diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..cc73672
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,12 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+indent_style = space
+indent_size = 4
+trim_trailing_whitespace = true
+
+[*.{js,yml}]
+indent_size = 2
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1df7c10
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+vendor
+bin
+coverage
+*.log
+*.phar
+*.cache
+*.lock
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..cbe141a
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,48 @@
+{
+    "name": "codin/config",
+    "description": "Basic config file load supports PHP ans Json files",
+    "license": "Apache-2.0",
+    "type": "library",
+    "minimum-stability": "dev",
+    "prefer-stable": true,
+    "authors": [
+        {
+            "name": "Kieron",
+            "email": "hello@madebykieron.co.uk",
+            "homepage": "http://madebykieron.co.uk",
+            "role": "Developer"
+        }
+    ],
+    "require": {
+        "php": ">=7.3"
+    },
+    "require-dev": {
+        "friendsofphp/php-cs-fixer": "@stable",
+        "phpspec/phpspec": "@stable",
+        "phpstan/phpstan": "@stable"
+    },
+    "autoload": {
+        "psr-4": {
+            "Codin\\Config\\": "src/"
+        }
+    },
+    "config": {
+        "preferred-install": "dist",
+        "sort-packages": true,
+        "bin-dir": "bin"
+    },
+    "scripts": {
+        "psr": [
+            "./bin/php-cs-fixer fix . --allow-risky=yes --rules=@PSR2,no_unused_imports,ordered_imports,ordered_interfaces,single_quote,trailing_comma_in_multiline_array"
+        ],
+        "test": [
+            "phpstan analyse",
+            "phpspec run"
+        ],
+        "uninstall": [
+            "rm -rf ./bin",
+            "rm -rf ./vendor",
+            "rm ./composer.lock"
+        ]
+    }
+}
diff --git a/phpspec.yml b/phpspec.yml
new file mode 100644
index 0000000..cb7f251
--- /dev/null
+++ b/phpspec.yml
@@ -0,0 +1,6 @@
+formatter.name: pretty
+stop_on_failure: true
+code_generation: false
+suites:
+    default:
+        src_path: ./src
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000..d54acba
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,8 @@
+parameters:
+    level: max
+    paths:
+        - %currentWorkingDirectory%/src
+    bootstrapFiles:
+        - %currentWorkingDirectory%/vendor/autoload.php
+    inferPrivatePropertyTypeFromConstructor: true
+    checkMissingIterableValueType: false
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..7bffe2c
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,19 @@
+# Config
+
+Lightweight configuration file loader that supports PHP and JSON files
+
+```shell
+$ cat path/to/config/foos.php
+<?php return ['foo' => 'bar'];
+
+$ cat path/to/config/bars.json
+{"bar":"baz"}
+```
+
+```php
+$config = Codin\Config\Config::create('path/to/config');
+$config->has('foos.foo'); // true
+$config->get('foos.foo'); // "bar"
+$config->has('bars'); // true
+$config->get('bars'); // ['bar' => 'baz']
+```
diff --git a/spec/Codin/Config/ConfigSpec.php b/spec/Codin/Config/ConfigSpec.php
new file mode 100644
index 0000000..540995a
--- /dev/null
+++ b/spec/Codin/Config/ConfigSpec.php
@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace spec\Codin\Config;
+
+use Codin\Config\ConfigAccessInterface;
+use PhpSpec\ObjectBehavior;
+
+class ConfigSpec extends ObjectBehavior
+{
+    public function it_should_check_items(ConfigAccessInterface $loader)
+    {
+        $this->beConstructedWith($loader);
+        $loader->has('foo')->shouldBeCalled()->willReturn(true);
+        $this->has('foo')->shouldReturn(true);
+    }
+
+    public function it_should_get_items(ConfigAccessInterface $loader)
+    {
+        $this->beConstructedWith($loader);
