diff --git a/.gitignore b/.gitignore
index d36b05e..12bb51f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ static
 /vendor
 /build
 .phpunit.result.cache
+.php_cs.cache
 
 /prettier.config.js
 /.eslintrc.js
diff --git a/.php_cs b/.php_cs
new file mode 100644
index 0000000..3c9f841
--- /dev/null
+++ b/.php_cs
@@ -0,0 +1,14 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->exclude('vendor')
+    ->in(__DIR__)
+;
+
+return PhpCsFixer\Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        'array_syntax' => ['syntax' => 'short'],
+    ])
+    ->setFinder($finder)
+;
diff --git a/composer.json b/composer.json
index f3af1b4..eb7e6ac 100644
--- a/composer.json
+++ b/composer.json
@@ -46,6 +46,8 @@
         "mikey179/vfsstream": "^1.6"
     },
     "scripts": {
-        "test": "build/phpunit"
+        "test": "build/phpunit",
+        "lint": "build/php-cs-fixer fix --config=.php_cs --dry-run -v",
+        "lint:fix": "build/php-cs-fixer fix --config=.php_cs"
     }
 }
diff --git a/libs/Cache.php b/libs/Cache.php
index 4fc7eb3..072833f 100644
--- a/libs/Cache.php
+++ b/libs/Cache.php
@@ -5,7 +5,7 @@ use Todaymade\Daux\Daux;
 
 class Cache
 {
-    static $printed = false;
+    public static $printed = false;
 
     public static function getDirectory(): string
     {
@@ -109,7 +109,6 @@ class Cache
                     } else {
                         unlink($dir . "/" . $object);
                     }
-
                 }
             }
             rmdir($dir);
diff --git a/libs/Config.php b/libs/Config.php
index eaa92b2..adba9b1 100644
--- a/libs/Config.php
+++ b/libs/Config.php
@@ -8,91 +8,113 @@ use Todaymade\Daux\Format\Confluence\Config as ConfluenceConfig;
 
 class Config extends BaseConfig
 {
-    public function getTitle() {
+    public function getTitle()
+    {
         return $this->getValue('title');
     }
 
-    public function hasAuthor(): bool {
+    public function hasAuthor(): bool
+    {
         return $this->hasValue('author');
     }
 
-    public function getAuthor() {
+    public function getAuthor()
+    {
         return $this->getValue('author');
     }
 
-    public function hasTagline(): bool {
+    public function hasTagline(): bool
+    {
         return $this->hasValue('tagline');
     }
 
-    public function getTagline() {
+    public function getTagline()
+    {
         return $this->getValue('tagline');
     }
 
-    public function getCurrentPage() {
+    public function getCurrentPage()
+    {
         return $this->getValue('current_page');
     }
 
-    public function setCurrentPage(Content $entry) {
+    public function setCurrentPage(Content $entry)
+    {
         $this->setValue('current_page', $entry);
     }
 
-    public function getDocumentationDirectory() {
+    public function getDocumentationDirectory()
+    {
         return $this->getValue('docs_directory');
     }
 
-    public function getThemesDirectory() {
+    public function getThemesDirectory()
+    {
         return $this->getValue('themes_directory');
     }
 
-    public function getThemesPath() {
+    public function getThemesPath()
+    {
         return $this->getValue('themes_path');
     }
 
-    public function getFormat() {
+    public function getFormat()
+    {
         return $this->getValue('format');
     }
 
-    public function hasTimezone(): bool {
+    public function hasTimezone(): bool
+    {
         return isset($this['timezone']);
     }
 
-    public function getTimezone() {
+    public function getTimezone()
+    {
         return $this->getValue('timezone');
     }
 
-    public function getTree() {
+    public function getTree()
+    {
         return $this->getValue('tree');
     }
 
-    public function setTree($tree) {
+    public function setTree($tree)
+    {
         $this->setValue('tree', $tree);
     }
 
-    public function isMultilanguage(): bool {
+    public function isMultilanguage(): bool
+    {
         return $this->hasValue('languages') && !empty($this->getValue('languages'));
     }
 
-    public function getLanguages(): array {
+    public function getLanguages(): array
+    {
         return $this->getValue('languages');
     }
 
-    public function getLanguage(): string {
+    public function getLanguage(): string
+    {
         return $this->getValue('language');
     }
 
-    public function getMode() {
+    public function getMode()
+    {
         return $this->getValue('mode');
     }
 
-    public function isLive() {
+    public function isLive()
+    {
         return $this->getValue('mode') == Daux::LIVE_MODE;
     }
 
-    public function isStatic() {
+    public function isStatic()
+    {
         return $this->getValue('mode') == Daux::STATIC_MODE;
     }
 
-    public function shouldInheritIndex() {
+    public function shouldInheritIndex()
+    {
         // As the global configuration is always present, we
         // need to test for the existence of the legacy value
         // first. Then use the current value.
@@ -103,35 +125,43 @@ class Config extends BaseConfig
         return $this['html']['inherit_index'];
     }
 
-    public function getIndexKey() {
+    public function getIndexKey()
+    {
         return $this->getValue('mode') == Daux::STATIC_MODE ? 'index.html' : 'index';
     }
 
