PHP Ds\Map copy() Function

The Ds\Map::copy() function of PHP is used to get a shallow copy of the specified Map instance. It returns a copy of the Map instance containing all of the key-value pairs in the same order as that of the specified Map instance.

Syntax:

Ds\Map public Ds\Map::copy ( )

Parameter: This function does not accepts any parameter.



Return value: It returns a shallow copy of the specified Map instance.

Below programs illustrate the Ds\Map::copy() function:

Program 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
// PHP program to illustrate copy() function
  
$map = new \Ds\Map([1 => "Geeks", 2 => "for"
                                3 => "Geeks"]);
  
print_r($map->copy());
  
?>

chevron_right


Output:

Ds\Map Object
(
    [0] => Ds\Pair Object
        (
            [key] => 1
            [value] => Geeks
        )

    [1] => Ds\Pair Object
        (
            [key] => 2
            [value] => for
        )

    [2] => Ds\Pair Object
        (
            [key] => 3
            [value] => Geeks
        )

)

Program 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
// PHP program to illustrate copy() function
  
$map = new \Ds\Map(["first" => "Geeks", "second" => "for"
                                "third" => "Geeks"]);
  
print_r($map->copy());
  
?>

chevron_right


Output:

Ds\Map Object
(
    [0] => Ds\Pair Object
        (
            [key] => first
            [value] => Geeks
        )

    [1] => Ds\Pair Object
        (
            [key] => second
            [value] => for
        )

    [2] => Ds\Pair Object
        (
            [key] => third
            [value] => Geeks
        )

)

Reference: http://php.net/manual/en/ds-map.copy.php



My Personal Notes arrow_drop_up

The function of education is to teach one to think intensively and to think critically

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.