diff --git a/11.04/currencies/.gitignore b/11.04/currencies/.gitignore
new file mode 100644
index 0000000..e882070
--- /dev/null
+++ b/11.04/currencies/.gitignore
@@ -0,0 +1,3 @@
+.idea/
+vendor/
+.env
\ No newline at end of file
diff --git a/11.04/currencies/app/Controllers/HomeController.php b/11.04/currencies/app/Controllers/HomeController.php
new file mode 100644
index 0000000..b48bdcb
--- /dev/null
+++ b/11.04/currencies/app/Controllers/HomeController.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Controllers;
+
+use App\Services\CurrencyService;
+
+class HomeController
+{
+    public function index()
+    {
+        $service = new CurrencyService();
+        $currencies = $service->getAll();
+
+        return require_once __DIR__  . '/../Views/HomeIndexView.php';
+    }
+
+    public function update()
+    {
+        $service = new CurrencyService();
+        $service->updateAll();
+
+        return header('Location: /');
+    }
+}
\ No newline at end of file
diff --git a/11.04/currencies/app/Models/Collection.php b/11.04/currencies/app/Models/Collection.php
new file mode 100644
index 0000000..51bbdf7
--- /dev/null
+++ b/11.04/currencies/app/Models/Collection.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Models;
+
+abstract class Collection
+{
+    protected $model;
+    protected array $models = [];
+
+    public function __construct(array $models)
+    {
+        foreach ($models as $model) {
+            $this->add($this->model::create($model));
+        }
+    }
+
+    public function all(): array
+    {
+        return $this->models;
+    }
+
+    public function add(ModelInterface $model): void
+    {
+        $this->models[] = $model;
+    }
+
+    public function pluck(string $parameter): array
+    {
+        $parameters = [];
+
+        foreach ($this->all() as $model) {
+            $parameters[] = $model->$parameter();
+        }
+
+        return $parameters;
+    }
+
+}
\ No newline at end of file
diff --git a/11.04/currencies/app/Models/Currency.php b/11.04/currencies/app/Models/Currency.php
new file mode 100644
index 0000000..0d33b50
--- /dev/null
+++ b/11.04/currencies/app/Models/Currency.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Models;
+
+class Currency implements ModelInterface
+{
+    private string $currency;
+    private float $rate;
+
+    public function __construct(string $currency, float $rate)
+    {
+        $this->currency = $currency;
+        $this->rate = $rate;
+    }
+
+    public function currency(): string
+    {
+        return $this->currency;
+    }
+
+    public function rate(): float
+    {
+        return $this->rate;
+    }
+
+    public static function create(array $data): Currency
+    {
+        return new self(
+            $data['currency'],
+            (float) $data['rate']
+        );
+    }
+}
\ No newline at end of file
diff --git a/11.04/currencies/app/Models/CurrencyCollection.php b/11.04/currencies/app/Models/CurrencyCollection.php
new file mode 100644
index 0000000..88b9b3d
--- /dev/null
+++ b/11.04/currencies/app/Models/CurrencyCollection.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Models;
+
+class CurrencyCollection extends Collection
+{
+    protected $model = Currency::class;
+}
\ No newline at end of file
diff --git a/11.04/currencies/app/Models/ModelInterface.php b/11.04/currencies/app/Models/ModelInterface.php
new file mode 100644
index 0000000..eeb61f2
--- /dev/null
+++ b/11.04/currencies/app/Models/ModelInterface.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Models;
+
+interface ModelInterface
+{
+    public static function create(array $data): ModelInterface;
+}
\ No newline at end of file
diff --git a/11.04/currencies/app/Repositories/CurrencyRepository.php b/11.04/currencies/app/Repositories/CurrencyRepository.php
new file mode 100644
index 0000000..99b9bbb
--- /dev/null
+++ b/11.04/currencies/app/Repositories/CurrencyRepository.php
@@ -0,0 +1,88 @@
+<?php
+
+namespace App\Repositories;
+
+use App\Models\Currency;
+use App\Models\CurrencyCollection;
+use Sabre\Xml\Service;
+
+class CurrencyRepository
+{