-    public function getProcessor() {
+    public function getProcessor()
+    {
         return $this->getValue('processor');
     }
 
-    public function getConfluenceConfiguration(): ConfluenceConfig {
+    public function getConfluenceConfiguration(): ConfluenceConfig
+    {
         return new ConfluenceConfig($this->hasValue('confluence') ? $this->getValue('confluence') : []);
     }
 
-    public function getHTML(): HTMLConfig {
+    public function getHTML(): HTMLConfig
+    {
         return new HTMLConfig($this->hasValue('html') ? $this->getValue('html') : []);
     }
 
-    public function getTheme(): ?Theme {
+    public function getTheme(): ?Theme
+    {
         return $this->hasValue('theme') ? new Theme($this->getValue('theme')) : null;
     }
 
-    public function getValidContentExtensions() {
+    public function getValidContentExtensions()
+    {
         return $this->getValue('valid_content_extensions');
     }
 
-    public function setValidContentExtensions(array $value) {
+    public function setValidContentExtensions(array $value)
+    {
         $this->setValue('valid_content_extensions', $value);
     }
 
-    public function canCache() {
+    public function canCache()
+    {
         if ($this->hasValue('cache')) {
             return $this->getValue('cache');
         }
@@ -139,7 +169,8 @@ class Config extends BaseConfig
         return false;
     }
 
-    public function getCacheKey() {
+    public function getCacheKey()
+    {
         $cloned = [];
         foreach ($this as $key => $value) {
             $cloned[$key] = ($value instanceof Entry) ? $value->dump() : $value;
@@ -148,40 +179,48 @@ class Config extends BaseConfig
         return sha1(json_encode($cloned));
     }
 
-    public function hasTranslationKey($language, $key): bool {
+    public function hasTranslationKey($language, $key): bool
+    {
         return array_key_exists($language, $this['strings']) && array_key_exists($key, $this['strings'][$language]);
     }
 
-    public function getTranslationKey($language, $key) {
+    public function getTranslationKey($language, $key)
+    {
         return $this['strings'][$language][$key];
     }
 
-    public function hasImage(): bool {
+    public function hasImage(): bool
+    {
         return $this->hasValue('image');
     }
 
-    public function getImage() {
+    public function getImage()
+    {
         return $this->getValue('image');
     }
 
-    public function setImage($value) {
+    public function setImage($value)
+    {
         $this->setValue('image', $value);
     }
 
-    public function getLocalBase() {
+    public function getLocalBase()
+    {
         return $this->getValue('local_base');
     }
 
-    public function getTemplates() {
+    public function getTemplates()
+    {
         return $this->getValue('templates');
     }
 
-    public function getBaseUrl() {
+    public function getBaseUrl()
+    {
         return $this->getValue('base_url');
     }
 
-    public function getBasePage() {
-
+    public function getBasePage()
+    {
         if ($this->isLive()) {
             $value = '//' . $this->getBaseUrl();
             if (!$this['live']['clean_urls']) {
@@ -193,59 +232,73 @@ class Config extends BaseConfig
         return $this->getBaseUrl();
     }
 
-    public function hasEntryPage(): bool {
+    public function hasEntryPage(): bool
+    {
         return $this->hasValue('entry_page') && !empty($this->getValue('entry_page'));
     }
 
-    public function getEntryPage() {
+    public function getEntryPage()
+    {
         return $this->getValue('entry_page');
     }
 
-    public function setEntryPage($value) {
+    public function setEntryPage($value)
+    {
         $this->setValue('entry_page', $value);
     }
 
-    public function hasRequest(): bool {
+    public function hasRequest(): bool
+    {
         return $this->hasValue('request') && !empty($this->getValue('request'));
     }
 
-    public function getRequest() {
+    public function getRequest()
+    {
         return $this->getValue('request');
     }
 
-    public function setRequest($value) {
+    public function setRequest($value)
+    {
         $this->setValue('request', $value);
     }
 
-    public function getIndex() {
+    public function getIndex()
+    {
         return $this->getValue('index');
     }
 
-    public function setIndex($value) {
+    public function setIndex($value)
+    {
         $this->setValue('index', $value);
     }
 
-    public function hasProcessorInstance() {
+    public function hasProcessorInstance()
+    {
         return $this->hasValue('processor_instance');
     }
 
-    public function getProcessorInstance() {
+    public function getProcessorInstance()
+    {
         return $this->getValue('processor_instance');
     }
 
-    public function setProcessorInstance($value) {
+    public function setProcessorInstance($value)
+    {
         $this->setValue('processor_instance', $value);
     }
 
-    public function getIgnore() {
+    public function getIgnore()
+    {
         return $this->getValue('ignore');
     }
 
-    public function hasHost() {
+    public function hasHost()
+    {
         return $this->hasValue('host');
     }
 
-    public function getHost() {
+    public function getHost()
+    {
         return $this->getValue('host');
     }
 }
diff --git a/libs/ConfigBuilder.php b/libs/ConfigBuilder.php
index 018b5ce..6182ede 100644
--- a/libs/ConfigBuilder.php
+++ b/libs/ConfigBuilder.php
@@ -7,28 +7,33 @@ class ConfigBuilder
 
     private $configuration_override_file = null;
 