+        $loader->get('foo', null)->shouldBeCalled()->willReturn('bar');
+        $this->get('foo')->shouldReturn('bar');
+    }
+}
diff --git a/spec/Codin/Config/Loaders/ChainedLoaderSpec.php b/spec/Codin/Config/Loaders/ChainedLoaderSpec.php
new file mode 100644
index 0000000..96bbbba
--- /dev/null
+++ b/spec/Codin/Config/Loaders/ChainedLoaderSpec.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace spec\Codin\Config\Loaders;
+
+use Codin\Config\ConfigAccessInterface;
+use PhpSpec\ObjectBehavior;
+
+class ChainedLoaderSpec extends ObjectBehavior
+{
+    public function it_should_check_items(ConfigAccessInterface $loader)
+    {
+        $this->beConstructedWith([$loader]);
+        $loader->has('foo')->shouldBeCalled()->willReturn(true);
+        $this->has('foo')->shouldReturn(true);
+    }
+
+    public function it_should_get_items(ConfigAccessInterface $loader)
+    {
+        $this->beConstructedWith([$loader]);
+        $loader->has('foo')->shouldBeCalled()->willReturn(true);
+        $loader->get('foo', null)->shouldBeCalled()->willReturn('bar');
+        $this->get('foo')->shouldReturn('bar');
+    }
+}
diff --git a/spec/Codin/Config/Loaders/JsonFileLoaderSpec.php b/spec/Codin/Config/Loaders/JsonFileLoaderSpec.php
new file mode 100644
index 0000000..2f25ccb
--- /dev/null
+++ b/spec/Codin/Config/Loaders/JsonFileLoaderSpec.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace spec\Codin\Config\Loaders;
+
+use PhpSpec\ObjectBehavior;
+
+class JsonFileLoaderSpec extends ObjectBehavior
+{
+    public function it_should_check_items()
+    {
+        $path = sys_get_temp_dir();
+        $name = sprintf('phpspec-test-%u', random_int(1, PHP_INT_MAX));
+        $filepath = sprintf('%s/%s.json', $path, $name);
+
+        file_put_contents($filepath, '{"foo":"bar"}');
+
+        $this->beConstructedWith($path);
+        $this->has($name)->shouldReturn(true);
+        $this->has(sprintf('%s.%s', $name, 'foo'))->shouldReturn(true);
+
+        unlink($filepath);
+    }
+
+    public function it_should_get_items()
+    {
+        $path = sys_get_temp_dir();
+        $name = sprintf('phpspec-test-%u', random_int(1, PHP_INT_MAX));
+        $filepath = sprintf('%s/%s.json', $path, $name);
+
+        file_put_contents($filepath, '{"foo":"bar"}');
+
+        $this->beConstructedWith($path);
+        $this->get($name)->shouldReturn(['foo' => 'bar']);
+
+        unlink($filepath);
+    }
+}
diff --git a/spec/Codin/Config/Loaders/PhpFileLoaderSpec.php b/spec/Codin/Config/Loaders/PhpFileLoaderSpec.php
new file mode 100644
index 0000000..ddced08
--- /dev/null
+++ b/spec/Codin/Config/Loaders/PhpFileLoaderSpec.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace spec\Codin\Config\Loaders;
+
+use PhpSpec\ObjectBehavior;
+
+class PhpFileLoaderSpec extends ObjectBehavior
+{
+    public function it_should_check_items()
+    {
+        $path = sys_get_temp_dir();
+        $name = sprintf('phpspec-test-%u', random_int(1, PHP_INT_MAX));
+        $filepath = sprintf('%s/%s.php', $path, $name);
+
+        file_put_contents($filepath, "<?php return ['foo' => 'bar'];");
+
+        $this->beConstructedWith($path);
+        $this->has($name)->shouldReturn(true);
+        $this->has(sprintf('%s.%s', $name, 'foo'))->shouldReturn(true);
+
+        unlink($filepath);
+    }
+
+    public function it_should_get_items()
+    {
+        $path = sys_get_temp_dir();
+        $name = sprintf('phpspec-test-%u', random_int(1, PHP_INT_MAX));
+        $filepath = sprintf('%s/%s.php', $path, $name);
+
+        file_put_contents($filepath, "<?php return ['foo' => 'bar'];");
+
+        $this->beConstructedWith($path);
+        $this->get($name)->shouldReturn(['foo' => 'bar']);
+
+        unlink($filepath);
+    }
+}
