PHP | Ds\Deque::merge() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP Ds Deque merge() Function.

The built-in PHP Ds Deque merge() function can return the result of adding all the given values to the deque, effectively the same as adding values to a copy and then return the copy.

Syntax

Following below is the syntax to use this function -

public Ds\Deque Ds\Deque::merge( mixed $values )

READ: PHP | Ds\Deque::map() Function

Return Value

This function returns the result of adding all the given values to the deque.

Example1

Try out the below example -

<?php 
   $deque1 = new \Ds\Deque([10, 20, 30, 40, 50]); 
   echo("The elements in first deque: \n"); 
   print_r($deque1); 
   
   $deque2 = new \Ds\Deque([60, 70, 80, 90]); 
   echo("\n The elements of second deque: \n"); 
   print_r($deque2); 
   
   echo("\n The merged deque elements: \n"); 
   print_r($deque1->merge($deque2)); 
?> 

Example2

Try the following example -

<?php 
   $deque1 = new \Ds\Deque(["Web", "Design", "Tutorialz"]); 
   echo("The elements in first deque: \n"); 
   print_r($deque1); 
   
   $deque2 = new \Ds\Deque(["Tutorialz", "Nigeria"]);
   echo("\n The elements of second deque: \n"); 
   print_r($deque2); 
   
   echo("\n The merged deque elements: \n"); 
   print_r($deque1->merge($deque2)); 
?> 

READ: PHP | Ds\Deque::last() Function

Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we are going to be discussing about the PHP Ds Deque pop() Function.

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