PHP | Ds\Pair clear() Function

The Ds\Pair::clear() function is an inbuilt function in PHP which is used to remove all values from the pair.

Syntax:

void Ds\Pair::clear( void )

Parameters: This function does not accept any parameters.

Return Value: This function does not return any value.

Below programs illustrate the Ds\Pair::clear() function in PHP:

Program:

<?php

// Create new pair
$pair = new \Ds\Pair("G", "GeeksforGeeks");

echo ("Original pair elements:\n");

// Display the pair elements
print_r($pair);

echo("Modified pair\n");

// Use clear() function to
// remove pair elements
$pair->clear();

// Display pair elements
print_r($pair);

?>

Output:

Original pair elements:
Ds\Pair Object
(
    [key] => G
    [value] => GeeksforGeeks
)
Modified pair
Ds\Pair Object
(
)

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