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Namesort descending Description
Authorized operations Functions to run operations with elevated privileges via authorize.php.
Batch operations Creates and processes batch operations.
Block Caching Constants that define each block's caching state.
Callbacks Callback function signatures.
Configuration system upgrade functions Module update functions that
Content markers Markers used by theme_mark() and node_mark() to designate content.
Database abstraction layer Allow the use of different database servers using the same code base.
Field API Attaches custom data fields to Drupal entities.
Field Formatter API Define Field API formatter types.
Field Types API Defines field, widget, display formatter, and storage types.
Field Widget API Define Field API widget types.
File interface Common file handling functions.
File module public API functions These functions may be used to determine if and where a file is in use.
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 Functions that implement hooks for user-created content types.
Hooks Allow modules to interact with the Drupal core.
HTTP handling Functions to properly handle HTTP responses.
Input validation Functions to validate user input.
Interface translation properties .info.yml file properties for interface translation settings.
Locking mechanisms Functions to coordinate long-running operations across requests.
Logging severity levels Logging severity levels as defined in RFC 3164.
Menu context types Flags for use in the "context" attribute of menu router items.
Menu flags Flags for use in the "type" attribute of menu items.
Menu item types Definitions for various menu item types.
Menu status codes Status codes for menu callbacks.
Menu system Define the navigation menus, and route page requests to code based on URLs.
Menu tree parameters Parameters for a menu tree.
Node access rights The node access system determines who can do what to which nodes.
Node API Hooks Functions to define and modify content types.
PHP wrapper functions Functions that are wrappers or custom implementations of PHP functions.
Queue operations Queue items to allow later processing.
RDF Mapping API Functions to describe entities and bundles in RDF.
Sanitization functions Functions to sanitize values.
Schema API API to handle database schemas.
Search interface The Drupal search interface manages a global search mechanism.
Standard filters Filters implemented by the Filter module.
Taxonomy indexing Functions to maintain taxonomy indexing.
Translatable plugin metadata When providing plugin annotation, properties whose values are displayed in the user interface should be made translatable. Much the same as how user interface text elsewhere is wrapped in t() to make it translatable, in plugin annotation, wrap…
Update Manager module: file management Update Manager module file management functions.
Update Manager module: install Update Manager module functionality for installing new code.
Update Manager module: update Update Manager module functionality for updating existing code.
Update versions of API functions Functions that are similar to normal API functions, but do not invoke hooks.
Updates from 7.x to 8.x Update functions from 7.x to 8.x.
Views hooks Hooks that allow other modules to implement the Views API.
Views module handlers Handlers exposed by various modules to Views.
Views plugins Views plugins are objects that are used to build and render the view. Plugins are registered by extending one of the Views base plugin classes and defining settings in the plugin annotation.
Views template files All views templates can be overridden with a variety of names, using the view, the display ID of the view, the display type of the view, or some combination thereof.





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