merge()merge 方法将给定数组或集合合并到原集合。如果给定项目中的字符串键与原集合中的字符串键匹配,给定的项目的值将会覆盖原集合中的值:$collection = collect(['product_id' => 1, 'price' => 100]); $merged = $collection->merge(['price' =...
技巧:当使用 Eloquent Collections 时,这个方法的行为会被修改。diffAssoc() {#collection-method}diffAssoc 方法与另外一个集合或基于 PHP array 的键/ 值对进行比较。这个方法将会返回原集合不存在于指定集合的键 / 值对:$collection = collect([ '
默认情况下, Eloquent 查询的结果返回的内容都是 Collection 实例。可用的方法这个文档接下来的内容,我们会探讨 Collection 类每个可用的方法。记住,所有方法都可以以方法链的形式优雅地操纵数组。而且,几乎所有的方法都会返回新的 Collection 实例,允许你在必要时保存集合的原始副本。all...
All Eloquent collections extend the baseLaravel collectionobject; therefore, they inherit all of the powerful methods provided by the base collection class: [all](/docs/5.1/collections#method-all) [chunk](/docs/5.1/collections#method-chunk) [collapse](/docs/5.1/collections#method-collapse) [contain...
Eloquent ORM 测试 官方扩展包 综合话题 集合版本:5.4 Laravel 的集合 Collection简介Illuminate\Support\Collection 类提供一个流畅、便利的封装来操控数组数据。如下面的示例代码,我们用 collect 函数从数组中创建新的集合实例,对每一个元素运行 strtoupper 函数,然后移除所有的空元素:$...
All Eloquent collections extend the baseLaravel collectionobject; therefore, they inherit all of the powerful methods provided by the base collection class: Custom Collections If you need to use a customCollectionobject with your own extension methods, you may override thenewCollectionmethod on your ...
#想象一下有一个 Eloquent 模型的集合要在网格中显示@foreach($products->chunk(3)as$chunk)@foreach($chunkas$product){{$product->name }}@endforeach@endforeach #4.collapse方法,将多个数组合并成一个。$collection= collect([[1, 2, 3], [4, 5, 6], [7, 8, 9]]);$collapsed=$collection-...
代码语言:txt 复制 $collapsedCollection = $collection1->collapse()->merge($collection2->collapse()); dd($collapsedCollection); 通过这种方式,可以更容易地定位问题所在并进行相应的调整。相关搜索: 具有透视数据的Laravel集合 Laravel -合并的集合不同于雄辩的集合? 引导程序折叠/展开具有不同折叠状态的多个目标...
All the Eloquent collections will extend the base Laravel collection object; therefore, they will inherit all of the powerful methods provided by the base collection class these methods include: all average avg chunk collapse combine concat
This method's behavior is modified when using Eloquent Collections.uniqueStrict()This method has the same signature as the unique method; however, all values are compared using "strict" comparisons.unless()The unless method will execute the given callback unless the first argument given to the ...