PHP | Ds\Vector contains() Function

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The Ds\Vector::contains() function is an inbuilt function in PHP which is used to check the vector contains given value or not.

Syntax:

bool public Ds\Vector::contains( $values )

Parameters: This function accepts a single parameter $values which contains single/many values.

Return Value: This function returns true if the given value exists, false otherwise.

Below programs illustrate the Ds\Vector::contains() function in PHP:

Program 1:

<?php 
  
// Create a vector 
$vector = new \Ds\Vector([1, 2, 3, 4, 5]); 
  
// Use contains() function to check 
// existence of vector elements 
var_dump($vector->contains(1)); 
  
var_dump($vector->contains(1, 2)); 
  
var_dump($vector->contains(10)); 
  
?>  

Output:

bool(true)
bool(true)
bool(false)

Program 2:

<?php 
  
// Create a vector 
$vector = new \Ds\Vector(["zambiatek", "for", "zambiatek"]); 
  
// Use contains() function to check 
// existence of vector elements 
var_dump($vector->contains("zambiatek")); 
  
var_dump($vector->contains("zambiatek", "for")); 
  
var_dump($vector->contains("GfG")); 
  
?> 

Output:

bool(true)
bool(true)
bool(false)

Reference: http://php.net/manual/en/ds-vector.contains.php

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