PHP - Ds Map reverse() Function

Ds\Map::reverse() function can reverse the map in-place.

Syntax

public void Ds\Map::reverse( void )

Ds\Map::reverse() function doesn't have any parameters.

Ds\Map::reverse() function doesn't return any value.

Example 1

<?php 
   $map = new \Ds\Map([1 => 10, 2 => 20, 3 => 30]); 
   $map->reverse(); 
  
   print_r($map);
?>

Example-2

<?php 
   $map = new \Ds\Map(["first" => "Tutorials", "second" => "Point", "third" => "India"]); 
   $map->reverse(); 
  
   print_r($map);
?>