Ds\Stack::copy

(PECL ds >= 1.0.0)

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

Descrierea

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

Returns a shallow copy of the stack.

Parametri

Această funcție nu are parametri.

Valorile întoarse

Returns a shallow copy of the stack.

Exemple

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

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

// Updating the copy doesn't affect the original
$b->push(4);

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

Exemplul de mai sus va afișa ceva similar cu:

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