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Module Development

Chapter 5: Output Themeable Content from a Module

Course
Module Development
Drupal 8, 9, 10, and 11
9 tutorials
Concept: Themeable Output Free
Concept: Render API Free
Output Content Using Render API
Concept: Template Files
Add a Template File
Concept: Asset Libraries
Add CSS and JavaScript to a Module's Output
Concept: Internationalization (i18n)
Output Translatable Strings
Module Development

Chapter 6: Hooks and Events

Course
Module Development
Drupal 8, 9, 10, and 11
4 tutorials
Concept: What Are Hooks? Free
Concept: What Are Events? Free
Discover Hooks and Their Documentation
Implement hook_help()
Module Development

Chapter 7: Plugins

Course
Module Development
Drupal 8, 9, 10, and 11
3 tutorials
Concept: What Are Plugins? Free
Implement a Block Plugin
Use a Service in a Plugin
Module Development

Chapter 8: Forms

Course
Module Development
Drupal 8, 9, 10, and 11
7 tutorials
Overview: Drupal's Form API Free
Concept: Form Controllers and the Form Life Cycle
Create a Settings Form for the Anytown Module
Validate User Input for the Settings Form
Save Form Data Submitted by a User
Concept: Altering Existing Forms
Alter the User Registration Form
Module Development

Chapter 9: Working with Data

Course
Module Development
Drupal 8, 9, 10, and 11
16 tutorials
Concept: Data Types in Drupal Free
Concept: Configuration API Free
Retrieve and Update Weather Forecast Settings
Define a Configuration Schema and Default Values
Concept: Entity API and Data Storage
Concept: Field API and Fieldable Entities
Add Fields to the Vendor Content Type
Create a Form for Editing an Entity
Read an Entity's Field Values
Update an Entity When the Form Is Submitted
Use Parameter Upcasting for Entities in Routes
Add Custom Validation to User Entities
Concept: Entity Queries Free
Reset Vendor Status with Cron
Display a List of Vendors
Concept: Custom Entity Types
Module Development

Chapter 10: Caching

Course
Module Development
Drupal 8, 9, 10, and 11
3 tutorials
Concept: Caching Free
Cache Data Retrieved from the Weather API
Add Cache Context and Tags to Renderable Arrays
Module Development

Chapter 11: Testing

Course
Module Development
Drupal 8, 9, 10, and 11
5 tutorials
Concept: Testing Free
Configure Your Environment to Run Tests
Write a Unit Test
Write a Kernel Test
Write a Functional Test
Module Development

Chapter 12: Additional Considerations

Course
Module Development
Drupal 8, 9, 10, and 11
4 tutorials
Concept: Writing Secure Code Free
Concept: Coding Standards Free
Lint Your Code with PHP_CodeSniffer
Concept: Update Hooks
Module Development

Chapter 13: Collaborate with the Community

Course
Module Development, Community
Drupal 8, 9, 10, and 11
2 tutorials
Concept: Using and Improving Contributed Modules Free
Concept: Contributing Your Custom Modules
Module Development

Chapter 14: Final Thoughts

Course
Module Development, Community
Drupal 8, 9, 10, and 11
1 tutorials
Learning More and Getting Support Free
Site Administration

Upgrade Drupal

Course
Site Building, Backend and Infrastructure, Site Administration
Drupal 8, 9, 10, and 11
6 tutorials
What Is Deprecated Code? Free
Upgrade to Drupal 11 Free
Upgrade to Drupal 10 Free
Upgrade to Drupal 9 Free
Update Drupal from Versions Prior to 8.8.x using Composer Free
Install a Contributed Module with No Drupal 9 Release Free
Module Development

Chapter 4: Services and Dependency Injection

Course
Module Development
Drupal 8, 9, 10, and 11
6 tutorials
Concept: Services and the Container Free
Concept: Dependency Injection Free
Locate and Identify Existing Services
Use a Service in a Controller
Concept: Creating Custom Services
Define a Weather Forecast Service
Site Administration

Install and Update Drupal

Course
Site Building, Backend and Infrastructure, Site Administration
Drupal 8, 9, 10, and 11
2 tutorials
Install Drupal Locally with DDEV Free
Update Drupal's Minor Version Free
Module Development

Drupal Module Developer Guide

Guide
Module Development
Drupal 8, 9, 10, and 11
Module Development

Automated Testing in Drupal

Course
Module Development, Backend and Infrastructure
Drupal 8, 9, 10, and 11
6 tutorials
Introduction to Testing in Drupal Free
Software Testing Overview Free
Frameworks for Testing in Drupal
Install Drupal Development Requirements with Composer
Organize Test Files
Create a PHPUnit Config File for Your Project
Module Development

Writing Automated Tests in Drupal

Course
Module Development, Backend and Infrastructure
Drupal 8, 9, 10, and 11
4 tutorials
Implement a Functional Test
Implement Drupal Functional Test Dependencies
Implement a Unit Test in Drupal
Convert Tests from Simpletest to PHPUnit
Module Development

Running Automated Tests in Drupal

Course
Module Development, Backend and Infrastructure
Drupal 8, 9, 10, and 11
5 tutorials
Run Drupal Tests with PHPUnit
Set Up a Functional Test
Run Functional JavaScript Tests Free
Functional JavaScript Testing with Nightwatch.js
Run Drupal Tests with the run-tests.sh Script
Module Development

Test Custom Code

Guide
Module Development, Backend and Infrastructure
Drupal 8, 9, 10, and 11
Site Administration

Keep Drupal Up-To-Date

Guide
Site Building, Backend and Infrastructure, Site Administration
Drupal 8, 9, 10, and 11
Site Building

Performance and Scalability

Topic
Site Building, Theming, Module Development
Drupal 8, 9, 10, and 11
More information

Performance and scalability determine how fast your application can serve a page and to how many users at a time.

Drupal version

Category

Content type

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