invoiceninja/database/migrations/2022_01_02_022421_add_slovak_language.php

<?php

use App\Models\Language;
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration {
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        $slovak = ['id' => 34, 'name' => 'Slovak', 'locale' => 'sk'];

        Language::unguard();
        Language::create($slovak);
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        //
    }
};