public static function Init()
{
if (!is_resource(self::$Input)) {
if (!is_resource(self::$Input = fopen('php://stdin', 'r'))) {
throw new Exception("Can't open php://stdin in read mode");
}
}
if (!is_resource(self::$Output)) {
if (!is_resource(self::$Output = fopen('php://stdout', 'w'))) {
throw new Exception("Can't open php://stdout in write mode");
}
}
if (!is_resource(self::$Error)) {
if (!is_resource(self::$Error = fopen('php://stderr', 'w'))) {
throw new Exception("Can't open php://stderr in write mode");
}
}
}