Ds\Deque::copy
Returns a shallow copy of the deque
説明
public Ds\Deque Ds\Deque::copy()
戻り値
A shallow copy of the deque.
例
例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);
?>
Ds\Deque Object
(
[0] => 1
[1] => 2
[2] => 3
)
Ds\Deque Object
(
[0] => 1
[1] => 2
[2] => 3
[3] => 4
)