Hook List

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Hook List

Functions

Name Description
hook_actions_delete Executes code after an action is deleted.
hook_action_info Declares information about actions.
hook_action_info_alter Alters the actions declared by another module.
hook_admin_paths Define administrative paths.
hook_admin_paths_alter Redefine administrative paths defined by other modules.
hook_aggregator_fetch Create an alternative fetcher for aggregator.module.
hook_aggregator_fetch_info Specify the title and short description of your fetcher.
hook_aggregator_parse Create an alternative parser for aggregator module.
hook_aggregator_parse_info Specify the title and short description of your parser.
hook_aggregator_process Create a processor for aggregator.module.
hook_aggregator_process_info Specify the title and short description of your processor.
hook_aggregator_remove Remove stored feed data.
hook_ajax_render_alter Alter the commands that are sent to the user through the Ajax framework.
hook_archiver_info Declare archivers to the system.
hook_archiver_info_alter Alter archiver information declared by other modules.
hook_batch_alter Alter batch information before a batch is processed.
hook_block_configure Define a configuration form for a block.
hook_block_info Define all blocks provided by the module.
hook_block_info_alter Change block definition before saving to the database.
hook_block_list_alter Act on blocks prior to rendering.
hook_block_save Save the configuration options from hook_block_configure().
hook_block_view Return a rendered or renderable view of a block.
hook_block_view_alter Perform alterations to the content of a block.
hook_block_view_MODULE_DELTA_alter Perform alterations to a specific block.
hook_boot Perform setup tasks for all page requests.
hook_comment_delete The comment is being deleted by the moderator.
hook_comment_insert The comment is being inserted.
hook_comment_load Comments are being loaded from the database.
hook_comment_presave The comment passed validation and is about to be saved.
hook_comment_publish The comment is being published by the moderator.
hook_comment_unpublish The comment is being unpublished by the moderator.
hook_comment_update The comment is being updated.
hook_comment_view The comment is being viewed. This hook can be used to add additional data to the comment before theming.
hook_comment_view_alter The comment was built; the module may modify the structured content.
hook_contextual_links_view_alter Alter a contextual links element before it is rendered.
hook_countries_alter Alter the default country list.
hook_cron Perform periodic actions.
hook_cron_queue_info Declare queues holding items that need to be run periodically.
hook_cron_queue_info_alter Alter cron queue information before cron runs.
hook_css_alter Alter CSS files before they are output on the page.
hook_custom_theme Return the machine-readable name of the theme to use for the current page.
hook_dashboard_regions Add regions to the dashboard.
hook_dashboard_regions_alter Alter dashboard regions provided by modules.
hook_date_formats Define additional date formats.
hook_date_formats_alter Alter date formats declared by another module.
hook_date_format_types Define additional date types.
hook_date_format_types_alter Modify existing date types.
hook_delete Respond to node deletion.
hook_disable Perform necessary actions before module is disabled.
hook_drupal_goto_alter Change the page the user is sent to by drupal_goto().
hook_element_info Allows modules to declare their own Form API element types and specify their default values.
hook_element_info_alter Alter the element type information returned from modules.
hook_enable Perform necessary actions after module is enabled.
hook_entity_delete Act on entities when deleted.
hook_entity_info Inform the base system and the Field API about one or more entity types.
hook_entity_info_alter Alter the entity info.
hook_entity_insert Act on entities when inserted.
hook_entity_load Act on entities when loaded.
hook_entity_prepare_view Act on entities as they are being prepared for view.
hook_entity_presave Act on an entity before it is about to be created or updated.
hook_entity_query_alter Alter or execute an EntityFieldQuery.
hook_entity_update Act on entities when updated.
hook_entity_view Act on entities being assembled before rendering.
hook_entity_view_alter Alter the results of ENTITY_view().
hook_entity_view_mode_alter Change the view mode of an entity that is being displayed.
hook_exit Perform cleanup tasks.
hook_field_access Determine whether the user has access to a given field.
hook_field_attach_create_bundle Act on field_attach_create_bundle().
hook_field_attach_delete Act on field_attach_delete().
hook_field_attach_delete_bundle Act on field_attach_delete_bundle.
hook_field_attach_delete_revision Act on field_attach_delete_revision().
hook_field_attach_form Act on field_attach_form().
