Transcript
Intro to
vocabulary
To the Drupal developers getting started with Symfony, there's a whole new set of vocabulary words we need to learn. Let us check the new terminologies here...
1.“yammel”
“Yaml” is not another Markup language.
It is used to define .info files and other configuration
2.“composer”
“Composer” is a tool for dependency management in PHP. It allows to declare the dependent libraries a project needs. In Drupal, it does the work formerly handled by the
Libraries Module.
3.“psr-4”
“PSR-4” is a standard for autoloading classes. Your
classes’ namespace always start with Drupal\your_module\
on disk that looks like: docroot/modules/custom/your_
module/src/YourClass.php
4.“Dependency
injection”
“Dependency Injection” is the preferred method for
accessing and using services in Drupal 8 and
should be used whenever possible. It declaratively express dependencies in the class definition rather than instantiating in the
class itself.
5.“Service
container”
“Service Container”, also known as Dependency Injection Container, is a
PHP object that manages the instantiation of
services i.e. objects. Service is any PHP object that performs some sort
of “global” task.
6.“routing”
"Routing System" works with the Symfony HTTP
Kernel. It can do everything Symfony's
can (and more), and both use the same syntax to
define routes. A route is a path which is defined for
Drupal to return some sort of content on.
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