Simple Steps to Upgrading Your Modules to Drupal 8
Drupal 8 got released on November 19th, 2015 and with time its has gotten stable. Now is the right time to upgrade your Drupal 7 modules to Drupal 8.
There are two ways by which you can upgrade your module to Drupal 8 they are as follows :
1. Upgrade Module to Drupal 8 Automatically Using Drupal Module Upgrade .
2. Upgrade Module to Drupal 8 Manually.
1. Upgrade Module to Drupal 8 Automatically Using Drupal Module Upgrade :
This Module is run through command-line script:
- First it scans the source of a Drupal 7 module which is to be upgraded.
- After scanning it flags the codes that requires updating to Drupal 8.
- It also points out the relevant API changes and automatically converts the Drupal 7 code to Drupal 8 version.
- The goal is to ensures that there is coverage for most widely-used Drupal hooks and automatically convert them.
Note : This module may not convert all the Drupal 7 codes to Drupal 8.
2. Upgrade Module to Drupal 8 Manually :
Steps to Upgrade your Module to Drupal 8 manually are as follows :
- Before you start: Setting up a Drupal 8 module dev environment
- Step 1: Convert your mymodule.info file to mymodule.info.yml file
- Step 2: Convert your automated tests to Drupal 8
- Step 3: Convert hook_menu() and forms in your module to Drupal 8 Configurtation
- Step 4: Convert Drupal 7 Variables in your module to Drupal 8 Configuration
- Step 5: How to upgrade D7 variables to D8's state system
- Do debugging to your Drupal 8 module upgrades
- Resources and tutorials
There are so many Contributed modules from Drupal 7 which has been moved to Drupal 8 core and some many Drupal 7 Core modules which has been removed from Drupal 8 Core which are given below.
List of modules added to Drupal 8 core :
3. HTTP Basic authentication
5. Caption filter (part of filter module)
6. CKEditor (ckeditor)
7. Configuration Translation module
10. Entity Reference module
11. Date module
12. Text Editor (editor)
25. Quick Edit
26. Responsive Image (responsive_image)
33. Views UI
The following drupal modules have been removed from Drupal 8 core :
Blog module: Blog was removed from Drupal 8 core as part of a meta issue to make Drupal 8 core more maintainable. With the help of Fields,Views and Content Types (available in core) can build similar to blog
Dashboard module: The Dashboard module is removed from Drupal 8 Core and is now available as a contributed Module.
Design test module: In Drupal 7, Style Guide module is more popular.
Number module: Email and number field types are moved to Drupal core Fields.
List module: List module is merged with Options module.
OpenID module: The OpenID module is removed from Drupal 8 core and is now available as a contributed module.
Overlay module: The new Drupal 8 toolbar now has a “back to site" button which has the same use-case as overlay module, it allows site users to return from the admin page that they were on.
PHP filter module: The PHP Filter module has been removed from Drupal 8 core for futher information go to https://drupal.org/node/2088811.
Poll module: The Poll module is removed from Drupal 8 core and is now available as a contributed module. There are also other contributed modules which provide similar polling functionality.
Profile module: The profile module has been removed from Drupal 8 core.
Trigger module: A contributed module Rules provides similar functionality. Trigger module is available as contributed module.