hook_field_attach_insert Act on field_attach_insert().
hook_field_attach_load Act on field_attach_load().
hook_field_attach_prepare_translation_alter Perform alterations on field_attach_prepare_translation().
hook_field_attach_preprocess_alter Alter field_attach_preprocess() variables.
hook_field_attach_presave Act on field_attach_presave().
hook_field_attach_purge Act on field_purge_data().
hook_field_attach_rename_bundle Act on field_attach_rename_bundle().
hook_field_attach_submit Act on field_attach_submit().
hook_field_attach_update Act on field_attach_update().
hook_field_attach_validate Act on field_attach_validate().
hook_field_attach_view_alter Perform alterations on field_attach_view() or field_view_field().
hook_field_available_languages_alter Alter field_available_languages() values.
hook_field_create_field Act on a field being created.
hook_field_create_instance Act on a field instance being created.
hook_field_delete Define custom delete behavior for this module's field data.
hook_field_delete_field Act on a field being deleted.
hook_field_delete_instance Act on a field instance being deleted.
hook_field_delete_revision Define custom revision delete behavior for this module's field types.
hook_field_display_alter Alters the display settings of a field before it gets displayed.
hook_field_display_ENTITY_TYPE_alter Alters the display settings of a field on a given entity type before it gets displayed.
hook_field_extra_fields Exposes "pseudo-field" components on fieldable entities.
hook_field_extra_fields_alter Alter "pseudo-field" components on fieldable entities.
hook_field_extra_fields_display_alter Alters the display settings of pseudo-fields before an entity is displayed.
hook_field_formatter_info Expose Field API formatter types.
hook_field_formatter_info_alter Perform alterations on Field API formatter types.
hook_field_formatter_prepare_view Allow formatters to load information for field values being displayed.
hook_field_formatter_view Build a renderable array for a field value.
hook_field_info Define Field API field types.
hook_field_info_alter Perform alterations on Field API field types.
hook_field_info_max_weight Returns the maximum weight for the entity components handled by the module.
hook_field_insert Define custom insert behavior for this module's field data.
hook_field_is_empty Define what constitutes an empty item for a field type.
hook_field_language_alter Perform alterations on field_language() values.
hook_field_load Define custom load behavior for this module's field types.
hook_field_prepare_translation Define custom prepare_translation behavior for this module's field types.
hook_field_prepare_view Prepare field values prior to display.
hook_field_presave Define custom presave behavior for this module's field types.
hook_field_purge_field Acts when a field record is being purged.
hook_field_purge_instance Acts when a field instance is being purged.
hook_field_read_field Act on field records being read from the database.
hook_field_read_instance Act on a field record being read from the database.
hook_field_schema Define the Field API schema for a field structure.
hook_field_storage_create_field Act on creation of a new field.
hook_field_storage_delete Delete all field data for an entity.
hook_field_storage_delete_field Act on deletion of a field.
hook_field_storage_delete_instance Act on deletion of a field instance.
hook_field_storage_delete_revision Delete a single revision of field data for an entity.
hook_field_storage_details Reveal the internal details about the storage for a field.
hook_field_storage_details_alter Perform alterations on Field API storage details.
hook_field_storage_info Expose Field API storage backends.
hook_field_storage_info_alter Perform alterations on Field API storage types.
hook_field_storage_load Load field data for a set of entities.
hook_field_storage_pre_insert Act before the storage backends insert field data.
hook_field_storage_pre_load Act before the storage backends load field data.
hook_field_storage_pre_update Act before the storage backends update field data.
hook_field_storage_purge Remove field storage information when field data is purged.
hook_field_storage_purge_field Remove field storage information when a field record is purged.
hook_field_storage_purge_field_instance Remove field storage information when a field instance is purged.
hook_field_storage_query Execute an EntityFieldQuery.
hook_field_storage_update_field Update the storage information for a field.
hook_field_storage_write Write field data for an entity.
hook_field_update Define custom update behavior for this module's field data.
hook_field_update_field Act on a field being updated.
hook_field_update_forbid Forbid a field update from occurring.
hook_field_update_instance Act on a field instance being updated.
hook_field_validate Validate this module's field data.
hook_field_widget_error Flag a field-level validation error.
hook_field_widget_form Return the form for a single field widget.
hook_field_widget_form_alter Alter forms for field widgets provided by other modules.
