public function ArrayCollection::getKeys

Gets all keys/indexes of the collection elements.

Return value

array

Overrides Collection::getKeys

File

drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Collections/ArrayCollection.php, line 290

Class

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

Namespace

Doctrine\Common\Collections

Code

public function getKeys() {
  return array_keys($this->_elements);
}