-    private function __construct(string $mode) {
+    private function __construct(string $mode)
+    {
         $this->config = new Config();
         $this->config['mode'] = $mode;
         $this->config['local_base'] = dirname(__DIR__);
     }
 
-    public static function fromFile($file): Config {
+    public static function fromFile($file): Config
+    {
         return unserialize(file_get_contents($file));
     }
 
-    public static function withMode($mode = Daux::STATIC_MODE): ConfigBuilder {
+    public static function withMode($mode = Daux::STATIC_MODE): ConfigBuilder
+    {
         $builder = new ConfigBuilder($mode);
         $builder->loadBaseConfiguration();
         return $builder;
     }
 
-    public function with(array $values): ConfigBuilder {
+    public function with(array $values): ConfigBuilder
+    {
         $this->config->merge($values);
         return $this;
     }
 
-    private function setValue(&$array, $key, $value) {
+    private function setValue(&$array, $key, $value)
+    {
         if (is_null($key)) {
             return $array = $value;
         }
@@ -44,65 +49,77 @@ class ConfigBuilder
         return $array;
     }
 
-    public function withValues(array $values): ConfigBuilder {
+    public function withValues(array $values): ConfigBuilder
+    {
         foreach ($values as $value) {
             $this->setValue($this->config, $value[0], $value[1]);
         }
         return $this;
     }
 
-    public function withDocumentationDirectory($dir): ConfigBuilder {
+    public function withDocumentationDirectory($dir): ConfigBuilder
+    {
         $this->config['docs_directory'] = $dir;
         return $this;
     }
 
-    public function withValidContentExtensions(array $value): ConfigBuilder {
+    public function withValidContentExtensions(array $value): ConfigBuilder
+    {
         $this->config['valid_content_extensions'] = $value;
         return $this;
     }
 
-    public function withThemesPath($themePath): ConfigBuilder {
+    public function withThemesPath($themePath): ConfigBuilder
+    {
         $this->config['themes_path'] = $themePath;
         return $this;
     }
 
-    public function withThemesDirectory($directory): ConfigBuilder {
+    public function withThemesDirectory($directory): ConfigBuilder
+    {
         $this->config['themes_directory'] = $directory;
         return $this;
     }
 
-    public function withCache(bool $value): ConfigBuilder {
+    public function withCache(bool $value): ConfigBuilder
+    {
         $this->config['cache'] = $value;
         return $this;
     }
 
-    public function withFormat($format): ConfigBuilder {
+    public function withFormat($format): ConfigBuilder
+    {
         $this->config['format'] = $format;
         return $this;
     }
 
-    public function withConfigurationOverride($file): ConfigBuilder {
+    public function withConfigurationOverride($file): ConfigBuilder
+    {
         $this->configuration_override_file = $file;
         return $this;
     }
 
-    public function withProcessor($value): ConfigBuilder {
+    public function withProcessor($value): ConfigBuilder
+    {
         $this->config['processor'] = $value;
         return $this;
     }
 
-    public function withConfluenceDelete($value): ConfigBuilder {
+    public function withConfluenceDelete($value): ConfigBuilder
+    {
         $this->config['confluence']['delete'] = $value;
         return $this;
     }
 
-    public function build(): Config {
+    public function build(): Config
+    {
         $this->initializeConfiguration();
 
         return $this->config;
     }
 
-    private function resolveThemeVariant() {
+    private function resolveThemeVariant()
+    {
         $theme = $this->config->getHTML()->getTheme();
         $themesPath = $this->config->getThemesPath() . DIRECTORY_SEPARATOR;
 
@@ -131,7 +148,8 @@ class ConfigBuilder
      * @param string $override_file
      * @throws Exception
      */
-    private function initializeConfiguration() {
+    private function initializeConfiguration()
+    {
         // Validate and set theme path
         $docs_path = $this->normalizeDocumentationPath($this->config->getDocumentationDirectory());
         $this->config['docs_directory'] = $docs_path;
@@ -163,10 +181,11 @@ class ConfigBuilder
         // Text search would be too slow on live server
         if ($this->config->isLive()) {
             $this->config['html']['search'] = false;
-        } 
+        }
     }
 
-    private function normalizeThemePath($path) {
+    private function normalizeThemePath($path)
+    {
         $validPath = $this->findLocation($path, $this->config->getLocalBase(), 'dir');
 
         if (!$validPath) {
@@ -176,7 +195,8 @@ class ConfigBuilder
         return $validPath;
     }
 