hook_field_widget_info Expose Field API widget types.
hook_field_widget_info_alter Perform alterations on Field API widget types.
hook_field_widget_properties_alter Alters the widget properties of a field instance before it gets displayed.
hook_field_widget_properties_ENTITY_TYPE_alter Alters the widget properties of a field instance on a given entity type before it gets displayed.
hook_field_widget_WIDGET_TYPE_form_alter Alter widget forms for a specific widget provided by another module.
hook_filetransfer_info Register information about FileTransfer classes provided by a module.
hook_filetransfer_info_alter Alter the FileTransfer class registry.
hook_file_copy Respond to a file that has been copied.
hook_file_delete Respond to a file being deleted.
hook_file_download Control access to private file downloads and specify HTTP headers.
hook_file_insert Respond to a file being added.
hook_file_load Load additional information into file objects.
hook_file_mimetype_mapping_alter Alter MIME type mappings used to determine MIME type from a file extension.
hook_file_move Respond to a file that has been moved.
hook_file_presave Act on a file being inserted or updated.
hook_file_update Respond to a file being updated.
hook_file_url_alter Alter the URL to a file.
hook_file_validate Check that files meet a given criteria.
hook_filter_format_disable Perform actions when a text format has been disabled.
hook_filter_format_insert Perform actions when a new text format has been created.
hook_filter_format_update Perform actions when a text format has been updated.
hook_filter_info Define content filters.
hook_filter_info_alter Perform alterations on filter definitions.
hook_flush_caches Add a list of cache tables to be cleared.
hook_form Display a node editing form.
hook_forms Map form_ids to form builder functions.
hook_form_alter Perform alterations before a form is rendered.
hook_form_BASE_FORM_ID_alter Provide a form-specific alteration for shared ('base') forms.
hook_form_FORM_ID_alter Provide a form-specific alteration instead of the global hook_form_alter().
hook_help Provide online user help.
hook_hook_info Defines one or more hooks that are exposed by a module.
hook_hook_info_alter Alter information from hook_hook_info().
hook_html_head_alter Alter XHTML HEAD tags before they are rendered by drupal_get_html_head().
hook_image_default_styles Provide module-based image styles for reuse throughout Drupal.
hook_image_effect_info Define information about image effects provided by a module.
hook_image_effect_info_alter Alter the information provided in hook_image_effect_info().
hook_image_styles_alter Modify any image styles provided by other modules or the user.
hook_image_style_delete Respond to image style deletion.
hook_image_style_flush Respond to image style flushing.
hook_image_style_save Respond to image style updating.
hook_image_toolkits Define image toolkits provided by this module.
hook_init Perform setup tasks for non-cached page requests.
hook_insert Respond to creation of a new node.
hook_install Perform setup tasks when the module is installed.
hook_install_tasks Return an array of tasks to be performed by an installation profile.
hook_install_tasks_alter Alter the full list of installation tasks.
hook_js_alter Perform necessary alterations to the JavaScript before it is presented on the page.
hook_language_fallback_candidates_alter Perform alterations on the language fallback candidates.
hook_language_init Allows modules to act after language initialization has been performed.
hook_language_negotiation_info Define language negotiation providers.
hook_language_negotiation_info_alter Perform alterations on language negoiation providers.
hook_language_switch_links_alter Perform alterations on language switcher links.
hook_language_types_info Define language types.
hook_language_types_info_alter Perform alterations on language types.
hook_library Registers JavaScript/CSS libraries associated with a module.
hook_library_alter Alters the JavaScript/CSS library registry.
hook_load Act on nodes being loaded from the database.
hook_locale Allows modules to define their own text groups that can be translated.
hook_mail Prepare a message based on parameters; called from drupal_mail().
hook_mail_alter Alter an email message created with the drupal_mail() function.
hook_menu Define menu items and page callbacks.
hook_menu_alter Alter the data being saved to the {menu_router} table after hook_menu is invoked.
hook_menu_breadcrumb_alter Alter links in the active trail before it is rendered as the breadcrumb.
hook_menu_contextual_links_alter Alter contextual links before they are rendered.
hook_menu_delete Respond to a custom menu deletion.
hook_menu_get_item_alter Alter a menu router item right after it has been retrieved from the database or cache.
hook_menu_insert Respond to a custom menu creation.