+    public function getCurrencies(): CurrencyCollection
+    {
+        if ($this->isEmpty()) $this->createDB($this->getCurrenciesFromBank());
+
+        $query = query()
+            ->select('*')
+            ->from('currencies')
+            ->execute()
+            ->fetchAllAssociative();
+
+        return new CurrencyCollection($query);
+    }
+
+    public function updateCurrencies(): void
+    {
+        $currencies = $this->getCurrenciesFromBank();
+
+        /** @var Currency $currency */
+        foreach ($currencies->all() as $currency) {
+            query()
+                ->update('currencies')
+                ->set('rate', $currency->getRate())
+                ->where('currency = :currency')
+                ->setParameter('currency', $currency->getCurrency())
+                ->execute();
+        }
+    }
+    
+    private function getCurrenciesFromBank(): CurrencyCollection
+    {
+        $xml = file_get_contents('https://www.bank.lv/vk/ecb.xml');
+
+        $service = new Service();
+        $result = $service->parse($xml);
+
+        $currenciesRaw = $result[1]['value'];
+
+        $data = [];
+
+        foreach ($currenciesRaw as $currencyRaw) {
+            $data[] = [
+                'currency' => $currencyRaw['value'][0]['value'],
+                'rate' => (float) $currencyRaw['value'][1]['value']
+            ];
+        }
+
+        return new CurrencyCollection($data);
+    }
+    
+    private function isEmpty(): bool
+    {
+        $query = query()
+            ->select('*')
+            ->from('currencies')
+            ->execute()
+            ->fetchAllAssociative();
+        
+        return count($query) === 0;
+    }
+
+    private function createDB(CurrencyCollection $currencies): void
+    {
+        /** @var Currency $currency */
+        foreach ($currencies->all() as $currency) {
+            query()
+                ->insert('currencies')
+                ->values([
+                    'currency' => ':currency',
+                    'rate' => ':rate'
+                ])
+                ->setParameters([
+                    'currency' => $currency->getCurrency(),
+                    'rate' => $currency->getRate(),
+                ])
+                ->execute();
+        }
+    }
+}
\ No newline at end of file
diff --git a/11.04/currencies/app/Services/CurrencyService.php b/11.04/currencies/app/Services/CurrencyService.php
new file mode 100644
index 0000000..12e3147
--- /dev/null
+++ b/11.04/currencies/app/Services/CurrencyService.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Services;
+
+use App\Models\CurrencyCollection;
+use App\Repositories\CurrencyRepository;
+
+class CurrencyService
+{
+    public function getAll(): CurrencyCollection
+    {
+        $repository = new CurrencyRepository();
+
+        return $repository->getCurrencies();
+    }
+
+    public function updateAll(): void
+    {
+        $repository = new CurrencyRepository();
+
+        $repository->updateCurrencies();
+    }
+}
\ No newline at end of file
diff --git a/11.04/currencies/app/Views/FooterView.php b/11.04/currencies/app/Views/FooterView.php
new file mode 100644
index 0000000..a57a3db
--- /dev/null
+++ b/11.04/currencies/app/Views/FooterView.php
@@ -0,0 +1,3 @@
+
+</body>
+</html>
\ No newline at end of file
diff --git a/11.04/currencies/app/Views/HeaderView.php b/11.04/currencies/app/Views/HeaderView.php
new file mode 100644
index 0000000..8c58185
--- /dev/null
+++ b/11.04/currencies/app/Views/HeaderView.php
@@ -0,0 +1,5 @@
+<html>
+    <head>
+
+    </head>
+    <body>
diff --git a/11.04/currencies/app/Views/HomeIndexView.php b/11.04/currencies/app/Views/HomeIndexView.php
new file mode 100644
index 0000000..385f57a
--- /dev/null
+++ b/11.04/currencies/app/Views/HomeIndexView.php
@@ -0,0 +1,15 @@
+<?php require_once __DIR__  . '/../Views/HeaderView.php' ?>
+
+<h1>Currencies</h1>
+
+<form action="/currencies" method="POST">
+    <button type="submit">UPDATE CURRENCIES!</button>
+</form>
+
+<?php foreach ($currencies->all() as $currency): ?>
+    <h3>
+        <?php echo $currency->getCurrency() . ': ' . $currency->getRate(); ?>
