Classes
Databases store data in tables, which define rules for each column such as the data type or length. For example, here is...
Dynamic components can change after they are loaded, without refreshing the page. Modals A panel overlaying your main...
Your site's header provides navigation and is visible on every page. It's important for it to be usable and look good...
Cron is an OS utility for scheduling commands to run on a recurring schedule. Crontab In unix based systems, running...
Some useful techniques for finding and fixing problems. Stacktrace When you get an error, it should tell you which line...
Modules can define package dependencies in their own composer.json. { "name": "drupal/views_sql_query_formatter", "type"...
A service is a class that has functions to use in another class or module. This provides an interface for developers to...
These are built in classes and functions to handle some routine things. core/lib/Drupal/Component/Utility/ Html...