PHP | DsDeque clear() Function

PHP | Ds\Pair clear() Function

Last Updated : 30 Jul, 2019

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

<?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

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