| 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The comment is being unpublished by the moderator.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. |
