SplPriorityQueue
PHP Manual

SplPriorityQueue::valid

(PHP 5 >= 5.3.0, PHP 7)

SplPriorityQueue::validCheck whether the queue contains more nodes

Descrierea

public bool SplPriorityQueue::valid ( void )

Checks if the queue contains any more nodes.

Parametri

Această funcție nu are parametri.

Valorile întoarse

Returns TRUE if the queue contains any more nodes, FALSE otherwise.


SplPriorityQueue
PHP Manual