Drupal Module Development Basics
Core modules Custom modules Hooks Form API Blocks Plugins Examples Entity API
#Development
Articles
Install Module Issue Fork
An issue fork is a git branch created for a drupal module issue. Developers may want to install an issue fork instead of a...
Drupal Cron Jobs
A cron job is a OS task that runs routinely on a timer. Drupal has some tasks that need to run periodically. See hook_cron() in...
Tips for getting familiar with Drupal code
When you want to code something for drupal, you'll have to familiarize yourself with the api and figure out where to put the...
Displaying referenced unpublished content
If you reference unpublished nodes, they will not be visible to anonymous users. If you want to show an unlinked title instead...
Use the Webprofiler module to find the current page route name
When you're looking at a page that you want to modify somehow in the code, but don't know what module is providing it, you can...
Checking field values
Many values can easily be referenced with $node->field_name->value. But if this value is missing you'll get an error. Use $node-...
Disable twig cache for development
Since twig templates are cached, you have to clear the cache each time you make a change in order to see it. For developing...
Issues
Does not work with drupal 10
Patch needed to use module.
EPIC: Merge Module Usage project
Merge Module Usage info (module enable history) into Content Model Documentation.