PHP Ds\Set reversed() Function

The Ds\Set::reversed() function of Ds\Set class in PHP is an inbuilt function which is used to create a copy of the original Set with values arranged in reverse order. That is, this function returns a reversed copy of the actual set. This function does not affect the original set instance. Syntax:

Ds\Set public Ds\Set::reversed ( void )

Parameter: This function does not accepts any parameter. Return Value: This function returns a reversed copy of the actual Set instance. Below programs illustrate the Ds\Set::reversed() function: Program 1: php

<?php 

// Declare an empty set 
$set = new \Ds\Set([1, 2, 3, 4, 5]);

// Print the reversed copy
echo("Reversed Set is: \n"); 
print_r($set->reversed()); 

// Actual Set remains unchanged
echo "\n\nActual Set is:\n";
print_r($set);

?> 

Program 2: php

<?php 

// Declare an empty set 
$set = new \Ds\Set(["Welcome", "2", "Geeks"]);

// Print the reversed copy
echo("Reversed Set is: \n"); 
print_r($set->reversed()); 

// Actual Set remains unchanged
echo "\n\nActual Set is:\n";
print_r($set);

?> 

Reference: http://php.net/manual/en/ds-set.reversed.php