SplHeap::valid
(PHP 5 >= 5.3.0)
SplHeap::valid — Check whether the heap contains more nodes
Beskrivelse
bool SplHeap::valid
( void
)
Checks if the heap contains any more nodes.
Parametre
This function has no parameters.
Returnerings Værdier
Returns TRUE if the heap contains any more nodes, FALSE otherwise.
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