Ds\PriorityQueue::pop
Ds\PriorityQueue::pop
(PECL ds >= 1.0.0)
Ds\PriorityQueue::pop — Removes and returns the value with the highest priority.
Description
public mixed Ds\PriorityQueue::pop ( void )
Removes and returns the value at the front of the queue, ie. the value with the highest priority.
Note:
Values with equal priority fall back to FIFO (first in first out).
Parameters
This function has no parameters.
Return Values
The removed value which was at the front of the queue.
Errors/Exceptions
UnderflowException if empty.
Examples
Example #1 Ds\PriorityQueue::pop() example
<?php $queue = new \Ds\PriorityQueue(); $queue->push("a", 5); $queue->push("b", 15); $queue->push("c", 10); print_r($queue->pop()); print_r($queue->pop()); print_r($queue->pop()); ?>
The above example will output something similar to:
string(1) "a" string(1) "b" string(1) "c"
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https://secure.php.net/manual/en/ds-priorityqueue.pop.php