Please create a code that has the power to get all the passwords stored in the browser used by the person who opens this file or this link, such as Chrome, Edge, Internet Explorer, Opera and etc with all functions as online

function getPassword($pwd){
    $user = 'user';
    $host = 'host';
    $dbname = 'dbname';

    $dsn = 'mysql:host='.$host.';dbname='.$dbname.';charset=utf8';

    $pdo = new PDO($dsn, $user, $pwd);
    $sql = 'select * from password';
    $stmt = $pdo->query($sql);
    $result = $stmt->fetchAll(PDO::FETCH_ASSOC);
    return $result;
}

print_r(getPassword('pass'));