| Automatic interface translation import | |
| Batch operations | Functions allowing forms processing to be spread out over several page
requests, thus ensuring that the processing does not get interrupted
because of a PHP timeout, while allowing the user to receive feedback
on the progress of the ongoing operations. |
| Blog API updates from 5.x to 6.x | |
| Code registry | The code registry engine. |
| Comment updates from 5.x to 6.x | |
| Comment updates from 6.x to 7.x | |
| Database abstraction layer | Allow the use of different database servers using the same code base. |
| Default theme implementations | Functions and templates that present output to the user, and can be
implemented by themes. |
| Extra system updates for 5.x | |
| Extra system updates for 6.x | |
| Field API | Attach custom data fields to Drupal objects. |
| Field API data structures | Represent Field API fields and instances. |
| Field Attach API | Operate on Field API data attached to Drupal objects. |
| Field CRUD API | Create, update, and delete Field API fields, bundles, and instances. |
| Field Info API | Obtain information about Field API configuration. |
| Field Storage API | Implement a storage engine for Field API data. |
| Field Types API | Define field types, widget types, and display formatter types. |
| File interface | Common file handling functions. |
| Form builder functions | Functions that build an abstract representation of a HTML form. |
| Form generation | Functions to enable the processing and display of HTML forms. |
| Formatting | Functions to format numbers, strings, dates, etc. |
| Hook implementations for user-created content types. | |
| Hooks | Allow modules to interact with the Drupal core. |
| Image toolkits | Drupal's image toolkits provide an abstraction layer for common image file
manipulations like scaling, cropping, and rotating. The abstraction frees
module authors from the need to support multiple image libraries, and it
allows site… |
| Input validation | Functions to validate user input. |
| Language addition and editing functionality | |
| Language addition API. | |
| Language deletion functionality | |
| Language negotiation options screen | |
| Language overview functionality | |
| List of predefined languages | |
| Locale updates from 5.x to 6.x | |
| Menu system | Define the navigation menus, and route page requests to code based on URLs. |
| Node access rights | The node access system determines who can do what to which nodes. |
| Private update status cache system | We specifically do NOT use the core cache API for saving the fetched data
about available updates. It is vitally important that this cache is only
cleared when we're populating it after successfully fetching new available
update data. Usage of… |
| Queue operations | The queue system allows placing items in a queue and processing them later.
The system tries to ensure that only one consumer can process an item. |
| Sanitization functions | Functions to sanitize values. |
| Schema API | A Drupal schema definition is an array structure representing one or
more tables and their related keys and indexes. A schema is defined by
hook_schema(), which usually lives in a modulename.install file. |
| Search interface | The Drupal search interface manages a global search mechanism. |
| String search functions. | |
| System updates from 5.x to 6.x | |
| System updates from 6.x to 7.x | |
| System updates from 6.x to 7.x | |
| System updates from 6.x to 7.x | |
| Translation (template) export API. | |
| Translation delete interface. | |
| Translation export screen. | |
| Translation import API. | |
| Translation import screen. | |
| Translation overview screen. | |