This function has no parameters.
An array containing all the values in the same order as the deque.
Example #1 Ds\Deque::toArray() example
<?php
$deque = new \Ds\Deque([1, 2, 3]);
var_dump($deque->toArray());
?>
The above example will output something similar to:
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }