比如说我们可以使用类似于 array_map() 的函数把集合中的对象全部转换成数组,还可以用一个类似于 array_column() 的函数只获取数据中的两个字段组成键值对形式的数据。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $list=\App\Models\MTest::where($where)->orderBy('id','desc')->limit(10)->of...
php artisan make:migration add_slug_column_to_events_table --table=events 执行成功返回: 代码语言:txt AI代码解释 Created Migration: 2020_10_04_225240_add_slug_column_to_events_table 然后手动实现迁移文件的 up 方法: 代码语言:txt AI代码解释 public function up() { Schema::table('events', funct...
namespaceApp\Http\Controllers;classTestControllerextendsController{publicfunctionpush(){ $fd =1;// Find fd by userId from a map [userId=>fd]./**@var\Swoole\WebSocket\Server $swoole */$swoole = app('swoole'); $success = $swoole->push($fd,'Push data to fd#1 in Controller'); var_du...
Specifying A Custom Column Name1'state' => 'exists:states,abbreviation'Occasionally, you may need to specify a specific database connection to be used for the exists query. You can accomplish this by prepending the connection name to the table name using "dot" syntax:1'email' => 'exists:...
The values in the array will be used to find the user in your database table. So, in the example above, the user will be retrieved by the value of the email column. If the user is found, the hashed password stored in the database will be compared with the password value passed to...
:causer—— 表示causedBy的模型,可以使用点(:causer.column)表示模型属性 :properties—— 表示withProperties自定义的属性,可以使用点(:properties.column)表示对应的模型。 添加一个回复: 删除这个回复: 查看数据库日志: 查询相关日志 扩展包使用的日志模型在这里 ——Spatie\Activitylog\Models\Activity。
orderByThe orderBy method allows you to sort the result of the query by a given column. The first argument to the orderBymethod should be the column you wish to sort by, while the second argument controls the direction of the sort and may be either asc or desc:$users = DB::table('...
The values in the array will be used to find the user in your database table. So, in the example above, the user will be retrieved by the value of the email column. If the user is found, the hashed password stored in the database will be compared with the password value passed to...
classProductextends\Fobia\Database\SphinxConnection\Eloquent\Model {}$product= Product::find(1);$products= Product::where('votes','>',1)->get();$products= Product::match('name','match text')->get(); Attribute CastingFor the results of the columnattr_multican choose the format, which is...
其中,关于wherers的描述提供了相当丰富的操作接口,在实现这部分的接口时,在查询构造器Builder中将where操作分成了以下类型:Basic/Column/In/NotIn/NotInSub/InSub/NotNull/Null/between/Nested/Sub/NotExists/Exists/Raw。wheres条件的组装在Illuminate\Database\Query\Grammars\Grammar::compileWheres()方法中完成,每种...