PHP | Ds\Map hasValue() Function

The Ds\Map::hasValue() function in PHP is used to check whether a given Value is present in the Map object or not. It accepts the value to be checked as a parameter and return True if the given Value is present in the Map otherwise it returns False. Syntax:

bool public Ds\Map::hasValue ( mixed $value )

Parameter: It accepts a value to be checked as a parameter. The value is of the mixed type that is it can be a string or an integer or any other type of value. Return value: This function returns a boolean value, True or False based on whether the given value is present in the Map or not. Below program illustrate the Ds\Map::hasValue() function in PHP: Program 1: php

<?php
// PHP program to illustrate the hasValue()
// function of Ds\map

// Creating a Map
$map = new \Ds\Map(["1" => 5, 
            "2" => 10, "3" => 15]);

// check if the value 5 is present in the Map
var_dump($map->hasValue(5));

?>

Output:

bool(true)

Program 2: php

<?php
// PHP program to illustrate the hasValue()
// function of Ds\map

// Creating a Map
$map = new \Ds\Map(["1" => "Geeks", 
            "2" => "for", "3" => "Geeks"]);

// Check if the value "Geeks" is 
// present in the Map
var_dump($map->hasValue("Geeks"));

?>

Output:

bool(true)

Reference: https://www.php.net/manual/en/ds-map.hasvalue.php