Documentation & API reference
Functions
Primary tabs
Name |
Location | Description | Direct uses | Strings |
|---|---|---|---|---|
| hook_image_style_flush |
drupal/ |
Respond to image style flushing. | ||
| hook_insert |
drupal/ |
Respond to creation of a new node. | ||
| hook_install |
drupal/ |
Perform setup tasks when the module is installed. | ||
| hook_install_tasks |
drupal/ |
Return an array of tasks to be performed by an installation profile. | ||
| hook_install_tasks_alter |
drupal/ |
Alter the full list of installation tasks. | ||
| hook_js_alter |
drupal/ |
Perform necessary alterations to the JavaScript before it is presented on the page. | ||
| hook_language_delete |
drupal/ |
Allow modules to react before the deletion of a language. | ||
| hook_language_fallback_candidates_alter |
drupal/ |
Perform alterations on the language fallback candidates. | ||
| hook_language_insert |
drupal/ |
React to a language that was just added to the system. | ||
| hook_language_negotiation_info |
drupal/ |
Define language negotiation methods. | ||
| hook_language_negotiation_info_alter |
drupal/ |
Perform alterations on language negotiation methods. | ||
| hook_language_presave |
drupal/ |
React to a language about to be added or updated in the system. | ||
| hook_language_switch_links_alter |
drupal/ |
Perform alterations on language switcher links. | ||
| hook_language_types_info |
drupal/ |
Define language types. | ||
| hook_language_types_info_alter |
drupal/ |
Perform alterations on language types. | ||
| hook_language_update |
drupal/ |
React to a language that was just updated in the system. | ||
| hook_library_info |
drupal/ |
Registers JavaScript/CSS libraries associated with a module. | ||
| hook_library_info_alter |
drupal/ |
Alters the JavaScript/CSS library registry. | ||
| hook_load |
drupal/ |
Act on nodes being loaded from the database. | ||
| hook_locale_translation_projects_alter |
drupal/ |
Alter the list of projects to be updated by locale's interface translation. | ||
| hook_local_actions |
drupal/ |
Define route-based local actions. | ||
| hook_mail |
drupal/ |
Prepare a message based on parameters; called from drupal_mail(). | ||
| hook_mail_alter |
drupal/ |
Alter an email message created with the drupal_mail() function. | ||
| hook_menu |
drupal/ |
Define menu items and page callbacks. | ||
| hook_menu_alter |
drupal/ |
Alter the data being saved to the {menu_router} table after hook_menu is invoked. | ||
| hook_menu_breadcrumb_alter |
drupal/ |
Alter links in the active trail before it is rendered as the breadcrumb. | ||
| hook_menu_contextual_links_alter |
drupal/ |
Alter contextual links before they are rendered. | ||
| hook_menu_delete |
drupal/ |
Respond to a custom menu deletion. | ||
| hook_menu_get_item_alter |
drupal/ |
Alter a menu router item right after it has been retrieved from the database or cache. | ||
| hook_menu_insert |
drupal/ |
Respond to a custom menu creation. | ||
| hook_menu_link_delete |
drupal/ |
Inform modules that a menu link has been deleted. | ||
| hook_menu_link_insert |
drupal/ |
Inform modules that a menu link has been created. | ||
| hook_menu_link_load |
drupal/ |
Alter menu links when loaded and before they are rendered. | ||
| hook_menu_link_presave |
drupal/ |
Alter the data of a menu link entity before it is created or updated. | ||
| hook_menu_link_update |
drupal/ |
Inform modules that a menu link has been updated. | ||
| hook_menu_local_tasks |
drupal/ |
Alter tabs and actions displayed on the page before they are rendered. | ||
| hook_menu_local_tasks_alter |
drupal/ |
Alter tabs and actions displayed on the page before they are rendered. | ||
| hook_menu_update |
drupal/ |
Respond to a custom menu update. | ||
| hook_modules_disabled |
drupal/ |
Perform necessary actions after modules are disabled. | ||
| hook_modules_enabled |
drupal/ |
Perform necessary actions after modules are enabled. | ||
| hook_modules_installed |
drupal/ |
Perform necessary actions after modules are installed. | ||
| hook_modules_preenable |
drupal/ |
Perform necessary actions before modules are enabled. | ||
| hook_modules_preinstall |
drupal/ |
Perform necessary actions before modules are installed. | ||
| hook_modules_uninstalled |
drupal/ |
Perform necessary actions after modules are uninstalled. | ||
| hook_module_implements_alter |
drupal/ |
Alter the registry of modules implementing a hook. | ||
| hook_node_access |
drupal/ |
Controls access to a node. | ||
| hook_node_access_records |
drupal/ |
Set permissions for a node to be written to the database. | ||
| hook_node_access_records_alter |
drupal/ |
Alter permissions for a node before it is written to the database. | ||
| hook_node_create |
drupal/ |
Act on a newly created node. | ||
| hook_node_delete |
drupal/ |
Respond to node deletion. |