PHP | Ds\Deque::count() 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 count() Function.

The built-in PHP Ds Deque count() function can be used to get the number of elements in the deque.

Parameter Details

This PHP function have no parameter.

Syntax

Following below is the syntax to use this function -

public Ds\Deque::count( void ) : int

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

Return Value

This built-in function returns the number of elements in the deque.

Example1

Try out the below example -

<?php 
   $deque = new \Ds\Deque([1, 2, 3, 4, 5]); 
   echo("The elements in the deque: \n"); 
   print_r($deque); 
   
   echo("\n The number of elements in the deque: "); 
   print_r($deque->count()); 
?> 

Example2

Try the following example -

<?php 
   $deque = new \Ds\Deque(["Web", "Design", "Tutorialz"]); 
   echo("The elements in the deque: \n"); 
   print_r($deque); 
   
   echo("\n The number of elements in the deque: "); 
   print_r($deque->count()); 
?> 

READ: PHP | Ds\Deque::clear() 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 filter() Function.

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