public function FieldChain::key in Corresponding Entity References 7.3

Implements Iterator::key().

File

field_object/includes/FieldChain.inc, line 100

Contains the FieldChain class.

Class

FieldChain

@class A doubly linked list of FieldInstance objects.

Code

public function key() {
  return $this
    ->current()
    ->__toString();
}