SplQueue::__construct

(No version information available, might be only in CVS)

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;

    // ...

}

?>