Ds\Queue::pop
(PECL ds >= 1.0.0)
Ds\Queue::pop — Removes and returns the value at the front of the queue
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\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());
?>
The above example will output something similar to:
string(1) "a" string(1) "b" string(1) "c"
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