hook_menu_link_alter Alter the data being saved to the {menu_links} table by menu_link_save().
hook_menu_link_delete Inform modules that a menu link has been deleted.
hook_menu_link_insert Inform modules that a menu link has been created.
hook_menu_link_update Inform modules that a menu link has been updated.
hook_menu_local_tasks_alter Alter tabs and actions displayed on the page before they are rendered.
hook_menu_site_status_alter Control site status before menu dispatching.
hook_menu_update Respond to a custom menu update.
hook_modules_disabled Perform necessary actions after modules are disabled.
hook_modules_enabled Perform necessary actions after modules are enabled.
hook_modules_installed Perform necessary actions after modules are installed.
hook_modules_uninstalled Perform necessary actions after modules are uninstalled.
hook_module_implements_alter Alter the registry of modules implementing a hook.
hook_multilingual_settings_changed Allow modules to react to language settings changes.
hook_node_access Control access to a node.
hook_node_access_records Set permissions for a node to be written to the database.
hook_node_access_records_alter Alter permissions for a node before it is written to the database.
hook_node_delete Respond to node deletion.
hook_node_grants Inform the node access system what permissions the user has.
hook_node_grants_alter Alter user access rules when trying to view, edit or delete a node.
hook_node_info Define module-provided node types.
hook_node_insert Respond to creation of a new node.
hook_node_load Act on arbitrary nodes being loaded from the database.
hook_node_operations Add mass node operations.
hook_node_prepare Act on a node object about to be shown on the add/edit form.
hook_node_presave Act on a node being inserted or updated.
hook_node_revision_delete Respond to deletion of a node revision.
hook_node_search_result Act on a node being displayed as a search result.
hook_node_submit Act on a node after validated form values have been copied to it.
hook_node_type_delete Respond to node type deletion.
hook_node_type_insert Respond to node type creation.
hook_node_type_update Respond to node type updates.
hook_node_update Respond to updates to a node.
hook_node_update_index Act on a node being indexed for searching.
hook_node_validate Perform node validation before a node is created or updated.
hook_node_view Act on a node that is being assembled before rendering.
hook_node_view_alter Alter the results of node_view().
hook_openid Allow modules to modify the OpenID request parameters.
hook_openid_discovery_method_info Allow modules to declare OpenID discovery methods.
hook_openid_discovery_method_info_alter Allow modules to alter discovery methods.
hook_openid_normalization_method_info Allow modules to declare OpenID normalization methods.
hook_openid_normalization_method_info_alter Allow modules to alter normalization methods.
hook_openid_response Allow modules to act upon a successful OpenID login.
hook_overlay_child_initialize Allow modules to act when an overlay child window is initialized.
hook_overlay_parent_initialize Allow modules to act when an overlay parent window is initialized.
hook_page_alter Perform alterations before a page is rendered.
hook_page_build Add elements to a page before it is rendered.
hook_page_delivery_callback_alter Alters the delivery callback used to send the result of the page callback to the browser.
hook_path_delete Respond to a path being deleted.
hook_path_insert Respond to a path being inserted.
hook_path_update Respond to a path being updated.
hook_permission Define user permissions.
hook_prepare Act on a node object about to be shown on the add/edit form.
hook_query_alter Perform alterations to a structured query.
hook_query_TAG_alter Perform alterations to a structured query for a given tag.
hook_ranking Provide additional methods of scoring for core search results for nodes.
hook_rdf_mapping Allow modules to define RDF mappings for field bundles.
hook_rdf_namespaces Allow modules to define namespaces for RDF mappings.
hook_registry_files_alter Perform necessary alterations to the list of files parsed by the registry.
hook_requirements Check installation requirements and do status reporting.
hook_schema Define the current version of the database schema.
hook_schema_alter Perform alterations to existing database schemas.
hook_search_access Define access to a custom search routine.
hook_search_admin Add elements to the search settings form.
hook_search_execute Execute a search for a set of key words.
hook_search_info Define a custom search type.
hook_search_page Override the rendering of search results.
hook_search_preprocess Preprocess text for search.
hook_search_reset Take action when the search index is going to be rebuilt.
hook_search_status Report the status of indexing.
hook_shortcut_default_set Return the name of a default shortcut set for the provided user account.
hook_simpletest_alter Alter the list of tests.
