Ds\Stack::copy
PHP function
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(PECL ds >= 1.0.0)
Returns a shallow copy of the stack
Description
Ds\Stack::copy(): Ds\Stack
Returns a shallow copy of the stack.
Parameters Parameters
Return Values
Returns a shallow copy of the stack.
Examples
Ds\Stack::copy() example
php
<?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:
output
Ds\Stack Object
(
[0] => 3
[1] => 2
[2] => 1
)
Ds\Stack Object
(
[0] => 4
[1] => 3
[2] => 2
[3] => 1
)