+    </h3>
+<?php endforeach; ?>
+
+<?php require_once __DIR__  . '/../Views/FooterView.php' ?>
diff --git a/11.04/currencies/composer.json b/11.04/currencies/composer.json
new file mode 100644
index 0000000..deeb534
--- /dev/null
+++ b/11.04/currencies/composer.json
@@ -0,0 +1,18 @@
+{
+    "name": "kem4/codelex",
+    "autoload": {
+        "psr-4": {
+            "App\\": "app/"
+        }
+    },
+    "require": {
+        "nikic/fast-route": "^1.3",
+        "doctrine/dbal": "^2.12",
+        "vlucas/phpdotenv": "^5.2",
+        "respect/validation": "^2.1",
+        "imangazaliev/didom": "^1.16",
+        "sabre/xml": "^2.2",
+        "nesbot/carbon": "^2.41"
+    },
+    "minimum-stability": "stable"
+}
diff --git a/11.04/currencies/composer.lock b/11.04/currencies/composer.lock
new file mode 100644
index 0000000..d7e8f2a
--- /dev/null
+++ b/11.04/currencies/composer.lock
@@ -0,0 +1,1325 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "251e5b7a669af0ba6922bd4ab00607c8",
+    "packages": [
+        {
+            "name": "doctrine/cache",
+            "version": "1.10.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/cache.git",
+                "reference": "13e3381b25847283a91948d04640543941309727"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/cache/zipball/13e3381b25847283a91948d04640543941309727",
+                "reference": "13e3381b25847283a91948d04640543941309727",
+                "shasum": ""
+            },
+            "require": {
+                "php": "~7.1 || ^8.0"
+            },
+            "conflict": {
+                "doctrine/common": ">2.2,<2.4"
+            },
+            "require-dev": {
+                "alcaeus/mongo-php-adapter": "^1.1",
+                "doctrine/coding-standard": "^6.0",
+                "mongodb/mongodb": "^1.1",
+                "phpunit/phpunit": "^7.0",
+                "predis/predis": "~1.0"
+            },
+            "suggest": {
+                "alcaeus/mongo-php-adapter": "Required to use legacy MongoDB driver"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.9.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\Cache\\": "lib/Doctrine/Common/Cache"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                }
+            ],
+            "description": "PHP Doctrine Cache library is a popular cache implementation that supports many different drivers such as redis, memcache, apc, mongodb and others.",
+            "homepage": "https://www.doctrine-project.org/projects/cache.html",
+            "keywords": [
+                "abstraction",
+                "apcu",
+                "cache",
+                "caching",
+                "couchdb",
+                "memcached",
+                "php",
+                "redis",
+                "xcache"
+            ],
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Fcache",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-07-07T18:54:01+00:00"
+        },
+        {
+            "name": "doctrine/dbal",
+            "version": "2.12.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/dbal.git",
+                "reference": "c6d37b4c42aaa3c3ee175f05eca68056f4185646"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/dbal/zipball/c6d37b4c42aaa3c3ee175f05eca68056f4185646",
+                "reference": "c6d37b4c42aaa3c3ee175f05eca68056f4185646",
+                "shasum": ""
+            },
+            "require": {
+                "doctrine/cache": "^1.0",
+                "doctrine/event-manager": "^1.0",
+                "ext-pdo": "*",
+                "php": "^7.3 || ^8"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^8.1",
+                "jetbrains/phpstorm-stubs": "^2019.1",
+                "phpstan/phpstan": "^0.12.40",
+                "phpunit/phpunit": "^9.4",
+                "psalm/plugin-phpunit": "^0.10.0",
+                "symfony/console": "^2.0.5|^3.0|^4.0|^5.0",
+                "vimeo/psalm": "^3.17.2"
+            },
+            "suggest": {
+                "symfony/console": "For helpful console commands such as SQL execution and import of files."
