PHP - Ds Set reverse() Function

Ds\Set::reverse() function can reverse a set in-place.

Syntax

public void Ds\Set::reverse( void )

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

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

Example 1

<?php  
   $set = new \Ds\Set(["10", "20", "30"]);  
   echo "The initial set: \n"; 
   var_dump($set);  
   
   $set->reverse(); 
   echo "\n The reversed set: \n"; 
   var_dump($set); 
?>  

Example 2

<?php  
   $set = new \Ds\Set(["Tutorials", "Point", "India"]);  
   echo "The initial set: \n"; 
   var_dump($set);  
  
   $set->reverse(); 
   echo "\n The reversed set: \n"; 
   var_dump($set); 
?>