PHP

create if not exist laravel

if(!Numbers::where('country',$country)->exists()){
    Numbers::Create([
      'country'    => $country
      ]);
}

WHERE NOT EXISTS laravel

$repairJobs = RepairJob::with('repairJobPhoto', 'city', 'vehicle')
              ->where('active', '=', 'Y')
              ->whereNotExists(function($query)
                {
                    $query->select(DB::raw(1))
                          ->from('DismissedRequest')
                          ->whereRaw('RepairJob.id = DismissedRequest.id');
                })->get();