+            },
+            "bin": [
+                "bin/doctrine-dbal"
+            ],
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "4.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\DBAL\\": "lib/Doctrine/DBAL"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                }
+            ],
+            "description": "Powerful PHP database abstraction layer (DBAL) with many features for database schema introspection and management.",
+            "homepage": "https://www.doctrine-project.org/projects/dbal.html",
+            "keywords": [
+                "abstraction",
+                "database",
+                "db2",
+                "dbal",
+                "mariadb",
+                "mssql",
+                "mysql",
+                "oci8",
+                "oracle",
+                "pdo",
+                "pgsql",
+                "postgresql",
+                "queryobject",
+                "sasql",
+                "sql",
+                "sqlanywhere",
+                "sqlite",
+                "sqlserver",
+                "sqlsrv"
+            ],
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Fdbal",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-22T17:26:24+00:00"
+        },
+        {
+            "name": "doctrine/event-manager",
+            "version": "1.1.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/doctrine/event-manager.git",
+                "reference": "41370af6a30faa9dc0368c4a6814d596e81aba7f"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/doctrine/event-manager/zipball/41370af6a30faa9dc0368c4a6814d596e81aba7f",
+                "reference": "41370af6a30faa9dc0368c4a6814d596e81aba7f",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.1 || ^8.0"
+            },
+            "conflict": {
+                "doctrine/common": "<2.9@dev"
+            },
+            "require-dev": {
+                "doctrine/coding-standard": "^6.0",
+                "phpunit/phpunit": "^7.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Doctrine\\Common\\": "lib/Doctrine/Common"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Guilherme Blanco",
+                    "email": "guilhermeblanco@gmail.com"
+                },
+                {
+                    "name": "Roman Borschel",
+                    "email": "roman@code-factory.org"
+                },
+                {
+                    "name": "Benjamin Eberlei",
+                    "email": "kontakt@beberlei.de"
+                },
+                {
+                    "name": "Jonathan Wage",
+                    "email": "jonwage@gmail.com"
+                },
+                {
+                    "name": "Johannes Schmitt",
+                    "email": "schmittjoh@gmail.com"
+                },
+                {
+                    "name": "Marco Pivetta",
+                    "email": "ocramius@gmail.com"
+                }
+            ],
+            "description": "The Doctrine Event Manager is a simple PHP event system that was built to be used with the various Doctrine projects.",
+            "homepage": "https://www.doctrine-project.org/projects/event-manager.html",
+            "keywords": [
+                "event",
+                "event dispatcher",
+                "event manager",
+                "event system",
+                "events"
+            ],
+            "funding": [
+                {
+                    "url": "https://www.doctrine-project.org/sponsorship.html",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://www.patreon.com/phpdoctrine",
+                    "type": "patreon"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/doctrine%2Fevent-manager",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-05-29T18:28:51+00:00"
+        },
+        {
+            "name": "graham-campbell/result-type",
+            "version": "v1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/GrahamCampbell/Result-Type.git",
+                "reference": "7e279d2cd5d7fbb156ce46daada972355cea27bb"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/GrahamCampbell/Result-Type/zipball/7e279d2cd5d7fbb156ce46daada972355cea27bb",
+                "reference": "7e279d2cd5d7fbb156ce46daada972355cea27bb",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.0|^8.0",
+                "phpoption/phpoption": "^1.7.3"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^6.5|^7.5|^8.5|^9.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "GrahamCampbell\\ResultType\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "graham@alt-three.com"
+                }
+            ],
+            "description": "An Implementation Of The Result Type",
+            "keywords": [
+                "Graham Campbell",
+                "GrahamCampbell",
+                "Result Type",
+                "Result-Type",
+                "result"
+            ],
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/graham-campbell/result-type",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-04-13T13:17:36+00:00"
+        },
+        {
+            "name": "imangazaliev/didom",
