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Showing 101-120 of 831 results
Module Development

Routes and Controllers in Drupal

Course
Module Development
Drupal 8, 9, 10, and 11
10 tutorials
Overview: Routes, Controllers, and Responses Free
How to Find a Route in Drupal Free
Create a Route and Controller
Overview: Parameters and Value Upcasting in Routes
Use Parameters in a Route
Set a Dynamic Title for a Route
Define Permissions for a Module
Add Access Checking to a Route
How Drupal Turns a Request into a Response
Return JSON, Plain Text, and Other Non-HTML Responses
Module Development

Controllers

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

Controllers are the portion of a Drupal module that handle responding to an incoming request with the appropriate response data.

Module Development

Coding Menu Links in a Module

Course
Module Development
Drupal 8, 9, 10, and 11
5 tutorials
Overview: Menu Links in a Module Free
Add a Menu Link in a Module
Add an Action Link in a Module
Add a Contextual Link in a Module
Add a Local Task Link in a Module
Module Development

Render API Concepts in Drupal

Course
Module Development
Drupal 8, 9, 10, and 11
7 tutorials
Render API Overview Free
What Are Render Arrays?
What Are Render Elements?
Define a New Render Element Type
Render Pipeline
Render API Renderers
Render API Callback Properties
Theming

Output Themeable Content in Drupal

Course
Theming, Module Development
Drupal 8, 9, 10, and 11
10 tutorials
Output Plain Text and Simple HTML Markup
Use #prefix and #suffix Properties to Wrap an Element
Use Render Element Types in a Render Array
Output a List of Items
Output a Table
Output Content with a Template File
Add Classes and HTML Attributes to Render Arrays
Generate URLs and Output Links
Get Information about the Current User
Use #access to Show/Hide Elements in a Render Array
Module Development

Cache API in Drupal

Course
Module Development
Drupal 8, 9, 10, and 11
3 tutorials
Cache API Overview
Add Cache Metadata to Render Arrays
Use Lazy Builders and Placeholders
Module Development

Entity API in Drupal

Course
Module Development
Drupal 8, 9, 10, and 11
11 tutorials
Entity API Overview Free
Entity API Implementation Basics
Create a Custom Content Entity
Scaffold a Custom Content Entity Type with Drush Generators
Working with Entity CRUD
Find Data with EntityQuery
Entity API Hooks
Modify Existing Entities with Alter Hooks
Entity Validation API
Entity Access Control
Typed Data API
Module Development

Field API in Drupal

Course
Module Development
Drupal 8, 9, 10, and 11
6 tutorials
Field API Overview Free
Field Types
Field Widgets
Field Formatters
Define a Field Formatter Plugin
Field API Hooks
Module Development

Configuration Entities

Course
Module Development
Drupal 8, 9, 10, and 11
9 tutorials
What Are Configuration Entities? Free
Configuration Data Types Free
Default Configuration in a Module
Provide Initial Settings with Simple Configuration
Create a Settings Form in a Module
Use Simple Configuration in a Form
Create a Configuration Entity
Add Properties to a Configuration Entity
Load and Save Configuration Entity Data
Backend and Infrastructure

Performance and Scalability for Drupal Sites

Course
Site Building, Backend and Infrastructure, Site Administration
Drupal 8, 9, 10, and 11
18 tutorials
Overview: Drupal Performance and Scalability Free
Boost Drupal Performance with Contributed Modules Free
Drupal Performance Profiling: Tools and Methodologies
What Are Core Web Vitals?
Analyze Drupal Site Performance with Lighthouse
Analyze Drupal Site Performance with WebPageTest
Overview: Drupal's Cache Modules and Performance Settings
Overview: Drupal's Caching System
Debug Drupal Cache Misses and Low Hit Rates
Extend Drupal Site Monitoring with Contributed Modules
Set Up Advanced Caching on Pantheon Hosting
Set Up Advanced Caching on Acquia Cloud Hosting
Overview: Content Delivery Networks (CDNs) and Drupal
What Is Server Scaling?
Overview: Benchmarking and Performance Budgets
Profile a Drupal Site with Apache Bench
Overview: New Relic as a Drupal Performance Monitor
Profile a Drupal Site with New Relic
Site Administration

Command Line Tools for Drupal

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

Composer

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

Composer is the preferred dependency management solution for PHP, is used by Drupal core, and is becoming increasingly popular for managing the modules and themes used for a Drupal project.

Module Development

Learn Drush: The Drupal Shell

Course
Module Development, Backend and Infrastructure, Site Administration
Drupal 8, 9, 10, and 11
21 tutorials
What Is Drush? Free
Install Drush Using Composer Free
Enable, Update, and Manage Modules and Themes with Drush Free
Use Drush for Common Site and Environment Management Tasks
Use Drush to Speed up Common Drupal Development Tasks
Use Drush to Deploy Drupal Updates
Overview: Drush's Output Formatting System
Automating Drupal Tasks with Drush and Bash Scripts
Drush Site Aliases
Drush Configuration
Develop Drupal Modules Faster with Drush Code Generators
Create a Custom Drush Code Generator
Overview: Creating Your Own Custom Drush Commands
Create a Custom Drush Command
Use Command Line Arguments with a Custom Drush Command
Add Options to a Custom Drush Command
Add an Interactive Prompt to a Drush Command
Logging and Error Handling in Drush Commands
Create Site-Wide Custom Drush Commands
Overview: Drush Hooks
Alter an Existing Drush Command
Backend and Infrastructure

Docker

Topic
Backend and Infrastructure
More information

For the Drupal developer, Docker is a way to provide a local development environment to run web server software.

Backend and Infrastructure

Docker for Drupal Developers

Guide
Backend and Infrastructure
Backend and Infrastructure

Introducing Docker for Drupal Developers

Course
Backend and Infrastructure
18 tutorials
What Is Docker? Free
Install Docker Free
Run a Container Interactively
What Is a Container?
What Is an Image?
Use a Detached Container
Run Sets of Containers
Create a Compose File
Start, Stop, and List Container Sets
Get Data into Containers
Use Bind Volumes
Set Environment Variables
Expose Ports
Import and Export Databases into a Container
Docker Hub
List, Delete, and Update Images
Use Tags in Docker
Run Drupal in Docker
Backend and Infrastructure

Customizing Docker Images

Course
Backend and Infrastructure
8 tutorials
Custom Docker Images
Add Files to an Image
Install Applications in a Container
Application Configuration
Default Applications in Docker
Custom Entrypoints
Customize an Existing Image
Container Security
Backend and Infrastructure

Docker in Your Workflow

Course
Backend and Infrastructure
11 tutorials
Dockerize an Existing Project Free
Add a Docker-Specific Settings File
Centralize Docker Configuration with an Environment File
Multi-Client Workflow with Docker
Dockerize a Multisite Drupal Install
Use External Services in Docker
Share Containers with Your Team
Create an Automatic Build for Hub
Configure and Use Hub Tags
Run a Self-Hosted Container Registry
Docker in Production
Theming

Integrate JavaScript with Drupal

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

Using JavaScript in Drupal

Course
Theming, Module Development
Drupal 8, 9, 10, and 11
10 tutorials
Overview: JavaScript in Drupal
Load JavaScript in Drupal with Drupal.behaviors
Wrap Your Custom JavaScript in a Closure
Use Server-Side Settings with drupalSettings
String Manipulation in JavaScript
Use Drupal.theme for HTML Markup in JavaScript
Standardize Your JavaScript with ESLint
Modernizr.js in a Theme or Module
Underscore.js in a Theme or Module
Backbone.js in a Theme or Module

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