-    private function normalizeDocumentationPath($path) {
+    private function normalizeDocumentationPath($path)
+    {
         $validPath = $this->findLocation($path, $this->config->getLocalBase(), 'dir');
 
         if (!$validPath) {
@@ -191,7 +211,8 @@ class ConfigBuilder
      *
      * @throws Exception
      */
-    private function loadBaseConfiguration() {
+    private function loadBaseConfiguration()
+    {
         // Set the default configuration
         $this->config->merge([
             'docs_directory' => 'docs',
@@ -212,7 +233,8 @@ class ConfigBuilder
      * @param bool $optional
      * @throws Exception
      */
-    private function loadConfiguration($config_file, $optional = true) {
+    private function loadConfiguration($config_file, $optional = true)
+    {
         if (!file_exists($config_file)) {
             if ($optional) {
                 return;
@@ -235,7 +257,8 @@ class ConfigBuilder
      * @return string|null the path to a file to load for configuration overrides
      * @throws Exception
      */
-    private function getConfigurationOverride($path) {
+    private function getConfigurationOverride($path)
+    {
         $validPath = $this->findLocation($path, $this->config->getLocalBase(), 'file');
 
         if ($validPath === null) {
@@ -255,7 +278,8 @@ class ConfigBuilder
      * @param string $type
      * @return false|null|string
      */
-    private function findLocation($path, $basedir, $type) {
+    private function findLocation($path, $basedir, $type)
+    {
         // If Path is explicitly null, it's useless to go further
         if ($path === null) {
             return null;
@@ -280,4 +304,4 @@ class ConfigBuilder
 
         return false;
     }
-}
\ No newline at end of file
+}
diff --git a/libs/Console/DauxCommand.php b/libs/Console/DauxCommand.php
index e1ad986..d9266c1 100644
--- a/libs/Console/DauxCommand.php
+++ b/libs/Console/DauxCommand.php
@@ -9,7 +9,7 @@ use Todaymade\Daux\Daux;
 
 class DauxCommand extends SymfonyCommand
 {
-    protected function configure() 
+    protected function configure()
     {
         $this
             ->addOption('configuration', 'c', InputOption::VALUE_REQUIRED, 'Configuration file')
@@ -46,7 +46,7 @@ class DauxCommand extends SymfonyCommand
 
         if ($input->hasOption('value')) {
             $values = array_map(
-                function($value) {
+                function ($value) {
                     return array_map("trim", explode('=', $value));
                 },
                 $input->getOption('value')
diff --git a/libs/Console/RunAction.php b/libs/Console/RunAction.php
index 26e3a2b..1ee0be3 100644
--- a/libs/Console/RunAction.php
+++ b/libs/Console/RunAction.php
@@ -5,7 +5,8 @@ use Todaymade\Daux\Daux;
 
 trait RunAction
 {
-    protected function getLength($content) {
+    protected function getLength($content)
+    {
         return function_exists('mb_strlen') ? mb_strlen($content) : strlen($content);
     }
 
@@ -19,7 +20,7 @@ trait RunAction
         $padding = $width - $this->getLength($title) - 10;
 
         try {
-            $response = $closure(function($content) use (&$padding, $verbose) {
+            $response = $closure(function ($content) use (&$padding, $verbose) {
                 $padding -= $this->getLength($content);
                 Daux::write($content, $verbose);
             });
diff --git a/libs/Console/Serve.php b/libs/Console/Serve.php
index 65dd270..0533015 100755
--- a/libs/Console/Serve.php
+++ b/libs/Console/Serve.php
@@ -49,7 +49,7 @@ class Serve extends DauxCommand
             return 1;
         }
 
-        $path = stream_get_meta_data($file)['uri']; 
+        $path = stream_get_meta_data($file)['uri'];
         fwrite($file, serialize($daux->getConfig()));
 
         chdir(__DIR__ . '/../../');
diff --git a/libs/ContentTypes/Markdown/ContentType.php b/libs/ContentTypes/Markdown/ContentType.php
index c1fb2db..0f42bf6 100644
--- a/libs/ContentTypes/Markdown/ContentType.php
+++ b/libs/ContentTypes/Markdown/ContentType.php
@@ -19,11 +19,13 @@ class ContentType implements \Todaymade\Daux\ContentTypes\ContentType
         $this->config = $config;
     }
 
-    protected function createConverter() {
+    protected function createConverter()
+    {
         return new CommonMarkConverter(['daux' => $this->config]);
     }
 
-    protected function getConverter() {
+    protected function getConverter()
+    {
         if (!$this->converter) {
             $this->converter = $this->createConverter();
         }
@@ -67,7 +69,7 @@ class ContentType implements \Todaymade\Daux\ContentTypes\ContentType
 
         if ($can_cache) {
             Cache::put($cacheKey, $payload);
-        } 
+        }
 
         return $payload;
     }
diff --git a/libs/Daux.php b/libs/Daux.php
index 7c7a99a..b329a4f 100644
--- a/libs/Daux.php
+++ b/libs/Daux.php
@@ -4,8 +4,6 @@ use Symfony\Component\Console\Output\NullOutput;
 use Symfony\Component\Console\Output\OutputInterface;
 use Todaymade\Daux\ContentTypes\ContentTypeHandler;
 use Todaymade\Daux\Tree\Builder;
-use Todaymade\Daux\Tree\Content;
-use Todaymade\Daux\Tree\Directory;
 use Todaymade\Daux\Tree\Root;
 
 class Daux
@@ -40,7 +38,7 @@ class Daux
     {
         Daux::$output = $output;
 
-        
+
         $this->config = $config;
     }
 
@@ -161,7 +159,8 @@ class Daux
         return $class;
     }
 
-    protected function findAlternatives($input, $words) {
+    protected function findAlternatives($input, $words)
+    {
         $alternatives = [];
 
         foreach ($words as $word) {
@@ -246,7 +245,8 @@ class Daux
         return $this->validExtensions = $this->getContentTypeHandler()->getContentExtensions();
     }
 
