Ds\Queue::pop

(PECL ds >= 1.0.0)

Ds\Queue::pop — Removes and returns the value at the front of the queue

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public Ds\Queue::pop ( void ) : mixed

Removes and returns the value at the front of the queue.

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The removed value which was at the front of the queue.

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UnderflowException if empty.

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Example #1 Ds\Queue::pop() example

<?php
$queue = new \Ds\Queue();

$queue->push("a");
$queue->push("b");
$queue->push("c");

var_dump($queue->pop());
var_dump($queue->pop());
var_dump($queue->pop());
?>

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string(1) "a"
string(1) "b"
string(1) "c"