public function ArrayCollection::key in Plug 7

Gets the key/index of the element at the current iterator position.

Return value

int|string

Overrides Collection::key

File

lib/doctrine/collections/lib/Doctrine/Common/Collections/ArrayCollection.php, line 80

Class

ArrayCollection

An ArrayCollection is a Collection implementation that wraps a regular PHP array.

Namespace

Doctrine\Common\Collections

Code

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