PHP | Ds\Deque::set() Function

PHP Ds\Deque::set() 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 set() Function.

The built-in PHP Ds Deque set() function updates the value at a given index.

Syntax

Following below is the syntax to use this function -

public void Ds\Deque::set( int $index , mixed $value )


Return Value

This function does not return any value. It throws an OutOfRangeException if an index is not valid.

Example1

Try out the below example -

<?php 
   $deque = new \Ds\Deque([1, 2, 3, 4, 5]); 
   echo("The elements in deque: \n"); 
   print_r($deque); 
   
   $deque->set(4, 10); 
   echo("The deque after setting value at index 2: \n"); 
   print_r($deque); 
?>

Example2

Try the following example -

<?php 
   $deque = new \Ds\Deque(["Web", "Design", "Tutorialz", "Nigeria"]); 
   echo("The elements of deque: \n"); 
   print_r($deque); 
   
   $deque->set(2, "webdesigntutorialz"); 
   echo("The deque after setting value at index 2: \n"); 
   print_r($deque); 
?>


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 shift() Function.

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