(PECL ds >= 1.0.0)
Ds\Deque::copy — Returns a shallow copy of the deque
public Ds\Deque::copy ( ) : Ds\Deque
Returns a shallow copy of the deque.
This function has no parameters.
A shallow copy of the deque.
Example #1 Ds\Deque::copy() example
<?php $a = new \Ds\Deque([1, 2, 3]); $b = $a->copy(); $b->push(4); print_r($a); print_r($b); ?>
The above example will output something similar to:
Ds\Deque Object
(
[0] => 1
[1] => 2
[2] => 3
)
Ds\Deque Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
)
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https://www.php.net/manual/en/ds-deque.copy.php