FieldInfoTestCase::testFieldInfo in core/modules/field/tests/field.test

Test that field types and field definitions are correctly cached.

FieldInfoTestCase::testSettingsInfo in core/modules/field/tests/field.test

Test that the field_info settings convenience functions work.

locale_form_alter in core/modules/locale/locale.module

Implements hook_form_alter().

UserRegistrationTestCase::testRegistrationWithUserFields in core/modules/user/tests/user.test

Tests Field API fields on user registration forms.

user_field_info_alter in core/modules/user/user.module

Implements hook_field_info_alter().

user_form_field_ui_field_edit_form_alter in core/modules/user/user.module

Implements hook_form_FORM_ID_alter().

user_form_field_ui_field_edit_form_submit in core/modules/user/user.module

Additional submit handler for the 'Edit field instance' form.

user_menu in core/modules/user/user.module

Implements hook_menu().

user_register_page in core/modules/user/user.module

Menu callback to create a new account.