| hook_field_formatter_settings_summary_alter | function | core/modules/field/field.api.php | Alter the short summary for the current formatter settings of an instance. | 
          
                  | views_plugin_pager_full::exposed_form_alter | function | core/modules/views/plugins/views_plugin_pager_full.inc |  | 
          
                  | hook_ckeditor5_upgrade_button_mapping_alter | function | core/modules/ckeditor5/ckeditor5.api.php | Modify the button mapping used between CKEditor 4 and CKEditor 5 upgrades. | 
          
                  | taxonomy_nodes_test_query_node_access_alter | function | core/modules/taxonomy/tests/taxonomy_nodes_test/taxonomy_nodes_test.module | Implements hook_query_TAG_alter(). | 
          
                  | entityreference_query_entityreference_alter | function | core/modules/entityreference/entityreference.module | Implements hook_query_TAG_alter(). | 
          
                  | locale_test_language_negotiation_info_alter | function | core/modules/locale/tests/locale_test/locale_test.module | Implements hook_language_negotiation_info_alter(). | 
          
                  | user_form_test_form_user_profile_form_alter | function | core/modules/user/tests/user_form_test/user_form_test.module | Implements hook_form_FORM_ID_alter(). | 
          
                  | DatabaseAlterTestCase::testAlterRemoveRange | function | core/modules/simpletest/tests/database_test.test | Test that we can remove a range() value from a query. This also tests hook_query_TAG_alter(). | 
          
                  | hook_field_attach_prepare_translation_alter | function | core/modules/field/field.api.php | Perform alterations on field_attach_prepare_translation(). | 
          
                  | UrlAlterFunctionalTest::testGetQInitialized | function | core/modules/simpletest/tests/path.test | Tests that $_GET['q'] is initialized when the request path is empty. | 
          
                  | form_test_form_form_test_state_persist_alter | function | core/modules/simpletest/tests/form_test.module | Implements hook_form_FORM_ID_alter(). | 
          
                  | DatabaseAlterTestCase::testAlterChangeFields | function | core/modules/simpletest/tests/database_test.test | Test that we can alter the fields of a query. | 
          
                  | EntityReferenceBehaviorHandler::schema_alter | function | core/modules/entityreference/plugins/behavior/EntityReferenceBehaviorHandler.inc | Alter the field schema. | 
          
                  | image_form_system_file_system_settings_alter | function | core/modules/image/image.module | Implements hook_form_FORM_ID_alter(). | 
          
                  | hook_date_field_instance_settings_form_alter | function | core/modules/date/date.api.php | Alter a date field instance settings form. | 
          
                  | SystemInfoAlterTestCase::testSystemInfoAlter | function | core/modules/system/tests/system.test | Tests that {system}.info is rebuilt after a module that implements
hook_system_info_alter() is enabled. Also tests if core *_list() functions
return freshly altered info. | 
          
                  | views_plugin_exposed_form::exposed_form_alter | function | core/modules/views/plugins/views_plugin_exposed_form.inc |  | 
          
                  | search_form_layout_block_configure_form_alter | function | core/modules/search/search.module | Implements hook_form_FORM_ID_alter(). | 
          
                  | ckeditor5_form_filter_admin_format_form_alter | function | core/modules/ckeditor5/ckeditor5.module | Implements hook_form_FORM_ID_alter(). | 
          
                  | ViewsUiBaseViewsWizard::alter_display_options | function | core/modules/views_ui/wizards/views_ui_base_views_wizard.php | Alter the full array of display options before they are added to the view. | 
          
                  | field_test_field_widget_properties_user_alter | function | core/modules/field/tests/field_test/field_test.module | Implements hook_field_widget_properties_ENTITY_TYPE_alter(). | 
          
                  | UrlAlterFunctionalTest::assertUrlInboundAlter | function | core/modules/simpletest/tests/path.test | Assert that a inbound path is altered to an expected value. | 
          
                  | hook_date_field_formatter_settings_form_alter | function | core/modules/date/date.api.php | Alter a date field formatter settings form. | 
          
                  | field_test_field_formatter_settings_form_alter | function | core/modules/field/tests/field_test/field_test.module | Implements hook_field_formatter_settings_form_alter(). | 
          
                  | CommonBackdropAlterTestCase::testBackdropAlter | function | core/modules/simpletest/tests/common.test |  | 
          
                  | locale_form_language_admin_overview_form_alter | function | core/modules/locale/locale.module | Implements hook_form_FORM_ID_alter() for language_admin_overview_form(). | 
          
