PHP | Ds\Vector contains() Function

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(["geeks", "for", "geeks"]);

// Use contains() function to check
// existence of vector elements
var_dump($vector->contains("geeks"));

var_dump($vector->contains("geeks", "for"));

var_dump($vector->contains("GfG"));

?>

Output:

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

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