PHP Manual
SplPriorityQueue
Check whether the queue contains more nodes

SplPriorityQueue::valid

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

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

Description

public SplPriorityQueue::valid(): 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.

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