PHP | Ds\Deque::contains() Function

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

The PHP Ds Deque contains() function is used in determining if the deque contains given values.

Parameter Details

This PHP function have no parameter.

Syntax

Following below is the syntax to use this function -

public bool Ds\Deque::contains([ mixed $...values ] )


Return Value

It returns false if any of the provided values are not in the deque, otherwise true.

Example1

Try out the below example -

<?php 
   $deque = new \Ds\Deque([1, 2, 3, 4, 5]); 
  
   echo("The elements in the deque: \n"); 
   var_dump($deque); 
  
   echo("\n Checking for an element in the deque: \n"); 
   var_dump($deque->contains(2)); 
?>

Example2

Try the following example -

<?php 
   $deque = new \Ds\Deque([1, 2, 3, 4, 5]); 
   echo("The elements in the deque: \n"); 
   var_dump($deque); 
  
   echo("\n Checking for an element in the deque: \n");
   var_dump($deque->contains("TPT")); 
?>


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 construct() Function in PHP.

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