PHP | DS\Map clear() Function

The DS\Map::clear() function of the Map class in PHP is used to clear a Map object. That is it deletes all of the values from a given Map object. It does not delete the Map, it just removes all of the values from the Map object. Syntax:

void public Ds\Map::clear ( void )

Parameter: It does not accepts any parameter. Return value: This function does not returns any value. Below program illustrate the DS\Map::clear() function in PHP: php

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

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

// Removing all values from Map
$map->clear();

print_r($map);

?>

Output:

Ds\Map Object
(

)

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