public function call($aArgs = [])
    {
        if(($this->sInclude))
        {
            require_once $this->sInclude;
        }

        // If the function is an alias for a class method, then instanciate the class
        if(is_array($this->xUserFunction) && is_string($this->xUserFunction[0]))
        {
            $sClassName = $this->xUserFunction[0];
            $this->xUserFunction[0] = new $sClassName;
        }

        return call_user_func_array($this->xUserFunction, $aArgs);
    }