SplPriorityQueue::valid

(PHP 5 >= 5.3.0, PHP 7)

SplPriorityQueue::valid — Check whether the queue contains more nodes

Description

public SplPriorityQueue::valid ( void ) : bool

Checks if the queue contains any more nodes.

Parameters

This function has no parameters.

Return Values

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