GoLang Ds\Set::copy

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PHP Ds\Set::copy

PHP original manual for Ds\Set::copy [ show | php.net ]

Ds\Set::copy

(PECL ds >= 1.0.0)

Ds\Set::copy — Returns a shallow copy of the set

Description

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

Returns a shallow copy of the set.

Parameters

This function has no parameters.

Return Values

Returns a shallow copy of the set.

Examples

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

<?php
$a = new \Ds\Set([1, 2, 3]);
$b = $a->copy();

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

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

The above example will output something similar to:

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