SplPriorityQueue::setExtractFlags
SplPriorityQueue::valid
SplPriorityQueue
PHP Manual

# SplPriorityQueue::top

(PHP 5 >= 5.3.0)

SplPriorityQueue::top — Peeks at the node from the top of the queue

### Description

public mixed SplPriorityQueue::top ( void )

### Parameters

This function has no parameters.

### Return Values

The value or priority (or both) of the top node, depending on the extract flag.

SplPriorityQueue::setExtractFlags
SplPriorityQueue::valid
SplPriorityQueue
PHP Manual