protected function processCallbackArray($value)
    {
        if ($this->isCallbackArray($value)) {
            
            $class  = $value['class'];
            $method = $value['method'];
            
            if ($result = call_user_func("{$class}::{$method}")) {
                
                if (isset($value['property'])) {
                    return $result->{$value['property']};
                }
                
                return $result;
                
            }
            
        }
    }