PHP | Ds\Sequence set() Function

PHP SplQueue::dequeue() Function

Last Updated : 23 Jun, 2023

The SplQueue::dequeue() function is an inbuilt function in PHP which is used to dequeues the node from the queue. Syntax:

mixed SplQueue::dequeue()

Parameters: This function does not accept any parameter. Return Value: This function return the value of the dequeued node. Below programs illustrate the SplQueue::dequeue() function in PHP: Program 1:

php

<?php

// Create a new empty queue
$gfg = new SplQueue();

$gfg[] = 1;
$gfg[] = 2;
$gfg[] = 3;

// Dequeue element
echo $gfg->dequeue() . "\n";
echo $gfg->dequeue() . "\n";

?>

Output:

1
2

Program 2:

php

<?php

// Create some fixed size array
$gfg = new SplQueue();

$gfg[] = 1;
$gfg[] = 5;
$gfg[] = 1;
$gfg[] = 11;
$gfg[] = 15;
$gfg[] = 17;

foreach ($gfg as $elem)  {
    echo $elem . "\n";
}

$gfg->dequeue();
$gfg->dequeue();
$gfg->dequeue();

// Print result after dequeue
foreach ($gfg as $elem)  {
    echo "dequeue: " . $gfg->dequeue() . "\n";

}
?>

Output:

1
5
1
11
15
17
dequeue: 11
dequeue: 15
dequeue: 17

Reference: https://www.php.net/manual/en/splqueue.dequeue.php

PHP | Ds\Sequence set() Function

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