function($query) use laravel code example
Example 1: laravel orWhere
$camps = $field->camps()->where('status', 0)->where(function ($q) {
$q->where('sex', Auth::user()->sex)->orWhere('sex', 0);
})->get();
Example 2: wherein laravel
DB::table('user')->whereIn('id', [100,200])->get();
Example 3: laravel db::query update
DB::table('user')->where('email', $userEmail)->update(array('member_type' => $plan));