where or in laravel eloquent code example

Example 1: laravel eloquent remove from db

$res=User::where('id',$id)->delete();

Example 2: laravel eloquent remove from db

public function destroy($id){

  $res=User::find($id)->delete();
  if ($res){
    $data=[
    'status'=>'1',
    'msg'=>'success'
  ];
  }else{
    $data=[
    'status'=>'0',
    'msg'=>'fail'
  ];
  return response()->json($data);

Example 3: laravel find query

return Destination::orderByDesc(
    Flight::select('arrived_at')
        ->whereColumn('destination_id', 'destinations.id')
        ->orderBy('arrived_at', 'desc')
        ->limit(1)
)->get();

Example 4: laravel find query

foreach ($flights as $flight) {
    echo $flight->name;
}