public function Collection::key in Plug 7
Gets the key/index of the element at the current iterator position.
Return value
int|string
2 methods override Collection::key()
- AbstractLazyCollection::key in lib/doctrine/ collections/ lib/ Doctrine/ Common/ Collections/ AbstractLazyCollection.php 
- Gets the key/index of the element at the current iterator position.
- ArrayCollection::key in lib/doctrine/ collections/ lib/ Doctrine/ Common/ Collections/ ArrayCollection.php 
- Gets the key/index of the element at the current iterator position.
File
- lib/doctrine/ collections/ lib/ Doctrine/ Common/ Collections/ Collection.php, line 173 
Class
- Collection
- The missing (SPL) Collection/Array/OrderedMap interface.
Namespace
Doctrine\Common\CollectionsCode
public function key();