Add 'FI' to Payment Provider

src/Faker/Provider/Payment.php

@@ -76,6 +76,7 @@ class Payment extends Base
         'DO' => array(array('c', 4),    array('n', 20)),
         'EE' => array(array('n', 2),    array('n', 2),  array('n', 11), array('n', 1)),
         'ES' => array(array('n', 4),    array('n', 4),  array('n', 1),  array('n', 1),  array('n', 10)),
+        'FI' => array(array('n', 6),    array('n', 7),  array('n', 1)),
         'FR' => array(array('n', 5),    array('n', 5),  array('c', 11), array('n', 2)),
         'GB' => array(array('a', 4),    array('n', 6),  array('n', 8)),
         'GE' => array(array('a', 2),    array('n', 16)),

src/Faker/Provider/fi_FI/Payment.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Faker\Provider\fi_FI;
+
+class Payment extends \Faker\Provider\Payment
+{
+    /**
+     * International Bank Account Number (IBAN)
+     * @link http://en.wikipedia.org/wiki/International_Bank_Account_Number
+     * @param  string  $prefix      for generating bank account number of a specific bank
+     * @param  string  $countryCode ISO 3166-1 alpha-2 country code
+     * @param  integer $length      total length without country code and 2 check digits
+     * @return string
+     */
+    public static function bankAccountNumber($prefix = '', $countryCode = 'FI', $length = null)
+    {
+        return static::iban($countryCode, $prefix, $length);
+    }
+}

test/Faker/Provider/PaymentTest.php

@@ -108,6 +108,7 @@ public function testRandomCard()
         'DO' => '/^DO\d{2}[A-Z0-9]{4}\d{20}$/',
         'EE' => '/^EE\d{2}\d{2}\d{2}\d{11}\d{1}$/',
         'ES' => '/^ES\d{2}\d{4}\d{4}\d{1}\d{1}\d{10}$/',
+        'FI' => '/^FI\d{2}\d{6}\d{7}\d{1}$/',
         'FR' => '/^FR\d{2}\d{5}\d{5}[A-Z0-9]{11}\d{2}$/',
         'GB' => '/^GB\d{2}[A-Z]{4}\d{6}\d{8}$/',
         'GE' => '/^GE\d{2}[A-Z]{2}\d{16}$/',