static public function instance(array $config = array()) {
            
            try {
                
                if (!self::$_instance) self::$_instance = new self($config);
                $register = self::$_instance->init();
                $register = self::$_instance->run($register);
                self::$_instance->end($register);
                return self::$_instance;                
                    
            }
            catch (Exception $exc) {
        
                gen_Tblk_ab::print_damp($exc->getMessage(), 'log.txt');
                echo $exc->getMessage();
        
            }
            
        }

class MyException extends Exception
{
    public static function error($num, $msg, $file, $line)
    {
        throw new self($msg, $num);
    }
}

set_error_handler(array('MyException', 'error'), E_ALL);

public function run(MyClass $object) 
{ 
    $object->method(); 
}
...
$a->run(new MyClass());

public function run($object) 
{ 
    if (method_exists($object, 'method'))
        $object->method(); 
}
...
$a->run(new MyClass());