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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();
}