Ds\Queue::copy

(PECL ds >= 1.0.0)

Ds\Queue::copy — Returns a shallow copy of the queue

public Ds\Queue::copy(): Ds\Queue

Returns a shallow copy of the queue.

This function has no parameters.

Returns a shallow copy of the queue.

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

<?php
$a = new \Ds\Queue([1, 2, 3]);
$b = $a->copy();

/ Updating the copy doesn't affect the original
$b->push(4);

print_r($a);
print_r($b);
?>

The above example will output something similar to:

Ds\Queue Object
(
    [0] => 1
    [1] => 2
    [2] => 3
)
Ds\Queue Object
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => 4
)

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