function MapInterface::keys

Return an array of the keys contained in this map.

Return value

list<K>

1 method overrides MapInterface::keys()

AbstractMap::keys in vendor/ramsey/collection/src/Map/AbstractMap.php

@inheritDoc

File

vendor/ramsey/collection/src/Map/MapInterface.php, line 51

Class

MapInterface

An object that maps keys to values.

Namespace

Ramsey\Collection\Map

Code

public function keys() : array;