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问题描述
我有一些数据发布到服务器,并且正在基于该数据(id)检索一个Player.我正在使用以下代码:
I have some data being posted to the server and am retrieving a Player based on that data (an id). I am using the following code:
$player = Player::findOrFail($player_data['id']);但是,我要检查此Player是否属于特定的Team-belongsToMany关系.
However, I want to check that this Player belongs to a specific Team - a belongsToMany relationship.
有没有比以下更好的方法了?
Is there a better way than something like:
if (! count($player->team()->find($teamId))) { // exit early, form may have been 'hacked' abort(404); }?
team()而不是teams(),即使它是多对多的.
team() and not teams(), even though its a many-to-many.
推荐答案使用 contains() 方法:
$player->team->contains($teamId);
contains方法确定集合是否包含给定项
The contains method determines whether the collection contains a given item
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检查模型是否存在多对多关系的最佳方法
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