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PHP Ds\Map pairs() Function

  • Last Updated : 21 Aug, 2019
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The Ds\Map::pairs() function in PHP is used to get all of the pairs from the specified Map instance. This function returns a sequence of type Ds\Sequence containing all of the pairs from the Map instance.

Syntax:

Ds\Sequence public Ds\Map::pairs ( void )

Parameter: This function does not accepts any parameter.

Return value: It returns a sequence of type Ds\Sequence containing all of the pairs from the specified Map instance.

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



Program 1:




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

Output:

Ds\Vector 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:




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

Output:

Ds\Vector 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.pairs.php

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