(PECL ds >= 1.0.0)
Ds\PriorityQueue::peek — Returns the value at the front of the queue.
Returns the value at the front of the queue, but does not remove it.
Această funcție nu are parametri.
The value at the front of the queue.
UnderflowException if empty.
Example #1 Ds\PriorityQueue::peek() example
<?php
$queue = new \Ds\PriorityQueue();
$queue->push("a", 5);
$queue->push("b", 15);
$queue->push("c", 10);
var_dump($queue->peek());
?>
Exemplul de mai sus va afișa ceva similar cu:
string(1) "b"