PHP - Ds Deque construct() Function

Ds\Deque::__construct() function can create a new instance.

Syntax

public Ds\Deque::__construct([ mixed $values ] )

Ds\Deque::__construct() function can create a new instance by using either a traversable object or an array for initial values.

Example 1

<?php  
   $deque = new \Ds\Deque(); 
   echo("The elements of first deque: \n");  
   var_dump($deque); 
   
   $deque = new \Ds\Deque([10, 20, 30, 40, 50]);  
   echo("\n The elements of second deque: \n");  
   var_dump($deque); 
?>

Example 2

<?php  
   $deque = new \Ds\Deque(["Tutorials", "Point", "Tutorix"]);  
   echo("The elements of first deque: \n");  
   print_r($deque);  
   
   $deque = new \Ds\Deque(["I", "N", "D", "I", "A", 1, 2, 3]);  
   echo("\n The elements of second deque: \n");  
   print_r($deque); 
?>