SplQueue::__construct
SplQueue::__construct
(PHP 5 >= 5.3.0, PHP 7)
SplQueue::__construct — Constructs a new queue implemented using a doubly linked list
Description
SplQueue::__construct ( void )
This constructs a new empty queue.
Note: This method automatically sets the iterator mode to SplDoublyLinkedList::IT_MODE_FIFO.
Parameters
This function has no parameters.
Return Values
No value is returned.
Examples
Example #1 SplQueue::__construct() example
<?php
$q = new SplQueue(
$q[] = 1;
$q[] = 2;
$q[] = 3;
foreach ($q as $elem) {
echo $elem."\n";
}
?>
The above example will output:
1
2
3
Example #2 Efficiently handling tasks with SplQueue
<?php
$q = new SplQueue(
$q->setIteratorMode(SplQueue::IT_MODE_DELETE
// ... enqueue some tasks on the queue ...
// process them
foreach ($q as $task) {
// ... process $task ...
// add new tasks on the queue
$q[] = $newTask;
// ...
}
?>
← SplQueue
SplQueue::dequeue →
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