+            "version": "1.16",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/Imangazaliev/DiDOM.git",
+                "reference": "c2a8bd08679d2eec856782277267a48553322c7e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/Imangazaliev/DiDOM/zipball/c2a8bd08679d2eec856782277267a48553322c7e",
+                "reference": "c2a8bd08679d2eec856782277267a48553322c7e",
+                "shasum": ""
+            },
+            "require": {
+                "ext-dom": "*",
+                "ext-iconv": "*",
+                "php": ">=5.4"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "DiDom\\": "src/DiDom/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
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+            "name": "symfony/translation",
+            "version": "v5.1.8",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/translation.git",
+                "reference": "27980838fd261e04379fa91e94e81e662fe5a1b6"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/27980838fd261e04379fa91e94e81e662fe5a1b6",
+                "reference": "27980838fd261e04379fa91e94e81e662fe5a1b6",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.5",
+                "symfony/polyfill-mbstring": "~1.0",
+                "symfony/polyfill-php80": "^1.15",
+                "symfony/translation-contracts": "^2"
+            },
+            "conflict": {
+                "symfony/config": "<4.4",
+                "symfony/dependency-injection": "<5.0",
+                "symfony/http-kernel": "<5.0",
+                "symfony/twig-bundle": "<5.0",
+                "symfony/yaml": "<4.4"
+            },
+            "provide": {
+                "symfony/translation-implementation": "2.0"
+            },
+            "require-dev": {
+                "psr/log": "~1.0",
+                "symfony/config": "^4.4|^5.0",
+                "symfony/console": "^4.4|^5.0",
+                "symfony/dependency-injection": "^5.0",
+                "symfony/finder": "^4.4|^5.0",
+                "symfony/http-kernel": "^5.0",
+                "symfony/intl": "^4.4|^5.0",
+                "symfony/service-contracts": "^1.1.2|^2",
+                "symfony/yaml": "^4.4|^5.0"
+            },
+            "suggest": {
+                "psr/log-implementation": "To use logging capability in translator",
+                "symfony/config": "",
+                "symfony/yaml": ""
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Translation\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Translation Component",
+            "homepage": "https://symfony.com",
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-10-24T12:01:57+00:00"
+        },
+        {
+            "name": "symfony/translation-contracts",
+            "version": "v2.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/translation-contracts.git",
+                "reference": "e2eaa60b558f26a4b0354e1bbb25636efaaad105"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/translation-contracts/zipball/e2eaa60b558f26a4b0354e1bbb25636efaaad105",
+                "reference": "e2eaa60b558f26a4b0354e1bbb25636efaaad105",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.2.5"
+            },
+            "suggest": {
+                "symfony/translation-implementation": ""
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.3-dev"
+                },
+                "thanks": {
+                    "name": "symfony/contracts",
+                    "url": "https://github.com/symfony/contracts"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Contracts\\Translation\\": ""
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Generic abstractions related to translation",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "abstractions",
+                "contracts",
+                "decoupling",
+                "interfaces",
+                "interoperability",
+                "standards"
+            ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-09-28T13:05:58+00:00"
+        },
+        {
+            "name": "vlucas/phpdotenv",
+            "version": "v5.2.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/vlucas/phpdotenv.git",
+                "reference": "fba64139db67123c7a57072e5f8d3db10d160b66"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/fba64139db67123c7a57072e5f8d3db10d160b66",
+                "reference": "fba64139db67123c7a57072e5f8d3db10d160b66",
+                "shasum": ""
+            },
+            "require": {
+                "ext-pcre": "*",
+                "graham-campbell/result-type": "^1.0.1",
+                "php": "^7.1.3 || ^8.0",
+                "phpoption/phpoption": "^1.7.4",
+                "symfony/polyfill-ctype": "^1.17",
+                "symfony/polyfill-mbstring": "^1.17",
+                "symfony/polyfill-php80": "^1.17"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.4.1",
+                "ext-filter": "*",
+                "phpunit/phpunit": "^7.5.20 || ^8.5.2 || ^9.0"
+            },
+            "suggest": {
+                "ext-filter": "Required to use the boolean validator."