-    public static function getOutput() {
+    public static function getOutput()
+    {
         if (!Daux::$output) {
             Daux::$output = new NullOutput();
         }
@@ -261,7 +261,8 @@ class Daux
      * @param bool         $newline  Whether to add a newline
      * @param int          $options  A bitmask of options (one of the OUTPUT or VERBOSITY constants), 0 is considered the same as self::OUTPUT_NORMAL | self::VERBOSITY_NORMAL
      */
-    public static function write($messages, $newline = false, $options = 0) {
+    public static function write($messages, $newline = false, $options = 0)
+    {
         Daux::getOutput()->write($messages, $newline, $options);
     }
 
@@ -271,11 +272,13 @@ class Daux
      * @param string|array $messages The message as an array of lines of a single string
      * @param int          $options  A bitmask of options (one of the OUTPUT or VERBOSITY constants), 0 is considered the same as self::OUTPUT_NORMAL | self::VERBOSITY_NORMAL
      */
-    public static function writeln($messages, $options = 0) {
+    public static function writeln($messages, $options = 0)
+    {
         Daux::getOutput()->write($messages, true, $options);
     }
 
-    public static function getVerbosity() {
+    public static function getVerbosity()
+    {
         return Daux::getOutput()->getVerbosity();
     }
 }
diff --git a/libs/DauxHelper.php b/libs/DauxHelper.php
index 9c50f79..b6777aa 100644
--- a/libs/DauxHelper.php
+++ b/libs/DauxHelper.php
@@ -237,7 +237,7 @@ class DauxHelper
         // Convert all dashes into underscores
         $title = preg_replace('![' . preg_quote('-') . ']+!u', $separator, $title);
 
-        // Remove all characters that are not valid in a URL: 
+        // Remove all characters that are not valid in a URL:
         // $-_.+!*'(), separator, letters, numbers, or whitespace.
         $title = preg_replace('![^-' . preg_quote($separator) . '\!\'\(\),\.\+\*\$\pL\pN\s]+!u', '', $title);
 
@@ -316,7 +316,8 @@ class DauxHelper
         return '' !== $parts['root'];
     }
 
-    public static function getAbsolutePath($path) {
+    public static function getAbsolutePath($path)
+    {
         if (DauxHelper::isAbsolutePath($path)) {
             return $path;
         }
@@ -324,7 +325,8 @@ class DauxHelper
         return getcwd() . '/' . $path;
     }
 
-    public static function is($path, $type) {
+    public static function is($path, $type)
+    {
         return ($type == 'dir') ? is_dir($path) : file_exists($path);
     }
 
diff --git a/libs/Format/Base/EmbedImages.php b/libs/Format/Base/EmbedImages.php
index f729e7e..8cc440d 100644
--- a/libs/Format/Base/EmbedImages.php
+++ b/libs/Format/Base/EmbedImages.php
@@ -25,7 +25,7 @@ class EmbedImages
     {
         return preg_replace_callback(
             "/<img\\s+[^>]*src=['\"]([^\"]*)['\"][^>]*>/",
-            function($matches) use ($file, $callback) {
+            function ($matches) use ($file, $callback) {
                 if ($result = $this->findImage($matches[1], $matches[0], $file, $callback)) {
                     return $result;
                 }
diff --git a/libs/Format/Confluence/Api.php b/libs/Format/Confluence/Api.php
index d3e26af..9e70638 100644
--- a/libs/Format/Confluence/Api.php
+++ b/libs/Format/Confluence/Api.php
@@ -232,7 +232,6 @@ class Api
 
         $prepared = [];
         foreach ($filtered as $index => $line) {
-
             $number = $start + 1 + $index;
             $gutter = substr(' ' . (' ' . $number), -$maxWidth) . ' | ';
 
@@ -318,7 +317,6 @@ class Api
         // If the attachment is already uploaded,
         // the update URL is different
         if (count($result['results'])) {
-
             if ($this->getFileSize($attachment) == $result['results'][0]['extensions']['fileSize']) {
                 $write(" ( An attachment of the same size already exists, skipping. )");
                 return;
diff --git a/libs/Format/Confluence/Config.php b/libs/Format/Confluence/Config.php
index 907b4d6..351a03d 100644
--- a/libs/Format/Confluence/Config.php
+++ b/libs/Format/Confluence/Config.php
@@ -4,7 +4,8 @@ use Todaymade\Daux\BaseConfig;
 
 class Config extends BaseConfig
 {
-    public function shouldAutoDeleteOrphanedPages() {
+    public function shouldAutoDeleteOrphanedPages()
+    {
         if ($this->hasValue('delete')) {
             return $this->getValue('delete');
         }
@@ -12,55 +13,68 @@ class Config extends BaseConfig
         return false;
     }
 
-    public function getUpdateThreshold() {
+    public function getUpdateThreshold()
+    {
         return $this->hasValue('update_threshold') ? $this->getValue('update_threshold') : 2;
     }
 
-    public function getPrefix() {
+    public function getPrefix()
+    {
         return $this->getValue('prefix');
     }
 
