Illuminate\Database\Eloquent\Model::reguard PHP Method

    public static function reguard()
    {
        static::$unguarded = false;
    }

 /**
  * Run the database seeds.
  *
  * @return void
  */
 public function run()
 {
     Model::unguard();
     // DB::table('students')->delete();
     $this->call(StudentsSeeder::class);
     Model::reguard();
 }