when query builder laravel code example

Example 1: laravel wher in

$users = DB::table('users')
                    ->whereIn('id', [1, 2, 3])
                    ->get();

Example 2: DB::table('users')->get();

$users = DB::table('users')->get();

Example 3: laravel query builder select first

$user = DB::table('users')->where('name', 'John')->first();

var_dump($user->name);

Example 4: query builder laravel

use Illuminate\Database\Eloquent\Builder;

public function scopeFakePersons(Builder $query): Builder
{
  return $query->where('is_fake', 1);
}

Example 5: laravel having

$users = DB::table('users')
                ->groupBy('account_id')
                ->having('account_id', '>', 100)
                ->get();