diff --git a/src/Config.php b/src/Config.php
new file mode 100644
index 0000000..0573c22
--- /dev/null
+++ b/src/Config.php
@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Codin\Config;
+
+class Config implements ConfigAccessInterface
+{
+    /**
+     * @var ConfigAccessInterface
+     */
+    protected $loader;
+
+    final public function __construct(ConfigAccessInterface $loader)
+    {
+        $this->loader = $loader;
+    }
+
+    public static function create(string $path): ConfigAccessInterface
+    {
+        return new static(new Loaders\ChainedLoader([
+            new Loaders\JsonFileLoader($path),
+            new Loaders\PhpFileLoader($path),
+        ]));
+    }
+
+    public function has(string $key): bool
+    {
+        return $this->loader->has($key);
+    }
+
+    public function get(string $key, $default = null)
+    {
+        return $this->loader->get($key, $default);
+    }
+}
diff --git a/src/ConfigAccessInterface.php b/src/ConfigAccessInterface.php
new file mode 100644
index 0000000..a5f6225
--- /dev/null
+++ b/src/ConfigAccessInterface.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Codin\Config;
+
+interface ConfigAccessInterface
+{
+    /**
+     * Key exists in config file
+     */
+    public function has(string $key): bool;
+
+    /**
+     * Find key from config file
+     *
+     * @param string $key
+     * @param mixed $default
+     * @return mixed
+     */
+    public function get(string $key, $default = null);
+}
diff --git a/src/ConfigException.php b/src/ConfigException.php
new file mode 100644
index 0000000..9c73b3b
--- /dev/null
+++ b/src/ConfigException.php
@@ -0,0 +1,9 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Codin\Config;
+
+class ConfigException extends \ErrorException
+{
+}
diff --git a/src/Loaders/AbstractFileLoader.php b/src/Loaders/AbstractFileLoader.php
new file mode 100644
index 0000000..055a598
--- /dev/null
+++ b/src/Loaders/AbstractFileLoader.php
@@ -0,0 +1,125 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Codin\Config\Loaders;
+
+use Codin\Config\ConfigAccessInterface;
+use Codin\Config\ConfigException;
+
+abstract class AbstractFileLoader implements ConfigAccessInterface
+{
+    /**
+     * @var string|null
+     */
+    protected $path;
+
+    /**
+     * @var string
+     */
+    protected $extension;
+
+    public function __construct(string $path)
+    {
+        $this->path = \realpath($path) ?: null;
+
+        if (null === $this->path) {
+            throw new ConfigException(sprintf('config loader path not found "%s"', $path));
+        }
+    }
+
+    /**
+     * Get the path of a config file
+     */
+    protected function filepath(string $name): ?string
+    {
+        $filepath = $this->path . '/' . $name . $this->extension;
+
+        if (!\is_file($filepath)) {
+            return null;
+        }
+
+        return $filepath;
+    }
+
+    /**
+     * Load file contents
+     */
+    abstract protected function load(string $file): ?array;
+
+    /**
+     * Split key into parts, the first part will always be the file name
+     */
+    protected function parts(string $name): array
+    {
+        if (\strlen($name) === 0) {
+            throw new ConfigException(
+                'Parameter name cannot be empty'
+            );
+        }
+
+        $keys = \explode('.', $name);
+
+        if (empty($keys)) {
+            throw new ConfigException(
+                'Failed to extract keys from parameter name'
+            );
+        }
+
+        $file = \array_shift($keys);
+
+        if (!$file) {
+            throw new ConfigException(
+                'Failed to shift first key from keys'
+            );
+        }
+
+        return [$file, $keys];
+    }
+
+    /**
+     * {@inherit}
+     */
+    public function has(string $key): bool
