PHP | Ds\Deque::sort() Function

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

The built-in PHP Ds Deque sort() function sorts the deque in-place by making use of an optional comparator function.

Syntax

Following below is the syntax to use this function -

public void Ds\Deque::sort([ callable $comparator ] )


Return Value

This built-in PHP function does not return any value.

Example1

Try out the below example -

<?php 
   $deque = new \Ds\Deque([5, 3, 8, 1, 7, 4]); 
   echo("The elements in deque: \n"); 
   print_r($deque); 
   
   $deque->sort(); 
   echo("The elements after sorting in deque: \n"); 
   print_r($deque);
?>

Example2

Try the following example -

<?php 
   $deque = new \Ds\Deque([5, 3, 8, 1, 7, 4]); 
   echo("The elements of deque: \n"); 
   print_r($deque); 
   
   $deque->sort(function($first, $second) { 
      return $first <= $second; 
   }); 
   echo("The elements after sorting in deque: \n"); 
   print_r($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 Ds Deque sorted() Function in PHP.

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