Symfony 4 & 5 Web Development Guide: Beginner To Advanced

Install Symfony 4, check system requirements, take a look at the folder structure

Main Symfony config file and config folder explained

Using Symfony Flex to automate installation of packages. Installing Twig and Doctrine

Request lifecycle in Symfony

In order to go through this section with ease, install the Symfony app using the version in which an app was created. Later I will show you how to upgrade to the latest stable version of Symfony.

You will know two ways of creating routes in Symfony

Basics about Symfony controllers

Symfony views basics

Create database and use it with entities in Symfony

Using external service in our own service

Examples of advanced routes in Symfony, optional parameters

Using session flash messages in controllers and views

Using cookies in Symfony (how to get cookie value - see the next lecture)

Using session in Symfony

Using POST and GET data in Symfony. Using Request object

Make custom error pages in Symfony

Handle exceptions in Symfony with example of NotFoundException

How to bind a service to a controller so that it can be accessed via php variable in the controller

How to redirect with dynamic parameters, how to download files, how to forward to another controller

Explore built-in features in Twig: tags, filters, functions, tests, operators

Generate url's for routes and images, escape js, html, css

Make variables global in all Symfony Twig views

Manage css and js files/libraries with Webpack Encore & npm

How to access the User, Request, Session and more in Twig via the app variable

How to render controller results in Twig files

Create a new user and many users using fixtures. Console commands for resetting entire database

Select users from database. Make use of repository

Update a user

Delete a user from the database

Make raw database queries with Doctrine

Execute entity code automatically using Doctrine events

One-to-many relationship in Doctrine. Owning and inverse side of a relationship. Bidirectional & unidirectional types of relations. Proxy classes & lazy loading

cascade={"remove"} vs onDelete="CASCADE" vs orphanRemoval=true deleting options

A user has one address and address belongs to only one user

How to implement Twitter-like follow user feature in Doctrine

Fetch all related objects with one Doctrine query

How to design database when entities share common fields

Create example entities and abstract entity that stores shared properties

Make polymorhpic queries with lazy and egaer loading options. Single and joined inheritance types

Inject parameters to services

Inject other services to a service using constructor injection & service arguments (most common)

Autowire, autoconfigure and public configuration options

Inject optional dependency to a service using setter method

Inject dependency to a service using class property

How to make a service lazy so that it is instantiated only if we call it

How to use aliases for our services names

How to add tags to a service so that it is treated by Symfony in a special way

Two services that implement one interface. How to deal with this in our application. Import configuration file to another

List all of services that you can autowire & all services from the Symfony container

Basic usage of cache in Symfony. Set cache expiration time

Use cache tags to store/clear related items in/from cache

Using Symfony console to automate tasks & get helped

Use profiler tool in Symfony. Take a look at the error stack trace

Difference between environments and kernels

Deploy your Symfony application to live server

Events & Listeners base concepts in Symfony. List all of Symfony events. Built in Symfony events

Create listener that listens to the kernel response built in Symfony event

Create an event and dispatch it

Create subscriber and subscribe to custom event & dispatch it

One subscriber can listen to many events

Set priorities of subscribed events

Update video entity and create form class for it

Render the form in view file

Style your symfony form in easy way

Send form and save data in the database

Validate a form before saving data (backend side validation)

Use form events to dynamically modify/build forms

Use "mapped false" option in forms

How to upload files in Symfony application

Install email package & send emails in Symfony

How to delay the delivery of emails to make loading website faster (send emails using server cron job)

How to test that an email was sent

Create special user for security purposes such as register, login, etc.

Register a new user

Login to the application

Logout from the application

How to implement 'remember me' feature in the login form

Using csrf token to protect html forms from being hacked

Install security checker package and check security

Use annotations in controllers to authorize user actions

Use access control feature in configuration file to restrict access to pages

Use denyAccessUnlessGranted method to make authorization in controller method

How to authorize user action in Twig view files

How to use voters to authorize user actions

Install a package for unit testing, command for running all tests

Make first unit test in Symfony and test simple calculator service

Install a package for functional testing, make first functional test

The most common used assertions while testing

How to click links on the website in functional tests

How to send forms in functional tests

Use data providers in functional tests to make test methods simplified

Isolate your tests using second database connection or transactions

How to create mocked (fake) objects in testing

Generate code coverage report during testing

Install and configure a package for translations in Symfony application

Make translations in view files

How to translate in controllers

How to translate routes

How to pluralize translated strings

In order to go through this section with ease, install the Symfony app using the version in which an app was created. Later I will show you how to upgrade to the latest stable version of Symfony.

In order to go through this section with ease, install the Symfony app using the version in which an app was created. Later I will show you how to upgrade to the latest stable version of Symfony.

Installation of Symfony 4 framework and all the necessary libraries. First steps with moving template to Symfony, installing Twig template engine, extending base layout. Create first route, controller and first page

Moving admin area pages to Symfony. Use asset() function. Create first twig blocks in views

Create routes and controller methods for pages and link them with path() function

Create routes and controller methods for pages and link them with path() function

Make base Twig layout for admin area. Create routes and controller methods for pages and link them with path() function

Create routes and controller methods for pages and link them with path() function

Use twig "for" loop etc

Install & use Webpack-Encore for handling our assets

Create Category & Video entities. Make first database relations on entities. Create fixtures for Category entity (fake data). Use console commands for handling database related stuff

Create subcategories for fixtures

Finish creating fixtures for Category entity

Use Symfony render controller feature. Create advanced route. Use twig filter. Use Doctrine to fetch all main categories (with parent column equals to null)

Create custom Twig filter to slugify url (e.g. change "Romantic Drama" to romantic-drama)

Create main abstract class for categories and child class for front-end. Install composer packages for debugging code

Create method for building tree array for categories

Build and display nested html li element for front-page categories. Use "raw" Twig tag

Find main parent of categories, use Twig filters, refactoring of our code

Build html for categories in admin area (html ul li). Update Category entity to allow for deleting a category. Controller method for deleting category

Build html for categories in admin area (html option list). Use php recursive method. Render controller result in Twig file

Controller method for editing category, render controller in view

Create html form in Symfony. Modify controller method to handle POST requests. Build html form in view with Symfony approach. Form validation

Validate form

Save category in database. Unique key for name field in category table

Code refactoring

Unit test slugger for url's. Sh script to automate tasks

Mocking category class

Build 3 mocked classes: two for admin area and one for front-end

Testing admin option list (html)

Testing admin "ul li" list (html)

Installing necessary dependencies. Create first functional test

Configure database transactions (testing with isolation)

Test editing category

Test deleting category

Create video fixtures (fake video data to display on website)

Display videos on front-page taken from the database

Paginate list of videos

Build recursive function to get id's of child categories and display videos from them

Sort videos by title using Doctrine Query Builder

Search videos by title in the database and display them

Test no results on the website

Test results were found on the website

Test sorting

Make user entity. Install security package with Symfony Flex

Make user fixtures (example user data in the database)

Make changes in configuration file for login functionality

Modify controller methods and views

Display roles restricted stuff and data of currently logged in user

Prevent access user to content based on user roles

Prevent access user to content based on user roles - part 2

Display links for users depending on login status

Display links for users depending on login status

Securing access to superadmin pages

Install package for checking security of our application