PHP | Ds\Map put() Function
The Ds\Map::put() function is an inbuilt function in PHP, which is used to associates a key with a value.
Syntax:
void public Ds\Map::put( $key, $value )
Parameter: This function accepts two parameters as mentioned above and described below:
- $key: It is used to hold the key to associate the value.
- $value: It is used to hold the value of key.
Return value: This function does not return any value.
Below programs illustrate the Ds\Map::put() function in PHP:
Program 1:
<?php // Declare a new map $map = new \Ds\Map(); $map->put("a", "Geeks"); $map->put("b", "for"); $map->put("c", "Geeks"); // Display output print_r($map); // Declare a new map $map = new \Ds\Map(); $map->put("a", "Computer"); $map->put("b", "Science"); $map->put("c", "Portal"); // Display output print_r($map); ?> |
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Output:
Ds\Map Object
(
[0] => Ds\Pair Object
(
[key] => a
[value] => Geeks
)
[1] => Ds\Pair Object
(
[key] => b
[value] => for
)
[2] => Ds\Pair Object
(
[key] => c
[value] => Geeks
)
)
Ds\Map Object
(
[0] => Ds\Pair Object
(
[key] => a
[value] => Computer
)
[1] => Ds\Pair Object
(
[key] => b
[value] => Science
)
[2] => Ds\Pair Object
(
[key] => c
[value] => Portal
)
)
Program 2:
<?php // Declare a new map $map = new \Ds\Map(); $map->put("Geeks1", "computer"); $map->put("Geeks2", "science"); $map->put("Geeks3", 5); $map->put("Geeks3", 20); // Display result var_dump($map); ?> |
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Output:
object(Ds\Map)#1 (3) {
[0]=>
object(Ds\Pair)#2 (2) {
["key"]=>
string(6) "Geeks1"
["value"]=>
string(8) "computer"
}
[1]=>
object(Ds\Pair)#3 (2) {
["key"]=>
string(6) "Geeks2"
["value"]=>
string(7) "science"
}
[2]=>
object(Ds\Pair)#4 (2) {
["key"]=>
string(6) "Geeks3"
["value"]=>
int(20)
}
}
Reference: https://www.php.net/manual/en/ds-map.put.php
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