Ds\Deque::copy

(PECL ds >= 1.0.0)

Ds\Deque::copyReturns a shallow copy of the deque

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public Ds\Deque::copy ( void ) : Ds\Deque

Returns a shallow copy of the deque.

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A shallow copy of the deque.

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

<?php
$a 
= new \Ds\Deque([123]);
$b $a->copy();

$b->push(4);

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

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