public function CerFieldHandler::key in Corresponding Entity References 7.3
Implements Iterator::key().
File
- includes/
CerFieldHandler.inc, line 280 - Contains CerFieldHandler.
Class
- CerFieldHandler
- @class Handles low-level operations for a single field on a single entity. Exposes methods to add, delete and check for references. This will also iterate over the references, returning each one as an EntityDrupalWrapper object.
Code
public function key() {
return $this
->current()
->getIdentifier();
}