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Title Object type File name Summary
hook_filetransfer_info_alter function modules/system/system.api.php Alter the FileTransfer class registry.
hook_file_download_access function modules/file/file.api.php Control download access to files.
hook_file_download_access_alter function modules/file/file.api.php Alter the access rules applied to a file download.
hook_file_insert function modules/system/system.api.php Respond to a file being added.
hook_file_presave function modules/system/system.api.php Act on a file being inserted or updated.
hook_filter_format_disable function modules/filter/filter.api.php Perform actions when a text format has been disabled.
hook_filter_format_insert function modules/filter/filter.api.php Perform actions when a new text format has been created.
hook_flush_caches function modules/system/system.api.php Add a list of cache tables to be cleared.
hook_forms function modules/system/system.api.php Map form_ids to form builder functions.
hook_form_BASE_FORM_ID_alter function modules/system/system.api.php Provide a form-specific alteration for shared ('base') forms.
hook_form_system_theme_settings_alter function modules/system/theme.api.php Allow themes to alter the theme-specific settings form.
hook_image_default_styles function modules/image/image.api.php Provide module-based image styles for reuse throughout Drupal.
hook_image_styles_alter function modules/image/image.api.php Modify any image styles provided by other modules or the user.
hook_image_style_delete function modules/image/image.api.php Respond to image style deletion.
hook_image_style_flush function modules/image/image.api.php Respond to image style flushing.
hook_image_style_save function modules/image/image.api.php Respond to image style updating.
hook_image_toolkits function modules/system/system.api.php Define image toolkits provided by this module.
hook_insert function modules/node/node.api.php Respond to creation of a new node.
hook_install function modules/system/system.api.php Perform setup tasks when the module is installed.
hook_install_tasks function modules/system/system.api.php Return an array of tasks to be performed by an installation profile.
hook_install_tasks_alter function modules/system/system.api.php Alter the full list of installation tasks.
hook_js_alter function modules/system/system.api.php Perform necessary alterations to the JavaScript before it is presented on
the page.
hook_language_fallback_candidates_alter function modules/system/language.api.php Perform alterations on the language fallback candidates.
hook_language_switch_links_alter function modules/system/language.api.php Perform alterations on language switcher links.
hook_language_types_info function modules/system/language.api.php Define language types.
hook_language_types_info_alter function modules/system/language.api.php Perform alterations on language types.
hook_menu_contextual_links_alter function modules/system/system.api.php Alter contextual links before they are rendered.
hook_menu_insert function modules/menu/menu.api.php Respond to a custom menu creation.
hook_menu_link_insert function modules/system/system.api.php Inform modules that a menu link has been created.
hook_menu_local_tasks_alter function modules/system/system.api.php Alter tabs and actions displayed on the page before they are rendered.
hook_menu_site_status_alter function modules/system/system.api.php Control site status before menu dispatching.
hook_modules_disabled function modules/system/system.api.php Perform necessary actions after modules are disabled.
hook_modules_enabled function modules/system/system.api.php Perform necessary actions after modules are enabled.
hook_modules_installed function modules/system/system.api.php Perform necessary actions after modules are installed.
hook_modules_uninstalled function modules/system/system.api.php Perform necessary actions after modules are uninstalled.
hook_module_implements_alter function modules/system/system.api.php Alter the registry of modules implementing a hook.
hook_multilingual_settings_changed function modules/locale/locale.api.php Allow modules to react to language settings changes.
hook_node_access function modules/node/node.api.php Control access to a node.
hook_node_access_records function modules/node/node.api.php Set permissions for a node to be written to the database.
hook_node_access_records_alter function modules/node/node.api.php Alter permissions for a node before it is written to the database.
hook_node_grants function modules/node/node.api.php Inform the node access system what permissions the user has.
hook_node_grants_alter function modules/node/node.api.php Alter user access rules when trying to view, edit or delete a node.
hook_node_insert function modules/node/node.api.php Respond to creation of a new node.
hook_node_operations function modules/node/node.api.php Add mass node operations.
hook_node_presave function modules/node/node.api.php Act on a node being inserted or updated.
hook_node_revision_delete function modules/node/node.api.php Respond to deletion of a node revision.
hook_node_search_result function modules/node/node.api.php Act on a node being displayed as a search result.
hook_node_submit function modules/node/node.api.php Act on a node after validated form values have been copied to it.
hook_node_type_insert function modules/node/node.api.php Respond to node type creation.
hook_openid_discovery_method_info function modules/openid/openid.api.php Allow modules to declare OpenID discovery methods.

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