Language: C C++ D Haskell Lua OCaml PHP Perl Plain Text Python Ruby Scheme Tcl <?php class Book { private $properties; function __get($property) { return strtolower($this->properties[$property]); } function __set($property, $value) { $this->properties[$property] = $value; } } $book = new Book; $book->title = 'Code Complete'; $book->author = 'Steve McConnell'; echo $book->title . ' - ' . $book->author; Private [?] Run code