is a PHP framework used to develop web application, APIs, microservices and web services. Symfony is one of the leading PHP framework for creating websites and web application

In PHP, there are several frameworks available that make it easy to create REST APIs, including Laravel, Slim, and Lumen. These frameworks provide a range of features and libraries to help developers create APIs quickly and efficiently, including support for routing, request and response handling, and data validation.

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How to Use an API
  1. Select an API. First things first, you'll want to find an API you could incorporate into your business. ...
  2. Get an API key. ...
  3. Review the API documentation. ...
  4. Write a request to an endpoint. ...
  5. Connect your app.

Create the PHP Project Skeleton for Your REST API.
Configure a Database for Your PHP REST API.
Add a Gateway Class for the Person Table.
Implement the PHP REST API.
Secure Your PHP REST API with OAuth 2.0.
Add Authentication to Your PHP REST API.

Developing a REST Service with Progress OpenEdge
  1. Create a REST project.
  2. Create a Class file.
  3. Add a method.
  4. Define a Service for the Class file.
  5. Test the REST Service.
  6. Create a WEB transport project.
  7. Create a Web Handler.
  8. Create a Web Transport Service.

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Laravel's performance can be expanded in a simple way. Developers can work quickly with little coding effort. Symfony is slower than Laravel when working on complicated projects. It promotes both top performance and adaptability

By default, Laravel has a set of unified APIs for caching views, Symfony cache views, and source code. As a result, Symfony's website takes longer to load. Laravel's average loading time is 60 milliseconds, while Symfony's is 250 milliseconds.

Quickly adopted by professionals active in this field following its launch in 2005, Symfony today is a stable environment that is both well-known and recognized internationally. The number of its references attests to this, as they have grown significantly since its launch.

A web API lets you interact with a web server through HTTP requests, while a REST API lets you interact with any kind of server over HTTP. REST APIs are web services that use HTTP and provide an interface for clients to interact with the service.

From our experience in developing APIs for major corporations, we have figured that Python Flask and Node JS Express have been the best frameworks and languages to developing a RESTful API for any web-based applications.

Paris Liakos


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