($categoryInstance)->get(); // Single category slug $post->withAnyCategories('test-category')->get(); // Multiple category slugs array $post->withAnyCategories(['first-category', 'second-category'])->get(); // Multiple category slugs collection $post->withAnyCategories(collect(['first-...
In each group of a collection like $mumbai, I have a column "status", I want to get its count like numbers of orders having the status "delivered", "pending" etc. How can I do this? Any help would be highly appreciable. php
The above example will make a single database query, retrieve all the records from the table, and hydrate Eloquent models one by one. This approach will make only one database query to retrieve all the posts. But usesphp generatorto optimize the memory usage. when can you use this? Though...
$collection = collect(['name' => 'taylor', 'framework' => 'laravel']); $value = $collection->get('name'); // taylor 你可以任选一个默认值作为第二个参数传递: $collection = collect(['name' => 'taylor', 'framework' => 'laravel']); $value = $collection->get('foo', 'default-va...
->get() much like ->all() (and ->first() etc..) can take the fields you want to bring back as parameters; ->get/all(['column1','column2']) Would bring back the collection but only with column1 and column2 Share Improve this answer Follow answered Nov 14, 2018 at 15:42 ...
The get method returns an Illuminate\Support\Collection containing the results where each result is an instance of the PHP StdClass object. You may access each column's value by accessing the column as a property of the object:foreach ($users as $user) { echo $user->name; }...
The get method returns an Illuminate\Support\Collection containing the results where each result is an instance of the PHP stdClass object. You may access each column's value by accessing the column as a property of the object:foreach ($users as $user) { echo $user->name; }...
如您所见,Eloquent 模型使用一些类,如Database、ConnectionInterface、Collection、Grammar和Processor。所有这些都是为了在后端标准化数据库查询,如果需要,缓存查询,并将输出作为集合对象返回。 以下是一些基本示例,展示了查询的外观: 要从users表中获取所有名称并逐个显示它们,使用以下代码: ...
Laravel Collection Get方法未按预期工作 、、 我在php artisan tinker中尝试了以下几种方法: >>> $contract = \App\ContractHour::where('user_id', '=', 14)->get(); => Illuminate\Database\Eloquent\Collection {#747 all: [...] } >>> $contract->where('day_of_wk', 1); => Illuminat...
Of course, in addition to retrieving all of the records for a given table, you may also retrieve single records using find or first. Instead of returning a collection of models, these methods return a single model instance: 通过find或first方法来检索单条记录 ...