hook_rebuild() Rebuild data based upon refreshed caches. This hook allows your
Describes how to generate and manipulate forms and process form submissions. Drupal provides a Form API in order to achieve consistency in its
hook_data_type_info_alter(&$data_types) Alter available data types for typed data wrappers.
Queue items to allow later processing. The queue system allows placing items in a queue and processing them later. The system tries to ensure
Information about the State API. The State API is one of several methods in Drupal for storing information. See the
hook_mail_alter(&$message) Alter an email message created with MailManagerInterface->mail().
Overview for Drupal's Ajax API. Overview of Ajax Ajax is the process of dynamically updating parts of a page's
Overview of extensions and alteration methods for Drupal. Types of extensions Drupal's core behavior can be
hook_mail_backend_info_alter(&$info) Alter the list of mail backend plugin definitions.
Overview of event dispatch and subscribing Introduction and terminology Events are part of the Symfony framework:
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