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Title Object type File name Summary
hook_field_widget_single_element_form_alter function core/modules/field/field.api.php Alter forms for field widgets provided by other modules.
hook_field_widget_single_element_WIDGET_TYPE_form_alter function core/modules/field/field.api.php Alter widget forms for a specific widget provided by another module.
hook_form_alter function core/lib/Drupal/Core/Form/form.api.php Perform alterations before a form is rendered.
hook_views_plugins_exposed_form_alter function core/modules/views/views.api.php Modify the list of available views exposed form plugins.
language_form_alter function core/modules/language/language.module Implements hook_form_alter().
layout_builder_form_entity_form_display_edit_form_alter function core/modules/layout_builder/layout_builder.module Implements hook_form_FORM_ID_alter() for \Drupal\field_ui\Form\EntityFormDisplayEditForm.
locale_form_language_admin_add_form_alter function core/modules/locale/locale.module Implements hook_form_FORM_ID_alter() for language_admin_add_form().
locale_form_language_admin_add_form_alter_submit function core/modules/locale/locale.module Form submission handler for language_admin_add_form().
locale_form_language_admin_edit_form_alter function core/modules/locale/locale.module Implements hook_form_FORM_ID_alter() for language_admin_edit_form().
locale_form_language_admin_edit_form_alter_submit function core/modules/locale/locale.module Form submission handler for language_admin_edit_form().
locale_form_language_admin_overview_form_alter function core/modules/locale/locale.module Implements hook_form_FORM_ID_alter() for language_admin_overview_form().
media_field_widget_complete_form_alter function core/modules/media/media.module Implements hook_field_widget_complete_form_alter().
media_field_widget_single_element_form_alter function core/modules/media/media.module Implements hook_field_widget_single_element_form_alter().
media_form_field_ui_field_storage_add_form_alter function core/modules/media/media.module Implements hook_form_FORM_ID_alter().
media_form_filter_format_add_form_alter function core/modules/media/media.module Implements hook_form_FORM_ID_alter().
media_form_filter_format_edit_form_alter function core/modules/media/media.module Implements hook_form_FORM_ID_alter().
media_library_form_alter function core/modules/media_library/media_library.module Implements hook_form_alter().
menu_ui_form_node_form_alter function core/modules/menu_ui/menu_ui.module Implements hook_form_BASE_FORM_ID_alter() for \Drupal\node\NodeForm.
menu_ui_form_node_type_form_alter function core/modules/menu_ui/menu_ui.module Implements hook_form_FORM_ID_alter() for \Drupal\node\NodeTypeForm.
node_form_system_themes_admin_form_alter function core/modules/node/node.module Implements hook_form_FORM_ID_alter().
node_test_form_alter function core/modules/node/tests/modules/node_test/node_test.module Implements hook_form_alter().
olivero_form_alter function core/themes/olivero/olivero.theme Implements hook_form_alter() for adding classes and placeholder text to the search forms.
olivero_form_views_exposed_form_alter function core/themes/olivero/olivero.theme Implements hook_form_views_exposed_form_alter().
olivero_theme_suggestions_form_alter function core/themes/olivero/olivero.theme Implements hook_theme_suggestions_HOOK_alter() for form templates.
options_test_form_entity_test_entity_test_form_alter function core/modules/options/tests/options_test/options_test.module Implements hook_form_FORM_ID_alter().
path_field_widget_single_element_form_alter function core/modules/path/path.module Implements hook_field_widget_single_element_form_alter().
phpass_form_system_modules_uninstall_confirm_form_alter function core/modules/phpass/phpass.module Implements hook_form_FORM_ID_alter() for system_modules_uninstall_confirm_form.
search_form_search_block_form_alter function core/modules/search/search.module Implements hook_form_FORM_ID_alter() for the search_block_form form.
standard_form_install_configure_form_alter function core/profiles/standard/standard.profile Implements hook_form_FORM_ID_alter() for install_configure_form().
system_form_alter function core/modules/system/system.module Implements hook_form_alter().
system_form_form_test_alter_form_alter function core/modules/system/tests/modules/form_test/form_test.module Implements hook_form_FORM_ID_alter().
taxonomy_test_form_taxonomy_term_form_alter function core/modules/taxonomy/tests/modules/taxonomy_test/taxonomy_test.module Implements hook_form_BASE_FORM_ID_alter() for the taxonomy term form.
umami_form_alter function core/profiles/demo_umami/themes/umami/umami.theme Implements hook_form_alter().
umami_form_search_block_form_alter function core/profiles/demo_umami/themes/umami/umami.theme Implements hook_form_FORM_ID_alter().
user_form_test_form_user_cancel_form_alter function core/modules/user/tests/modules/user_form_test/user_form_test.module Implements hook_form_FORM_ID_alter() for user_cancel_form().
views_form_views_exposed_form_alter function core/modules/views/views.module Implements hook_form_alter() for the exposed form.
views_test_checkboxes_theme_form_views_exposed_form_alter function core/modules/views/tests/themes/views_test_checkboxes_theme/views_test_checkboxes_theme.theme Changes an exposed "type" filter from a multi-select to checkboxes.
views_ui_test_field_form_views_ui_add_handler_form_alter function core/modules/views_ui/tests/modules/views_ui_test_field/views_ui_test_field.module Implements hook_form_FORM_ID_alter() for views_ui_add_handler_form.
workspaces_form_alter function core/modules/workspaces/workspaces.module Implements hook_form_alter().
_content_translation_form_language_content_settings_form_alter function core/modules/content_translation/content_translation.admin.inc (proxied) Implements hook_form_FORM_ID_alter().

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