SplHeap::valid
(PHP 5 >= 5.3.0)
SplHeap::valid — Check whether the heap contains more nodes
Beschreibung
public bool SplHeap::valid
( void
)
Checks if the heap contains any more nodes.
Parameter-Liste
Diese Funktion hat keine Parameter.
Rückgabewerte
Returns TRUE if the heap contains any more nodes, FALSE otherwise.