[英]Laravel belongsToMany Relationship
这取决于您想要达到的目标,但例如
$this->attachedHotels->groupBy('city_id');
https://laravel.com/docs/6.x/collections#method-groupby
或者
$this->attachedHotels->pluck('city_id')->unique();
https://laravel.com/docs/6.x/collections#method-pluck https://laravel.com/docs/6.x/collections#method-unique
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.