The diffKeys method compares the collection against another collection or a plain PHP array based on its keys. This method will return the key / value pairs in the original collection that are not present in the given collection:1$collection = collect([ 2 'one' => 10, 3 'two' => 20...
If a job receives a collection or array of Eloquent models instead of a single model, the models within that collection will not have their relationships restored when the job is deserialized and executed. This is to prevent excessive resource usage on jobs that deal with large numbers of ...
我将数组存储在Laravelcollection中,并尝试使用->unique() $partners = collect($array)->unique(); 但输出与阵列馈入匹配。 如何从数组中删除类似这样的重复项,以便无论键是否交换,每对都是唯一的? 所需输出为: [ [ "partnerA" => "Alice", "partnerB" => "Alfred" ], [ "partnerA" => "Alfred",...
参考Arrays on Steroids.mp4 User::all()将返回上述Collection对象,该对象又实现了多个interface: ArrayAccess, ArrayableInterface, Countable, IteratorAggregate, JsonableInterface,也就是说返回的对象支持多种操作方式 >>>$users= App\User::all();//在这里会执行数据库操作=> Illuminate\Database\Eloquent\Collect...
FromArray; class UserExport implements FromArray { /** * @return array */ public function array() : array { return [ ['哈哈', 'aaa'], ['哈哈', 'aaa'], ['哈哈', 'aaa'], ['哈哈', 'aaa'] ]; } /** * @return array */ public function headers() : array { return []; } ...
(Array) #1 /home/www/vendor/laravel/framework/src/Illuminate/Database/Connection.php(606): Illuminate\Database\Connection->Illuminate\Database\{closure}(Object(Illuminate\Database\MySqlConnection), 'update `jobs` s...', Array) #2 /home/www/vendor/laravel/framework/src/Illuminate/Database/...
常见的collection分页扩展代码如下所示 //AppServiceProvider 添加如下代码 if (!Collection::hasMacro('paginate')) { Collection::macro('paginate', function ($perPage = 15, $page = null, $options = []) { $page = $page ?: (Paginator::resolveCurrentPage() ?: 1); return (new LengthAwarePagin...
* 指定 API 调用返回结果的类型:array(default)/collection/object/raw/自定义类名*/ 'response_type' => 'array', /* * 使用 Laravel 的缓存系统*/ 'use_laravel_cache' => true, /* * 日志配置* * level: 日志级别,可选为:* debug/info/notice/warning/error/critical/alert/emergency ...
Connections Vs. QueuesBefore getting started with Laravel queues, it is important to understand the distinction between "connections" and "queues". In your config/queue.php configuration file, there is a connections configuration array. This option defines the connections to backend queue services ...
But we can also pass an array of IDs to the find() method: $products = Product::find([1, 2, 3]); And it will return a Collection of products: Notice: This does not work with Query Builder, only with Eloquent Models. Eloquent: where($key, $value) VS where($conditionsArray) Anoth...