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| Title | Object type | File name | Summary |
|---|---|---|---|
| hook_form_alter | function | core/ |
Perform alterations before a form is rendered. |
| hook_form_BASE_FORM_ID_alter | function | core/ |
Provide a form-specific alteration for shared ('base') forms. |
| hook_form_FORM_ID_alter | function | core/ |
Provide a form-specific alteration instead of the global hook_form_alter(). |
| hook_form_system_theme_settings_alter | function | core/ |
Allow themes to alter the theme-specific settings form. |
| hook_hal_relation_uri_alter | function | core/ |
Alter the HAL relation URI. |
| hook_hal_type_uri_alter | function | core/ |
Alter the HAL type URI. |
| hook_help_section_info_alter | function | core/ |
Perform alterations on help page section plugin definitions. |
| hook_help_topics_info_alter | function | core/ |
Perform alterations on help topic definitions. |
| hook_image_effect_info_alter | function | core/ |
Alter the information provided in \Drupal\image\Annotation\ImageEffect. |
| hook_install_tasks_alter | function | core/ |
Alter the full list of installation tasks. |
| hook_js_alter | function | core/ |
Perform necessary alterations to the JavaScript before it is presented on the page. |
| hook_js_settings_alter | function | core/ |
Perform necessary alterations to the JavaScript settings (drupalSettings). |
| hook_language_fallback_candidates_alter | function | core/ |
Allow modules to alter the language fallback candidates. |
| hook_language_fallback_candidates_OPERATION_alter | function | core/ |
Allow modules to alter the fallback candidates for specific operations. |
| hook_language_negotiation_info_alter | function | core/ |
Perform alterations on language negotiation methods. |
| hook_language_switch_links_alter | function | core/ |
Perform alterations on language switcher links. |
| hook_language_types_info_alter | function | core/ |
Perform alterations on language types. |
| hook_layout_alter | function | core/ |
Allow modules to alter layout plugin definitions. |
| hook_library_info_alter | function | core/ |
Alter libraries provided by an extension. |
| hook_link_alter | function | core/ |
Alter the parameters for links. |
| hook_locale_translation_projects_alter | function | core/ |
Alter the list of projects to be updated by locale's interface translation. |
| hook_local_tasks_alter | function | core/ |
Alter local tasks plugins. |
| hook_mail_alter | function | core/ |
Alter an email message created with MailManagerInterface->mail(). |
| hook_mail_backend_info_alter | function | core/ |
Alter the list of mail backend plugin definitions. |
| hook_media_source_info_alter | function | core/ |
Alters the information provided in \Drupal\media\Annotation\MediaSource. |
| hook_menu_links_discovered_alter | function | core/ |
Alters all the menu links discovered by the menu link plugin manager. |
| hook_menu_local_actions_alter | function | core/ |
Alter local actions plugins. |
| hook_menu_local_tasks_alter | function | core/ |
Alter local tasks displayed on the page before they are rendered. |
| hook_migration_plugins_alter | function | core/ |
Allows altering the list of discovered migration plugins. |
| hook_module_implements_alter | function | core/ |
Alter the registry of modules implementing a hook. |
| hook_node_access_records_alter | function | core/ |
Alter permissions for a node before it is written to the database. |
| hook_node_grants_alter | function | core/ |
Alter user access rules when trying to view, edit or delete a node. |
| hook_node_links_alter | function | core/ |
Alter the links of a node. |
| hook_oembed_resource_url_alter | function | core/ |
Alters an oEmbed resource URL before it is fetched. |
| hook_options_list_alter | function | core/ |
Alters the list of options to be displayed for a field. |
| hook_page_attachments_alter | function | core/ |
Alter attachments (typically assets) to a page before it is rendered. |
| hook_plugin_filter_TYPE_alter | function | core/ |
Alter the filtering of plugin definitions for a specific plugin type. |
| hook_plugin_filter_TYPE__CONSUMER_alter | function | core/ |
Alter the filtering of plugin definitions for a specific type and consumer. |
| hook_query_alter | function | core/ |
Perform alterations to a structured query. |
| hook_query_TAG_alter | function | core/ |
Perform alterations to a structured query for a given tag. |
| hook_queue_info_alter | function | core/ |
Alter cron queue information before cron runs. |
| hook_quickedit_editor_alter | function | core/ |
Allow modules to alter in-place editor plugin metadata. |
| hook_rest_relation_uri_alter | function | core/ |
Alter the REST relation URI. |
| hook_rest_resource_alter | function | core/ |
Alter the resource plugin definitions. |
| hook_rest_type_uri_alter | function | core/ |
Alter the REST type URI. |
| hook_search_plugin_alter | function | core/ |
Alter search plugin definitions. |
| hook_simpletest_alter | function | core/ |
Alter the list of tests. |
| hook_system_breadcrumb_alter | function | core/ |
Perform alterations to the breadcrumb built by the BreadcrumbManager. |
| hook_system_info_alter | function | core/ |
Alter the information parsed from module and theme .info.yml files. |
| hook_system_themes_page_alter | function | core/ |
Alters theme operation links. |
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