laravel 转换时间函数

 @foreach($posts as $k=>$v)
                <div class="blog-post">
                    <h2 class="blog-post-title"><a href="/posts/62" >{{$v->title}}</a></h2>
                    <p class="blog-post-meta">{{$v->created_at->toFormattedDateString()}} <a href="/user/{{$v->id}}}"></a></p>

                    <p>{{$v->content}}
                    <p class="blog-post-meta">赞 0  | 评论 0</p>
                </div>
  @endforeach
//此函数可以转换为May 13, 2019