system.api.php
Hooks provided by Drupal core and the System module.
File
modules/system/system.api.phpFunctions
| Name | Description |
|---|---|
| callback_entity_info_label | Return the label of an entity. |
| callback_entity_info_language | Return the language code of the entity. |
| callback_entity_info_uri | Return the URI for an entity. |
| callback_queue_worker | Work on a single queue item. |
| 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_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_boot | Perform setup tasks for all page requests. |
| 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_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_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_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_flush_caches | Add a list of cache tables to be cleared. |
| 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_toolkits | Define image toolkits provided by this module. |
| hook_init | Perform setup tasks for non-cached page requests. |
| 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_library | Registers JavaScript/CSS libraries associated with a module. |
| hook_library_alter | Alters the JavaScript/CSS library registry. |
| 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_get_item_alter | Alter a menu router item right after it has been retrieved from the database or cache. |
| 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_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_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_permission | Define user permissions. |
| hook_query_alter | Perform alterations to a structured query. |
| hook_query_TAG_alter | Perform alterations to a structured query for a given tag. |
| 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_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_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_uninstall | Remove any information that the module sets. |
| 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_last_removed | Return a number which is no longer available as hook_update_N(). |
| hook_update_N | Perform a single update. |
| 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_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. |
© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/modules!system!system.api.php/7.x