Mongolid\Model\Attributes::__set PHP Method

    public function __set($key, $value)
    {
        if ($this->mutable && $this->hasMutatorMethod($key, 'set')) {
            $value = $this->{$this->buildMutatorMethod($key, 'set')}($value);
        }
        $this->setAttribute($key, $value);
    }