-    public function getBaseUrl() {
+    public function getBaseUrl()
+    {
         return $this->getValue('base_url');
     }
 
-    public function getUser() {
+    public function getUser()
+    {
         return $this->getValue('user');
     }
 
-    public function getPassword() {
+    public function getPassword()
+    {
         return $this->getValue('pass');
     }
 
-    public function getSpaceId() {
+    public function getSpaceId()
+    {
         return $this->getValue('space_id');
     }
 
-    public function hasAncestorId() {
+    public function hasAncestorId()
+    {
         return $this->hasValue('ancestor_id');
     }
 
-    public function getAncestorId() {
+    public function getAncestorId()
+    {
         return $this->getValue('ancestor_id');
     }
 
-    public function setAncestorId($value) {
+    public function setAncestorId($value)
+    {
         $this->setValue('ancestor_id', $value);
     }
 
-    public function hasRootId() {
+    public function hasRootId()
+    {
         return $this->hasValue('root_id');
     }
 
-    public function getRootId() {
+    public function getRootId()
+    {
         return $this->getValue('root_id');
     }
 
-    public function hasHeader() {
+    public function hasHeader()
+    {
         return $this->hasValue('header');
     }
 
-    public function getHeader() {
+    public function getHeader()
+    {
         return $this->getValue('header');
     }
 }
diff --git a/libs/Format/Confluence/ContentPage.php b/libs/Format/Confluence/ContentPage.php
index f0b2e55..ee55ad0 100644
--- a/libs/Format/Confluence/ContentPage.php
+++ b/libs/Format/Confluence/ContentPage.php
@@ -19,13 +19,13 @@ class ContentPage extends \Todaymade\Daux\Format\Base\ContentPage
             ->embed(
                 $content,
                 $this->file,
-                function($src, array $attributes, Entry $file) {
+                function ($src, array $attributes, Entry $file) {
 
                     //Add the attachment for later upload
                     if ($file instanceof Raw) {
                         $filename = basename($file->getPath());
                         $this->attachments[$filename] = ['filename' => $filename, 'file' => $file];
-                    } else if ($file instanceof ComputedRaw) {
+                    } elseif ($file instanceof ComputedRaw) {
                         $filename = $file->getUri();
                         $this->attachments[$filename] = ['filename' => $filename, 'content' => $file->getContent()];
                     } else {
diff --git a/libs/Format/Confluence/ContentTypes/Markdown/CodeRenderer.php b/libs/Format/Confluence/ContentTypes/Markdown/CodeRenderer.php
index 2e738f2..041bed6 100644
--- a/libs/Format/Confluence/ContentTypes/Markdown/CodeRenderer.php
+++ b/libs/Format/Confluence/ContentTypes/Markdown/CodeRenderer.php
@@ -5,7 +5,6 @@ use League\CommonMark\HtmlElement;
 
 abstract class CodeRenderer implements BlockRendererInterface
 {
-
     public function escapeCDATA($content)
     {
         return str_replace("]]>", "]]]]><![CDATA[>", $content);
diff --git a/libs/Format/Confluence/ContentTypes/Markdown/ContentType.php b/libs/Format/Confluence/ContentTypes/Markdown/ContentType.php
index 0ff703a..d671938 100644
--- a/libs/Format/Confluence/ContentTypes/Markdown/ContentType.php
+++ b/libs/Format/Confluence/ContentTypes/Markdown/ContentType.php
@@ -1,10 +1,9 @@
 <?php namespace Todaymade\Daux\Format\Confluence\ContentTypes\Markdown;
 
-use Todaymade\Daux\Config;
-
 class ContentType extends \Todaymade\Daux\ContentTypes\Markdown\ContentType
 {
-    protected function createConverter() {
+    protected function createConverter()
+    {
         return new CommonMarkConverter(['daux' => $this->config]);
     }
 }
diff --git a/libs/Format/Confluence/ContentTypes/Markdown/ImageRenderer.php b/libs/Format/Confluence/ContentTypes/Markdown/ImageRenderer.php
index 52e8c3b..a63e193 100644
--- a/libs/Format/Confluence/ContentTypes/Markdown/ImageRenderer.php
+++ b/libs/Format/Confluence/ContentTypes/Markdown/ImageRenderer.php
@@ -20,7 +20,8 @@ class ImageRenderer implements InlineRendererInterface, ConfigurationAwareInterf
      */
     protected $parent;
 
-    public function __construct() {
+    public function __construct()
+    {
         $this->parent = new \League\CommonMark\Inline\Renderer\ImageRenderer();
     }
 
diff --git a/libs/Format/Confluence/Generator.php b/libs/Format/Confluence/Generator.php
index 7ff54eb..035d58b 100644
--- a/libs/Format/Confluence/Generator.php
+++ b/libs/Format/Confluence/Generator.php
@@ -80,7 +80,7 @@ class Generator implements \Todaymade\Daux\Format\Base\Generator
         $tree = $this->runAction(
             'Generating Tree ...',
             $width,
-            function() use ($config) {
+            function () use ($config) {
                 $tree = $this->generateRecursive($this->daux->tree, $config);
                 $tree['title'] = $this->prefix . $config->getTitle();
 
diff --git a/libs/Format/Confluence/Publisher.php b/libs/Format/Confluence/Publisher.php
index f5abe20..291440b 100644
--- a/libs/Format/Confluence/Publisher.php
+++ b/libs/Format/Confluence/Publisher.php
@@ -54,7 +54,7 @@ class Publisher
 