+    {
+        [$file, $keys] = $this->parts($key);
+
+        $config = $this->load($file);
+
+        if (null === $config) {
+            return false;
+        }
+
+        foreach ($keys as $key) {
+            if (!\array_key_exists($key, $config)) {
+                return false;
+            }
+            $config = $config[$key];
+        }
+
+        return true;
+    }
+
+    /**
+     * {@inherit}
+     */
+    public function get(string $key, $default = null)
+    {
+        [$file, $keys] = $this->parts($key);
+
+        $config = $this->load($file);
+
+        if (null === $config) {
+            return $default;
+        }
+
+        foreach ($keys as $key) {
+            if (!\array_key_exists($key, $config)) {
+                return $default;
+            }
+            $config = $config[$key];
+        }
+
+        return $config;
+    }
+}
diff --git a/src/Loaders/ChainedLoader.php b/src/Loaders/ChainedLoader.php
new file mode 100644
index 0000000..8e4f11b
--- /dev/null
+++ b/src/Loaders/ChainedLoader.php
@@ -0,0 +1,42 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Codin\Config\Loaders;
+
+use Codin\Config\ConfigAccessInterface;
+
+class ChainedLoader implements ConfigAccessInterface
+{
+    /**
+     * @var array<ConfigAccessInterface>
+     */
+    protected $loaders;
+
+    public function __construct(array $loaders)
+    {
+        $this->loaders = $loaders;
+    }
+
+    /**
+     * {@inherit}
+     */
+    public function has(string $key): bool
+    {
+        $reduce = static function (bool $carry, ConfigAccessInterface $loader) use ($key) {
+            return $loader->has($key) ? true : $carry;
+        };
+        return \array_reduce($this->loaders, $reduce, false);
+    }
+
+    /**
+     * {@inherit}
+     */
+    public function get(string $key, $default = null)
+    {
+        $reduce = static function ($carry, ConfigAccessInterface $loader) use ($key) {
+            return $loader->has($key) ? $loader->get($key) : $carry;
+        };
+        return \array_reduce($this->loaders, $reduce, $default);
+    }
+}
diff --git a/src/Loaders/JsonFileLoader.php b/src/Loaders/JsonFileLoader.php
new file mode 100644
index 0000000..7439ca3
--- /dev/null
+++ b/src/Loaders/JsonFileLoader.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Codin\Config\Loaders;
+
+use Codin\Config\ConfigException;
+
+class JsonFileLoader extends AbstractFileLoader
+{
+    /**
+     * @var string
+     */
+    protected $extension = '.json';
+
+    /**
+     * {@inherit}
+     */
+    protected function load(string $file): ?array
+    {
+        $path = $this->filepath($file);
+
+        if (null === $path) {
+            return null;
+        }
+
+        $jsonStr = \file_get_contents($path);
+
+        if (false === $jsonStr) {
+            throw new ConfigException(
+                'Failed to read file: '.$path
+            );
+        }
+
+        $data = \json_decode($jsonStr, true);
+
+        if (null === $data) {
+            throw new ConfigException(
+                'json_decode error in '.$path.': ' . \json_last_error_msg()
+            );
+        }
+
+        return $data;
+    }
+}
diff --git a/src/Loaders/PhpFileLoader.php b/src/Loaders/PhpFileLoader.php
new file mode 100644
index 0000000..765ec11
--- /dev/null
+++ b/src/Loaders/PhpFileLoader.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Codin\Config\Loaders;
+
+class PhpFileLoader extends AbstractFileLoader
+{
+    /**
+     * @var string
+     */
+    protected $extension = '.php';
+
+    /**
+     * {@inherit}
+     */
+    protected function load(string $file): ?array
+    {
+        $path = $this->filepath($file);
+
+        if (null === $path) {
+            return null;
+        }
+
+        return require $path;
+    }
+}