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

Test that the field_info settings convenience functions work.

field_create_field in core/modules/field/field.crud.inc

Creates a field.

field_read_fields in core/modules/field/field.crud.inc

Reads in fields that match an array of conditions.

field_update_field in core/modules/field/field.crud.inc

Updates a field.

file_field_settings_form in core/modules/file/file.field.inc

Implements hook_field_settings_form().

image_field_settings_form in core/modules/image/image.field.inc

Implements hook_field_settings_form().

_field_info_prepare_field in core/modules/field/field.info.inc

Prepares a field definition for the current run-time context.