         $this->run(
             'Getting already published pages...',
-            function() use (&$published) {
+            function () use (&$published) {
                 if ($published != null) {
                     $published['children'] = $this->client->getList($published['id'], true);
                 }
@@ -63,7 +63,7 @@ class Publisher
 
         $published = $this->run(
             "Create placeholder pages...",
-            function() use ($tree, $published) {
+            function () use ($tree, $published) {
                 return $this->createRecursive($this->confluence->getAncestorId(), $tree, $published);
             }
         );
@@ -142,7 +142,7 @@ class Publisher
 
     protected function createRecursive($parent_id, $entry, $published)
     {
-        $callback = function($parent_id, $entry, $published) {
+        $callback = function ($parent_id, $entry, $published) {
             // nothing to do if the ID already exists
             if (array_key_exists('id', $published)) {
                 return $published;
@@ -163,7 +163,7 @@ class Publisher
 
     protected function updateRecursive($parent_id, $entry, $published)
     {
-        $callback = function($parent_id, $entry, $published) {
+        $callback = function ($parent_id, $entry, $published) {
             if (array_key_exists('id', $published) && array_key_exists('page', $entry)) {
                 $this->updatePage($parent_id, $entry, $published);
             }
@@ -181,7 +181,7 @@ class Publisher
 
         $this->run(
             '- ' . PublisherUtilities::niceTitle($entry['file']->getUrl()),
-            function() use ($entry, $published, $parent_id, $updateThreshold) {
+            function () use ($entry, $published, $parent_id, $updateThreshold) {
                 $generated_content = $entry['page']->getContent();
                 if (PublisherUtilities::shouldUpdate($entry['page'], $generated_content, $published, $updateThreshold)) {
                     $this->client->updatePage(
@@ -199,7 +199,7 @@ class Publisher
             foreach ($entry['page']->attachments as $attachment) {
                 $this->run(
                     "  With attachment: $attachment[filename]",
-                    function($write) use ($published, $attachment) {
+                    function ($write) use ($published, $attachment) {
                         $this->client->uploadAttachment($published['id'], $attachment, $write);
                     }
                 );
diff --git a/libs/Format/Confluence/PublisherDelete.php b/libs/Format/Confluence/PublisherDelete.php
index 6c5a0b5..8d06fc3 100644
--- a/libs/Format/Confluence/PublisherDelete.php
+++ b/libs/Format/Confluence/PublisherDelete.php
@@ -60,7 +60,8 @@ class PublisherDelete
         }
     }
 
-    protected function doDelete() {
+    protected function doDelete()
+    {
         $this->output->writeLn('Deleting obsolete pages...');
         foreach ($this->deletable as $id => $title) {
             $this->output->writeLn("- $title");
@@ -68,7 +69,8 @@ class PublisherDelete
         }
     }
 
-    protected function displayDeletable() {
+    protected function displayDeletable()
+    {
         $this->output->writeLn('Listing obsolete pages...');
         $this->output->writeLn("> The following pages will not be deleted, but just listed for information.");
         $this->output->writeLn("> If you want to delete these pages, you need to set the --delete flag on the command.");
diff --git a/libs/Format/HTML/Config.php b/libs/Format/HTML/Config.php
index 559eaa6..477e0e2 100644
--- a/libs/Format/HTML/Config.php
+++ b/libs/Format/HTML/Config.php
@@ -34,7 +34,8 @@ class Config extends BaseConfig
         return null;
     }
 
-    public function hasSearch() {
+    public function hasSearch()
+    {
         return $this->hasValue('search') && $this->getValue('search');
     }
 
diff --git a/libs/Format/HTML/ContentPage.php b/libs/Format/HTML/ContentPage.php
index 72d8a11..4ee4829 100644
--- a/libs/Format/HTML/ContentPage.php
+++ b/libs/Format/HTML/ContentPage.php
@@ -30,7 +30,8 @@ class ContentPage extends \Todaymade\Daux\Format\Base\ContentPage
         return $this->file->getParent() instanceof Root;
     }
 
-    private function isLanding(): bool {
+    private function isLanding(): bool
+    {
         return $this->config->getHTML()->hasLandingPage() && $this->homepage;
     }
 
diff --git a/libs/Format/HTML/ContentTypes/Markdown/ContentType.php b/libs/Format/HTML/ContentTypes/Markdown/ContentType.php
index 037106e..e25f1cc 100644
--- a/libs/Format/HTML/ContentTypes/Markdown/ContentType.php
+++ b/libs/Format/HTML/ContentTypes/Markdown/ContentType.php
@@ -1,10 +1,9 @@
 <?php namespace Todaymade\Daux\Format\HTML\ContentTypes\Markdown;
 
