'int', 'province_id' => 'int', 'status' => 'int' ]; protected $fillable = [ 'county_id', 'province_id', 'name', 'status' ]; public function country() { return $this->belongsTo(Country::class, 'county_id'); } public function province() { return $this->belongsTo(Province::class); } public function airports() { return $this->hasMany(Airport::class); } public function destinationTours() { return $this->hasMany(Tour::class, 'destination_city_id'); } public function originTours() { return $this->hasMany(Tour::class, 'origin_city_id'); } public function users() { return $this->hasMany(User::class); } }