Returns whether the iterator is still on a valid map element

# WeakMap::valid

(PECL weakref >= 0.2.0)

WeakMap::valid — Returns whether the iterator is still on a valid map element

### Descrierea

public WeakMap::valid ( void ) : bool

Returns whether the iterator is still on a valid map element.

### Parametri

Această funcție nu are parametri.

### Valorile întoarse

Returns `TRUE` if the iterator is on a valid element that can be accessed, `FALSE` otherwise.