PHP - Ds Map map() Function

Ds\Map::map() function can return the result of applying a callback to each value.

Syntax

public Ds\Map Ds\Map::map( callable $callback )

Ds\Map::map() function can return the result by applying a callback to each value in a map.

Example

<?php 
   $map = new \Ds\Map(["1" => "Tutorials", "2" => "Point", "3" => "India"]); 
  
   print_r($map->map(function($key, $value){
      return strtoupper($value);  
   })); 
   print_r($map); 
?>