| field_ui_formatter_options | function | core/modules/field_ui/field_ui.admin.inc | Returns an array of formatter options for a field type. | 
          
                  | NodeAccessJoinTest::$field | property | core/modules/node/tests/node.test |  | 
          
                  | hook_field_create_instance | function | core/modules/field/field.api.php | Act on a field instance being created. | 
          
                  | Example: Field Permissions | group | modules/examples/field_permission_example/field_permission_example.module | This example demonstrates how to use permissions on a Field API field. | 
          
                  | hook_field_update_instance | function | core/modules/field/field.api.php | Act on a field instance being updated. | 
          
                  | field_ui_field_delete_form | function | core/modules/field_ui/field_ui.admin.inc | Form constructor for removing a field instance from a bundle. | 
          
                  | views_handler_field_markup | class | core/modules/views/handlers/views_handler_field_markup.inc | A handler to run a field through check_markup, using a companion
format field. | 
          
                  | hook_field_delete_instance | function | core/modules/field/field.api.php | Act on a field instance being deleted. | 
          
                  | field_default_prepare_view | function | core/modules/field/field.default.inc | Invokes hook_field_formatter_prepare_view() on the relevant formatters. | 
          
                  | image_field_widget_process | function | core/modules/image/image.field.inc | An element #process callback for the image_image field type. | 
          
                  | views_handler_field_custom | class | core/modules/views/handlers/views_handler_field_custom.inc | A handler to provide a field that is completely custom by the administrator. | 
          
                  | image_field_formatter_info | function | core/modules/image/image.field.inc | Implements hook_field_formatter_info(). | 
          
                  | email_field_formatter_info | function | core/modules/email/email.module | Implements hook_field_formatter_info(). | 
          
                  | _field_language_suggestion | function | core/modules/field/field.multilingual.inc | Process the given language suggestion based on the available languages. | 
          
                  | email_field_formatter_view | function | core/modules/email/email.module | Implements hook_field_formatter_view(). | 
          
                  | image_field_formatter_view | function | core/modules/image/image.field.inc | Implements hook_field_formatter_view(). | 
          
                  | entity_form_field_validate | function | core/modules/entity/entity.module | Attaches field API validation to entity forms. | 
          
                  | EmailFieldTestCase::$field | property | core/modules/email/tests/email.test |  | 
          
                  | EntityFieldQuery::$altered | property | core/modules/entity/entity.query.inc | TRUE if the query has already been altered, FALSE if it hasn't. | 
          
                  | field_attach_load_revision | function | core/modules/field/field.attach.inc | Load all fields for previous versions of a group of entities. | 
          
                  | field_attach_form_validate | function | core/modules/field/field.attach.inc | Perform field validation against form-submitted field values. | 
          
                  | EntityFieldQuery::$deleted | property | core/modules/entity/entity.query.inc | Query behavior for deleted data. | 
          
                  | field_attach_create_bundle | function | core/modules/field/field.attach.inc | Notify field.module that a new bundle was created. | 
          
                  | field_attach_rename_bundle | function | core/modules/field/field.attach.inc | Notify field.module that a bundle was renamed. | 
          
                  | field_attach_delete_bundle | function | core/modules/field/field.attach.inc | Notify field.module that a bundle was deleted. | 
          
                  | FieldViewsFieldTest::setUp | function | core/modules/field/tests/field_views.test | Sets up a Backdrop site for running functional and integration tests. | 
          
                  | InsertQuery::$insertFields | property | core/includes/database/query.inc | An array of fields on which to insert. | 
          
                  | _field_info_collate_fields | function | core/modules/field/field.info.inc | Collates all information on existing fields and instances. | 
          
                  | DatabaseSchema::fieldNames | function | core/includes/database/schema.inc | Return an array of field names from an array of key/index column map. | 
          
                  | views_handler_field_entity | class | core/modules/views/handlers/views_handler_field_entity.inc | A handler to display data from entity objects. | 
          
                  | field_info_formatter_types | function | core/modules/field/field.info.inc | Returns information about field formatters from hook_field_formatter_info(). | 
          
                  | FieldViewsDataTest::$nodes | property | core/modules/field/tests/field_views.test |  | 
          
                  | FieldViewsDataTest::$users | property | core/modules/field/tests/field_views.test |  | 
          
                  | FieldUIAlterTestCase::setUp | function | core/modules/field_ui/tests/field_ui.test | Sets up a Backdrop site for running functional and integration tests. | 
          
                  | field_info_storage_settings | function | core/modules/field/field.info.inc | Returns a field storage type's default settings. | 
          
                  | number_field_formatter_info | function | core/modules/field/modules/number/number.module | Implements hook_field_formatter_info(). | 
          
                  | number_field_formatter_view | function | core/modules/field/modules/number/number.module | Implements hook_field_formatter_view(). | 
          
                  | taxonomy_field_extra_fields | function | core/modules/taxonomy/taxonomy.module | Implements hook_field_extra_fields(). | 
          
                  | file_add_upload_step_fields | function | core/modules/file/file.pages.inc | Generate form fields for the fourth step in the add file wizard. | 
          
                  | views_handler_field::render | function | core/modules/views/handlers/views_handler_field.inc | Render the field. | 
          
                  | FIELD_CARDINALITY_UNLIMITED | constant | core/modules/field/field.module | Value for field API indicating a field accepts an unlimited number of values. | 
          
                  | views_field_create_instance | function | core/modules/views/views.module | Implements hook_field_create_instance. | 
          
                  | views_field_update_instance | function | core/modules/views/views.module | Implements hook_field_update_instance. | 
          
                  | views_field_delete_instance | function | core/modules/views/views.module | Implements hook_field_delete_instance. | 
          
                  | FieldBlock::getAdminPreview | function | core/modules/field/field.block.inc | Sets description text on draggable block in Layout builder. | 
          
                  | field_config_label_instance | function | core/modules/field/field.module | Given a field array, display a unique label. | 
          
                  | ajax_example_autotextfields | function | modules/examples/ajax_example/ajax_example.module | Shows/hides textfields based on AJAX-enabled checkbox clicks. | 
          
                  | views_handler_field_boolean | class | core/modules/views/handlers/views_handler_field_boolean.inc | A handler to provide proper displays for booleans. | 
          
                  | FieldAttachTestCase::$field | property | core/modules/field/tests/field.test |  | 
          
                  | GenericFieldTest::getModule | function | modules/examples/field_permission_example/tests/field_permission_example.test | The module to enable. |