PHP - Ds Sequence reverse() Function

Ds\Sequence::reverse() function can reverse a sequence in-place.

Syntax

public abstract void Ds\Sequence::reverse( void )

Ds\Sequence::reverse() function doesn't have any parameters. This function doesn't return any value.

Example 1

<?php  
   $seq = new \Ds\Vector([1, 2, 3, 4, 5]);  
   echo("Sequence before reversing \n");  
   print_r($seq);  
  
   echo("Sequence after reversing \n");  
   seq->reverse(); 
  
   print_r($seq); 
?>

Example 2

<?php  
   $seq = new \Ds\Vector(["Raja", "Adithya", "Jai", "Chaitanya", "Surya", "Ravi"]);  
  
   echo("Sequence before reversing \n");  
   print_r($seq);  
   
   echo("Sequence after reversing \n");  
   $seq->reverse(); 
   print_r($seq); 
?>