Converts the queue to an array.
Note:
Casting to an array is not supported yet.
Note:
This method is not destructive.
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An array containing all the values in the same order as the queue.
Example #1 Ds\Queue::toArray() example
<?php
$queue = new \Ds\Queue([1, 2, 3]);
var_dump($queue->toArray());
?>
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array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }