WeakMap::current
WeakMap::next
WeakMap
PHP Manual

# WeakMap::key

(PECL weakref >= 0.2.0)

WeakMap::key — Returns the current key under iteration.

### Descrição

public object WeakMap::key ( void )

Returns the object serving as key in the map, at the current iterating position.

### Parâmetros

Esta função não possui parâmetros.

### Valor Retornado

The object key currently being iterated.

WeakMap::current
WeakMap::next
WeakMap
PHP Manual