Kenya Counties Laravel Seeder

CountiesSeeder.php

<?php

namespace Database\Seeders;

use Illuminate\Database\Seeder;

class CountiesSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        $counties = [
            1 => "Mombasa",
            2 => "Kwale",
            3 => "Kilifi",
            4 => "Tana River",
            5 => "Lamu",
            6 => "Taita/Taveta",
            7 => "Garissa",
            8 => "Wajir",
            9 => "Mandera",
            10 => "Marsabit",
            11 => "Isiolo",
            12 => "Meru",
            13 => "Tharaka-Nithi",
            14 => "Embu",
            15 => "Kitui",
            16 => "Machakos",
            17 => "Makueni",
            18 => "Nyandarua",
            19 => "Nyeri",
            20 => "Kirinyaga",
            21 => "Murang'a",
            22 => "Kiambu",
            23 => "Turkana",
            24 => "West Pokot",
            25 => "Samburu",
            26 => "Trans Nzoia",
            27 => "Uasin Gishu",
            28 => "Elgeyo/Marakwet",
            29 => "Nandi",
            30 => "Baringo",
            31 => "Laikipia",
            32 => "Nakuru",
            33 => "Narok",
            34 => "Kajiado",
            35 => "Kericho",
            36 => "Bomet",
            37 => "Kakamega",
            38 => "Vihiga",
            39 => "Bungoma",
            40 => "Busia",
            41 => "Siaya",
            42 => "Kisumu",
            43 => "Homa Bay",
            44 => "Migori",
            45 => "Kisii",
            46 => "Nyamira",
            47 => "Nairobi City",
        ];
        $kenya = \DB::table('countries')->where("code","=","KE")->first();
        if ($kenya) {
            $kenyaId = $kenya->id;
        } else {
            $kenyaId = null;
        }
        $countiesData = collect($counties)->map(function ($county, $key) use($kenyaId) {return [
            "id" => $key,
            "name" => $county,
            "country_id" => $kenyaId,
            "created_at" => now(),
            "updated_at" => now()
        ];});
        \Schema::disableForeignKeyConstraints();
        \DB::table('counties')->delete();
        \DB::table('counties')->truncate();
        \DB::table('counties')->insert($countiesData->toArray());
        \Schema::enableForeignKeyConstraints();
    }
}