class apple {
var $frozen = 0;
function ___sleep( ) {
$this->frozen++;
return array_keys( get_object_vars( $this) );
}
function __wakeup( ) {
print $this->frozen." time(s)";
}
}
$app = new apple ( );
$stored = serialize( $app );
print $stored;
$new_app = unserialize( $stored );
?>