firefly-iii/database/seeds/TransactionCurrencySeeder.php

<?php

use Illuminate\Database\Seeder;
use FireflyIII\Models\TransactionCurrency;
/**
 * Class TransactionCurrencySeeder
 */
class TransactionCurrencySeeder extends Seeder
{
    public function run()
    {
        DB::table('transaction_currencies')->delete();

        TransactionCurrency::create(['code' => 'EUR','name' => 'Euro','symbol' => '&#8364;']);
        TransactionCurrency::create(['code' => 'USD','name' => 'US Dollar','symbol' => '$']);
        TransactionCurrency::create(['code' => 'HUF','name' => 'Hungarian forint','symbol' => 'Ft']);
    }

}