                  | DatabaseAlterTestCase::testSimpleAlterSubquery | function | core/modules/simpletest/tests/database_test.test | Test that we can do basic alters on subqueries. | 
          
                  | field_test_query_store_global_test_query_alter | function | core/modules/field/tests/field_test/field_test.module | Implements hook_query_TAG_alter() for tag 'store_global_test_query'. | 
          
                  | bartik_form_system_theme_settings_alter_submit | function | core/modules/color/color.legacy.inc | Submit handler for theme settings form. | 
          
                  | taxonomy_test_query_taxonomy_term_access_alter | function | core/modules/simpletest/tests/taxonomy_test.module | Implements hook_query_TAG_alter(). | 
          
                  | hook_field_widget_properties_ENTITY_TYPE_alter | function | core/modules/field/field.api.php | Alters the widget properties of a field instance on a given entity type
before it gets displayed. | 
          
                  | UrlAlterFunctionalTest::assertUrlOutboundAlter | function | core/modules/simpletest/tests/path.test | Assert that an outbound path is altered to an expected value. | 
          
                  | EntityReferenceBehaviorHandler::is_empty_alter | function | core/modules/entityreference/plugins/behavior/EntityReferenceBehaviorHandler.inc | Alter the empty status of a field item. | 
          
                  | field_test_query_efq_table_prefixing_test_alter | function | core/modules/field/tests/field_test/field_test.module | Implements hook_query_TAG_alter() for tag 'efq_table_prefixing_test'. | 
          
                  | UpdateTestContribCase::testHookUpdateStatusAlter | function | core/modules/update/tests/update.test | Check that hook_update_status_alter() works to change a status. | 
          
                  | locale_form_language_admin_add_form_alter_submit | function | core/modules/locale/locale.module | Set a batch for newly added language. | 
          
                  | EntityReferenceBehaviorHandler::views_data_alter | function | core/modules/entityreference/plugins/behavior/EntityReferenceBehaviorHandler.inc | Alter the views data of a field. | 
          
                  | LocaleLibraryInfoAlterTest::testLibraryInfoAlter | function | core/modules/locale/tests/locale.test | Verifies that the datepicker can be localized. | 
          
                  | hook_date_field_formatter_settings_summary_alter | function | core/modules/date/date.api.php | Alter a date field formatter settings summary. | 
          
                  | field_test_field_formatter_settings_summary_alter | function | core/modules/field/tests/field_test/field_test.module | Implements hook_field_formatter_settings_summary_alter(). | 
          
                  | locale_form_language_admin_edit_form_alter_submit | function | core/modules/locale/locale.module | Submission handler to record our custom setting. | 
          
                  | DatabaseAlterTestCase::testAlterChangeConditional | function | core/modules/simpletest/tests/database_test.test | Test that we can alter a query's conditionals. | 
          
                  | CommonBackdropGotoTestCase::testBackdropGotoAlter | function | core/modules/simpletest/tests/common.test | Test hook_backdrop_goto_alter(). | 
          
                  | entityreference_field_views_data_views_data_alter | function | core/modules/entityreference/views/entityreference.views.inc | Implements hook_field_views_data_views_data_alter(). | 
          
                  | NodeQueryAlter::testNodeQueryAlterLowLevelNoAccess | function | core/modules/node/tests/node.test | Tests 'node_access' query alter, for user without access. | 
          
                  | TaxonomyTermTestCase::testTaxonomySelectNodesAlter | function | core/modules/taxonomy/tests/taxonomy.test | Tests that taxonomy term detail page is working even after the default
taxonomy_select_nodes() query is altered. | 
          
                  | block_test_block_view_block_test_test_hyphen_alter | function | core/modules/block/tests/block_test/block_test.module | Implements hook_block_view_MODULE_DELTA_alter(). | 
          
                  | TaxonomyQueryAlterTestCase::testTaxonomyQueryAlter | function | core/modules/taxonomy/tests/taxonomy.test | Tests that appropriate tags are added when querying the database. | 
          
                  | TaxonomyQueryAlterTestCase::setupQueryTagTestHooks | function | core/modules/taxonomy/tests/taxonomy.test | Sets up the hooks in the test module. | 
          
                  | NodeEntityFieldQueryAlter::testNodeQueryAlterWithUI | function | core/modules/node/tests/node.test | Tests that node access permissions are followed. |