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Name Type Location Description
field_ui_formatter_options function core/modules/field_ui/field_ui.admin.inc Returns an array of formatter options for a field type.
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.
DateUITestCase::testFieldUI function core/modules/date/tests/date.test

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