hook_stream_wrappers Registers PHP stream wrapper implementations associated with a module.
hook_stream_wrappers_alter Alters the list of PHP stream wrapper implementations.
hook_system_info_alter Alter the information parsed from module and theme .info files
hook_system_themes_page_alter Alters theme operation links.
hook_system_theme_info Return additional themes provided by modules.
hook_taxonomy_term_delete Respond to the deletion of taxonomy terms.
hook_taxonomy_term_insert Act on taxonomy terms when inserted.
hook_taxonomy_term_load Act on taxonomy terms when loaded.
hook_taxonomy_term_presave Act on taxonomy terms before they are saved.
hook_taxonomy_term_update Act on taxonomy terms when updated.
hook_taxonomy_term_view Act on a taxonomy term that is being assembled before rendering.
hook_taxonomy_term_view_alter Alter the results of taxonomy_term_view().
hook_taxonomy_vocabulary_delete Respond to the deletion of taxonomy vocabularies.
hook_taxonomy_vocabulary_insert Act on taxonomy vocabularies when inserted.
hook_taxonomy_vocabulary_load Act on taxonomy vocabularies when loaded.
hook_taxonomy_vocabulary_presave Act on taxonomy vocabularies before they are saved.
hook_taxonomy_vocabulary_update Act on taxonomy vocabularies when updated.
hook_test_finished An individual test has finished.
hook_test_group_finished A test group has finished.
hook_test_group_started A test group has started.
hook_theme Register a module (or theme's) theme implementations.
hook_theme_registry_alter Alter the theme registry information returned from hook_theme().
hook_tokens Provide replacement values for placeholder tokens.
hook_tokens_alter Alter replacement values for placeholder tokens.
hook_token_info Provide information about available placeholder tokens and token types.
hook_token_info_alter Alter the metadata about available placeholder tokens and token types.
hook_translated_menu_link_alter Alter a menu link after it has been translated and before it is rendered.
hook_trigger_info Declare triggers (events) for users to assign actions to.
hook_trigger_info_alter Alter triggers declared by hook_trigger_info().
hook_uninstall Remove any information that the module sets.
hook_update Respond to updates to a node.
hook_updater_info Provide information on Updaters (classes that can update Drupal).
hook_updater_info_alter Alter the Updater information array.
hook_update_dependencies Return an array of information about module update dependencies.
hook_update_index Update the search index for this module.
hook_update_last_removed Return a number which is no longer available as hook_update_N().
hook_update_N Perform a single update.
hook_update_projects_alter Alter the list of projects before fetching data and comparing versions.
hook_update_status_alter Alter the information about available updates for projects.
hook_url_inbound_alter Alters inbound URL requests.
hook_url_outbound_alter Alters outbound URLs.
hook_username_alter Alter the username that is displayed for a user.
hook_user_cancel Act on user account cancellations.
hook_user_cancel_methods_alter Modify account cancellation methods.
hook_user_categories Retrieve a list of user setting or profile information categories.
hook_user_delete Respond to user deletion.
hook_user_insert A user account was created.
hook_user_load Act on user objects when loaded from the database.
hook_user_login The user just logged in.
hook_user_logout The user just logged out.
hook_user_operations Add mass user operations.
hook_user_presave A user account is about to be created or updated.
hook_user_role_delete Inform other modules that a user role has been deleted.
hook_user_role_insert Inform other modules that a user role has been added.
hook_user_role_presave Inform other modules that a user role is about to be saved.
hook_user_role_update Inform other modules that a user role has been updated.
hook_user_update A user account was updated.
hook_user_view The user's account information is being displayed.
hook_user_view_alter The user was built; the module may modify the structured content.
hook_validate Perform node validation before a node is created or updated.
hook_verify_update_archive Verify an archive after it has been downloaded and extracted.
hook_view Display a node.
hook_watchdog Log an event message.
hook_xmlrpc Register XML-RPC callbacks.
hook_xmlrpc_alter Alters the definition of XML-RPC methods before they are called.
module_hook Determines whether a module implements a hook.
module_hook_info Retrieves a list of hooks that are declared through hook_hook_info().
module_implements Determines which modules are implementing a hook.
module_implements_write_cache Writes the hook implementation cache.
module_invoke Invokes a hook in a particular module.
module_invoke_all Invokes a hook in all enabled modules that implement it.
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