本文整理汇总了PHP中app\Topic::decrement方法的典型用法代码示例。如果您正苦于以下问题：PHP Topic::decrement方法的具体用法？PHP Topic::decrement怎么用？PHP Topic::decrement使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类app\Topic的用法示例。
在下文中一共展示了Topic::decrement方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: topicDownVote
public function topicDownVote(Topic $topic)
{
if ($topic->votes()->ByWhom(auth()->id())->WithType('downvote')->count()) {
// click second time for remove downvote
$topic->votes()->ByWhom(auth()->id())->WithType('downvote')->delete();
$topic->increment('vote_count', 1);
} elseif ($topic->votes()->ByWhom(auth()->id())->WithType('upvote')->count()) {
// user already clicked upvote once
$topic->votes()->ByWhom(auth()->id())->WithType('upvote')->delete();
$topic->votes()->create(['user_id' => auth()->id(), 'is' => 'downvote']);
$topic->decrement('vote_count', 2);
} else {
// click first time
$topic->votes()->create(['user_id' => auth()->id(), 'is' => 'downvote']);
$topic->decrement('vote_count', 1);
}
}