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Namesort ascending Description
Updates from 6.x to 7.x Update functions from 6.x to 7.x.
Update versions of API functions Functions that are similar to normal API functions, but do not invoke hooks.
Update Manager module: update Update Manager module functionality for updating existing code.
Update Manager module: install Update Manager module functionality for installing new code.
Update Manager module: file management Update Manager module file management functions.
Translation search API Functions to search in translation files.
Translation import/export API. Functions to import and export translations.
Translation editing/deletion interface Edit and delete translation strings.
Translation administration screens Screens for translation administration.
Taxonomy indexing Functions to maintain taxonomy indexing.
Standard filters Filters implemented by the Filter module.
Search interface The Drupal search interface manages a global search mechanism.
Schema API API to handle database schemas.
Sanitization functions Functions to sanitize values.
RDF Mapping API Functions to describe entities and bundles in RDF.
Queue operations Queue items to allow later processing.
Private update status cache system Functions to manage the update status cache.
PHP wrapper functions Functions that are wrappers or custom implementations of PHP functions.
Pager pieces Theme functions for customizing pager elements.
Node API Hooks Functions to define and modify content types.
Node access rights The node access system determines who can do what to which nodes.
Menu tree parameters Parameters for a menu tree.
Menu system Define the navigation menus, and route page requests to code based on URLs.
Menu status codes Status codes for menu callbacks.
Menu item types Definitions for various menu item types.
Menu flags Flags for use in the "type" attribute of menu items.
Menu context types Flags for use in the "context" attribute of menu router items.
Logging severity levels Logging severity levels as defined in RFC 3164.
Locking mechanisms Functions to coordinate long-running operations across requests.
List of predefined languages API to provide a list of predefined languages.
Language negotiation options Functions for language negotiation.
Language Negotiation API functionality Functions to customize the language types and the negotiation process.
Language administration interface Administration interface for languages.
Language addition API Add a language.
Input validation Functions to validate user input.
Image toolkits Functions for image file manipulations.
HTTP handling Functions to properly handle HTTP responses.
Hooks Allow modules to interact with the Drupal core.
Hook implementations for user-created content types Functions that implement hooks for user-created content types.
Formatting Functions to format numbers, strings, dates, etc.
Form generation Functions to enable the processing and display of HTML forms.
Form builder functions Functions that build an abstract representation of a HTML form.
File module public API functions These functions may be used to determine if and where a file is in use.
File interface Common file handling functions.
Field Widget API Define Field API widget types.
Field Types API Define field types.
Field Storage API Implement a storage engine for Field API data.
Field Language API Handling of multilingual fields.
Field Info API Obtain information about Field API configuration.
Field Formatter API Define Field API formatter types.


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