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Title Object type File name Summary
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_negotiation_info_alter function modules/system/language.api.php Perform alterations on language negoiation providers.
hook_language_switch_links_alter function modules/system/language.api.php Perform alterations on language switcher links.
hook_language_types_info_alter function modules/system/language.api.php Perform alterations on language types.
hook_library_alter function modules/system/system.api.php Alters the JavaScript/CSS library registry.
hook_mail_alter function modules/system/system.api.php Alter an email message created with the drupal_mail() function.
hook_menu_alter function modules/system/system.api.php Alter the data being saved to the {menu_router} table after hook_menu is invoked.
hook_menu_breadcrumb_alter function modules/system/system.api.php Alter links in the active trail before it is rendered as the breadcrumb.
hook_menu_contextual_links_alter function modules/system/system.api.php Alter contextual links before they are rendered.
hook_menu_get_item_alter function modules/system/system.api.php Alter a menu router item right after it has been retrieved from the database or cache.
hook_menu_link_alter function modules/system/system.api.php Alter the data being saved to the {menu_links} table by menu_link_save().
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_module_implements_alter function modules/system/system.api.php Alter the registry of modules implementing a hook.
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_alter function modules/node/node.api.php Alter user access rules when trying to view, edit or delete a node.
hook_node_view_alter function modules/node/node.api.php Alter the results of node_view().
hook_openid_discovery_method_info_alter function modules/openid/openid.api.php Allow modules to alter discovery methods.
hook_openid_normalization_method_info_alter function modules/openid/openid.api.php Allow modules to alter normalization methods.
hook_page_alter function modules/system/system.api.php Perform alterations before a page is rendered.
hook_page_delivery_callback_alter function modules/system/system.api.php Alters the delivery callback used to send the result of the page callback to the browser.
hook_query_alter function modules/system/system.api.php Perform alterations to a structured query.
hook_query_TAG_alter function modules/system/system.api.php Perform alterations to a structured query for a given tag.
hook_registry_files_alter function modules/system/system.api.php Perform necessary alterations to the list of files parsed by the registry.
hook_schema_alter function modules/system/system.api.php Perform alterations to existing database schemas.
hook_simpletest_alter function modules/simpletest/simpletest.api.php Alter the list of tests.
hook_stream_wrappers_alter function modules/system/system.api.php Alters the list of PHP stream wrapper implementations.
hook_system_info_alter function modules/system/system.api.php Alter the information parsed from module and theme .info files
hook_system_themes_page_alter function modules/system/system.api.php Alters theme operation links.
hook_taxonomy_term_view_alter function modules/taxonomy/taxonomy.api.php Alter the results of taxonomy_term_view().
hook_theme_registry_alter function modules/system/system.api.php Alter the theme registry information returned from hook_theme().
hook_tokens_alter function modules/system/system.api.php Alter replacement values for placeholder tokens.
hook_token_info_alter function modules/system/system.api.php Alter the metadata about available placeholder tokens and token types.
hook_translated_menu_link_alter function modules/system/system.api.php Alter a menu link after it has been translated and before it is rendered.
hook_trigger_info_alter function modules/trigger/trigger.api.php Alter triggers declared by hook_trigger_info().
hook_updater_info_alter function modules/system/system.api.php Alter the Updater information array.
hook_update_projects_alter function modules/update/update.api.php Alter the list of projects before fetching data and comparing versions.
hook_update_status_alter function modules/update/update.api.php Alter the information about available updates for projects.
hook_url_inbound_alter function modules/system/system.api.php Alters inbound URL requests.
hook_url_outbound_alter function modules/system/system.api.php Alters outbound URLs.
hook_username_alter function modules/system/system.api.php Alter the username that is displayed for a user.
hook_user_cancel_methods_alter function modules/user/user.api.php Modify account cancellation methods.
hook_user_view_alter function modules/user/user.api.php The user was built; the module may modify the structured content.
hook_valid_email_address_alter function modules/system/system.api.php Alter core e-mail validation.
hook_xmlrpc_alter function modules/system/system.api.php Alters the definition of XML-RPC methods before they are called.
image_form_system_file_system_settings_alter function modules/image/image.module Implements hook_form_FORM_ID_alter().
image_module_test_image_effect_info_alter function modules/image/tests/image_module_test.module Implements hook_image_effect_info_alter().
JavaScriptTestCase::testAlter function modules/simpletest/tests/common.test Test altering a JavaScript's weight via hook_js_alter().

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