public function __construct()
{
if (isset(self::$current)) {
throw new ConstructionException('Cannot construct more than one instance of singleton class Cleaner.');
}
self::$current = $this;
}
public function __construct()
{
if (isset(self::$current)) {
throw new ConstructionException('Cannot construct more than one instance of singleton class Cleaner.');
}
self::$current = $this;
}
