Ds\Stack::copy

(PECL ds >= 1.0.0)

Ds\Stack::copyReturns a shallow copy of the stack

Description

public Ds\Stack::copy(): Ds\Stack

Returns a shallow copy of the stack.

Parameters

This function has no parameters.

Return Values

Returns a shallow copy of the stack.

Examples

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

<?php$a = new \Ds\Stack([1, 2, 3]);$b = $a->copy();// Updating the copy doesn't affect the original$b->push(4);print_r($a);print_r($b);?>

The above example will output something similar to:

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