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "5.2-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Dotenv\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Graham Campbell",
+                    "email": "graham@alt-three.com",
+                    "homepage": "https://gjcampbell.co.uk/"
+                },
+                {
+                    "name": "Vance Lucas",
+                    "email": "vance@vancelucas.com",
+                    "homepage": "https://vancelucas.com/"
+                }
+            ],
+            "description": "Loads environment variables from `.env` to `getenv()`, `$_ENV` and `$_SERVER` automagically.",
+            "keywords": [
+                "dotenv",
+                "env",
+                "environment"
+            ],
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/vlucas/phpdotenv",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-09-14T15:57:31+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": [],
+    "plugin-api-version": "1.1.0"
+}
diff --git a/11.04/currencies/index.php b/11.04/currencies/index.php
new file mode 100644
index 0000000..10f458a
--- /dev/null
+++ b/11.04/currencies/index.php
@@ -0,0 +1,69 @@
+<?php
+
+use Doctrine\DBAL\Connection;
+use Doctrine\DBAL\DriverManager;
+use Doctrine\DBAL\Query\QueryBuilder;
+
+require_once 'vendor/autoload.php';
+
+session_start();
+
+$dotenv = Dotenv\Dotenv::createImmutable(__DIR__);
+$dotenv->load();
+
+function database(): Connection
+{
+    $connectionParams = [
+        'dbname' => $_ENV['DB_DATABASE'],
+        'user' => $_ENV['DB_USER'],
+        'password' => $_ENV['DB_PASSWORD'],
+        'host' => $_ENV['DB_HOST'],
+        'driver' => 'pdo_mysql',
+    ];
+
+    $connection = DriverManager::getConnection($connectionParams);
+    $connection->connect();
+
+    return $connection;
+}
+
+function query(): QueryBuilder
+{
+    return database()->createQueryBuilder();
+}
+
+$dispatcher = FastRoute\simpleDispatcher(function(FastRoute\RouteCollector $r) {
+    $namespace = '\App\Controllers\\';
+
+    $r->addRoute('GET', '/', $namespace . 'HomeController@index');
+    $r->addRoute('POST', '/currencies', $namespace . 'HomeController@update');
+
+});
+
+// Fetch method and URI from somewhere
+$httpMethod = $_POST['_method'] ?? $_SERVER['REQUEST_METHOD'];
+$uri = $_SERVER['REQUEST_URI'];
+
+// Strip query string (?foo=bar) and decode URI
+if (false !== $pos = strpos($uri, '?')) {
+    $uri = substr($uri, 0, $pos);
+}
+$uri = rawurldecode($uri);
+
+$routeInfo = $dispatcher->dispatch($httpMethod, $uri);
+switch ($routeInfo[0]) {
+    case FastRoute\Dispatcher::NOT_FOUND:
+        echo '404 PAGE NOT FOUND';
+        break;
+    case FastRoute\Dispatcher::METHOD_NOT_ALLOWED:
+        $allowedMethods = $routeInfo[1];
+        echo 'METHOD NOT ALLOWED';
+        break;
+    case FastRoute\Dispatcher::FOUND:
+        [$controller, $method] = explode('@', $routeInfo[1]);
+        $vars = $routeInfo[2];
+
+        (new $controller)->$method($vars);
+
+        break;
+}
\ No newline at end of file