Search for _form_alter

Title	Object type	File name	Summary
hook_field_widget_complete_form_alter	function	core/modules/field/field.api.php	Alter the complete form for field widgets provided by other modules.
hook_field_widget_complete_WIDGET_TYPE_form_alter	function	core/modules/field/field.api.php	Alter the complete form for a specific widget provided by other modules.
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.
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_submit	function	core/modules/locale/locale.module	Form submission handler for language_admin_edit_form().
test_installer_theme_form_install_select_language_form_alter	function	core/modules/system/tests/themes/test_installer_theme/test_installer_theme.theme	Implements hook_form_FORM_ID_alter().
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() for search_block_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.

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