PHP | Ds\Vector reverse() Function

The Ds\Vector::reverse() function is an inbuilt function in PHP which is used to reverse the vector elements in-place. Syntax:

void public Ds\Vector::reverse( void )

Parameters: This function does not accepts any parameters. Return Value: This function does not return any value. Below programs illustrate the Ds\Vector::reverse() function in PHP: Program 1: php

<?php 

// Create new Vector 
$arr = new \Ds\Vector([1, 2, 3, 4, 5]); 

// Display the elements 
print_r($arr); 

echo("Vector after reversing\n"); 

// Use reverse() function to reverse 
// the vector elements and display it 
$arr->reverse();

print_r($arr);

?>

Program 2: php

<?php 

// Create new Vector 
$arr = new \Ds\Vector(["Geeks", "GFG",
        "Computer", "Science", "Portal"]); 

// Display the elements 
print_r($arr); 

echo("Vector after reversing\n"); 

// Use reverse() function to reverse 
// the vector elements and display it 
$arr->reverse();

print_r($arr);

?>

Reference: https://www.php.net/manual/en/ds-vector.reverse.php