I would like to export only some columns (email) : the columnemaildoes not exists in table , but it's an accessor !(impossible to say->get(["email"])) Resources controller returnExcel::download(newCompaniesExpor
phpnamespaceIlluminate\Database\Query;useClosure;useIlluminate\Support\Collection;useIlluminate\Database\ConnectionInterface;useIlluminate\Database\Query\Grammars\Grammar;useIlluminate\Database\Query\Processors\Processor;classBuilder{//methods and variables come here} 如您所见,Eloquent 模型使用一些类,如Database...
Today, i would like to show you laravel collection get specific columns. We will use laravel collection map with only() example. This post will give you simple example of laravel collection map get specific columns value. Here you will learn laravel collection only certain keys example. Som...
The cards method on the billable model instance returns a collection of Laravel\Cashier\Card instances:$cards = $user->cards(); To retrieve the default card, the defaultCard method may be used;$card = $user->defaultCard(); Determining If A Card Is On FileYou may check if a ...
I'm mapping two (start_time, andend_time) columns from a collection from my tableschedules. I perform the map because I format the two columns to use theghour format. You see below I can format thestart_timebut not theend_time, how to format bothstart_timeandend_timeat the same time...
Note that when a model or collection is cast to a string, it will be converted to JSON, meaning you can return Eloquent objects directly from your application's routes!1Route::get('users', function() 2{ 3 return User::all(); 4});...
The onlyTrashed method will retrieve only soft deleted models:1$flights = App\Flight::onlyTrashed() 2 ->where('airline_id', 1) 3 ->get();Restoring Soft Deleted ModelsSometimes you may wish to "un-delete" a soft deleted model. To restore a soft deleted model into an active state, use...
maatwebsite laravel excel导出列与下拉列表工作表事件的实现可能会相当混乱,很难找到例子,所以当我看到...
Extract keys from a collection. This is very similar to only, with two key differences:extract returns an array of values, not an associative array If a value doesn't exist, it will fill the value with null instead of omitting it
public function type(): Type { return GraphQL::wrapType( 'PostType', 'PostMessageType', \App\GraphQL\Types\WrapMessagesType::class, ); } public function resolve($root, array $args) { return [ 'data' => Post::find($args['post_id']), 'messages' => new Collection([ new Simple...