PHP | Ds\Deque::contains() Function

PHP Ds\Deque::contains() Function


Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing about the Ds Deque contains() Function in PHP.

Built-in PHP Ds Deque contains() function can determine if the deque contains given values.

Parameter Details

This built-in PHP function have no parameter.

Syntax

Following below is the syntax to use this function -

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


Return Value

This PHP function 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 rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the Ds Deque construct() Function in PHP.

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