field_attach_form in modules/field/field.attach.inc

Add form elements for all fields for an entity to a form structure.

field_attach_form_validate in modules/field/field.attach.inc

Perform field validation against form-submitted field values.

field_attach_insert in modules/field/field.attach.inc

Save field data for a new entity.

field_attach_prepare_translation in modules/field/field.attach.inc

Prepares an entity for translation.

field_attach_submit in modules/field/field.attach.inc

Perform necessary operations on field data submitted by a form.

field_attach_validate in modules/field/field.attach.inc

Perform field validation against the field data in an entity.

field_attach_view in modules/field/field.attach.inc

Returns a renderable array for the fields on an entity.

field_view_field in modules/field/field.module

Returns a renderable array for the value of a single field in an entity.