Laravel是一种流行的PHP开发框架,用于构建Web应用程序。在Laravel中,要求数据库中的if为null是指在数据库查询中,判断某个字段的值是否为null。 在Laravel中,可以使用以下方法来判断数据库字段的值是否为null: 使用whereNull方法:可以使用whereNull方法来筛选出字段值为null的记录。示例代码如下:...
...::class ::class魔术常量返回类的完全限定类名。 这是我发现自己使用最多的魔法常数,特别是在Laravel应用程序中。当您使用字符串形式的类名时,它特别有用。...例如,要在Laravel中定义一个web路由,你可以在你的routes/web.php文件中这样做: use App\Http\Controllers\UserController; Route::...
since I do not have any access to the validator instance at the point where the validation rules are defined. The validator instance is created and immediately run within an inheritedvalidatemethod (very similar to usingvalidation in a controller). Do I have to override thevalidatemethod in orde...
Or using Transpicious inLaravel Controller returnTranspicious::translate('world'); 4. Changing the language from user part Transpicious::set_translate_to('es');// es is the language code You can find the full list of language code,CLICK HERE. ...
If (reg4== null), (not fulfill) If (reg4== 1), print 1 (one time) Controller: $admin=Admin::all()where(‘name’, $name)where(‘role’, $role); I'm working in a Laravel livewire framework. If anyone can help, I'd greatly appreciate it. 0 ...
Laravel更新多个具有多个/属于多个关系 正如LaravelDoc所建议的,您可以使用saveMany()方法来存储关系实例。 // Save the hasMany foreach ($request['comments'] as $comment) { $comments[] = [ new Comment([ 'title' => $comment['title'], 'body' => $comment['body'], ]); ];}!empty($comments...
My use case is : if user click selection on value " 1:5 " ( accept as a string ), then user required to fill a few input . so my validation as below. how ever, validation still passed eventho i didn't fill the input type' => 'required',
你好,我有Laravel应用程序,在我的刀片视图中,如果两个数据之间有差异,我会添加背景颜色,但是这两个值都等于0 (int),所以不应该发生。 @if($prod->status!=$tmp->status) @endif当我转储状态数据时,我有以下内容:// display 0, 0有什么想法吗? 浏览4提问于2022-07-14得票数 0 ...
Laravel Repository using Query Builder (Fluent) instead of Eloquent. It returns a Collection of StdClass or a simple StdClass. It can receive arrays to create or update a record in the database and also delete a record or multiple record....
quality: transform this project into a meta package that will install all requirements for JS app within Symfony (like does laravel) security: check if i need the JMSSerializerBundle or if the serializer component is enough (if autowiring runs well, why not):I prefer to use Symfony serializer...