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PHP | Ds\Map hasValue() Function

  • Last Updated : 20 Aug, 2019
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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 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 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: http://php.net/manual/en/ds-map.hasvalue.php

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