-use Todaymade\Daux\Config;
-
 class ContentType extends \Todaymade\Daux\ContentTypes\Markdown\ContentType
 {
-    protected function createConverter() {
+    protected function createConverter()
+    {
         return new CommonMarkConverter(['daux' => $this->config]);
     }
 }
diff --git a/libs/Format/HTML/ContentTypes/Markdown/FencedCodeRenderer.php b/libs/Format/HTML/ContentTypes/Markdown/FencedCodeRenderer.php
index e1710e1..d952f92 100644
--- a/libs/Format/HTML/ContentTypes/Markdown/FencedCodeRenderer.php
+++ b/libs/Format/HTML/ContentTypes/Markdown/FencedCodeRenderer.php
@@ -15,7 +15,8 @@ class FencedCodeRenderer implements BlockRendererInterface
      */
     private $hl;
 
-    public function __construct() {
+    public function __construct()
+    {
         $this->hl = new Highlighter();
     }
 
diff --git a/libs/Format/HTML/ContentTypes/Markdown/ImageRenderer.php b/libs/Format/HTML/ContentTypes/Markdown/ImageRenderer.php
index 79181aa..9ae1d75 100644
--- a/libs/Format/HTML/ContentTypes/Markdown/ImageRenderer.php
+++ b/libs/Format/HTML/ContentTypes/Markdown/ImageRenderer.php
@@ -35,7 +35,7 @@ class ImageRenderer implements InlineRendererInterface, ConfigurationAwareInterf
     }
 
     /**
-     * Relative URLs can be done using either the folder with 
+     * Relative URLs can be done using either the folder with
      * number prefix or the final name (with prefix stripped).
      * This ensures that we always use the final name when generating.
      * @throws LinkNotFoundException
@@ -70,7 +70,7 @@ class ImageRenderer implements InlineRendererInterface, ConfigurationAwareInterf
      * @param ElementRendererInterface $htmlRenderer
      *
      * @return HtmlElement
-     * 
+     *
      * @throws LinkNotFoundException
      */
     public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
diff --git a/libs/Format/HTML/ContentTypes/Markdown/TOC/Processor.php b/libs/Format/HTML/ContentTypes/Markdown/TOC/Processor.php
index 0abc9ec..e95f6cf 100644
--- a/libs/Format/HTML/ContentTypes/Markdown/TOC/Processor.php
+++ b/libs/Format/HTML/ContentTypes/Markdown/TOC/Processor.php
@@ -72,7 +72,8 @@ class Processor
         }
     }
 
-    protected function getUniqueId(Document $document, $proposed) {
+    protected function getUniqueId(Document $document, $proposed)
+    {
         if ($proposed == "page_") {
             $proposed = "page_section_" . (count($document->heading_ids) + 1);
         }
diff --git a/libs/Format/HTML/Generator.php b/libs/Format/HTML/Generator.php
index 9b66d32..35e13cf 100755
--- a/libs/Format/HTML/Generator.php
+++ b/libs/Format/HTML/Generator.php
@@ -60,7 +60,7 @@ class Generator implements \Todaymade\Daux\Format\Base\Generator, LiveGenerator
         $this->runAction(
             'Copying Static assets ...',
             $width,
-            function() use ($destination, $config) {
+            function () use ($destination, $config) {
                 $this->ensureEmptyDestination($destination);
 
                 $this->copyThemes($destination, $config->getThemesPath());
@@ -170,7 +170,7 @@ class Generator implements \Todaymade\Daux\Format\Base\Generator, LiveGenerator
                 $this->runAction(
                     '- ' . $node->getUrl(),
                     $width,
-                    function() use ($node, $output_dir, $key, $config, $index_pages) {
+                    function () use ($node, $output_dir, $key, $config, $index_pages) {
                         if ($node instanceof Raw) {
                             copy($node->getPath(), $output_dir . DIRECTORY_SEPARATOR . $key);
 
diff --git a/libs/Format/HTML/HTMLUtils.php b/libs/Format/HTML/HTMLUtils.php
index 0c960be..756ed7b 100644
--- a/libs/Format/HTML/HTMLUtils.php
+++ b/libs/Format/HTML/HTMLUtils.php
@@ -2,7 +2,8 @@
 
 use Todaymade\Daux\GeneratorHelper;
 
-trait HTMLUtils {
+trait HTMLUtils
+{
     public function ensureEmptyDestination($destination)
     {
         if (is_dir($destination)) {
@@ -26,4 +27,4 @@ trait HTMLUtils {
             $destination . DIRECTORY_SEPARATOR . 'themes'
         );
     }
-}
\ No newline at end of file
+}
diff --git a/libs/Format/HTML/Template.php b/libs/Format/HTML/Template.php
index d8fdc63..b1ea48d 100644
--- a/libs/Format/HTML/Template.php
+++ b/libs/Format/HTML/Template.php
@@ -78,13 +78,13 @@ class Template
 
     protected function registerFunctions($engine)
     {
-        $engine->registerFunction('get_navigation', function($tree, $path, $current_url, $base_page, $mode) {
+        $engine->registerFunction('get_navigation', function ($tree, $path, $current_url, $base_page, $mode) {
             $nav = $this->buildNavigation($tree, $path, $current_url, $base_page, $mode);
 
             return $this->renderNavigation($nav);
         });
 
-        $engine->registerFunction('translate', function($key) {
+        $engine->registerFunction('translate', function ($key) {
             $language = $this->config->getLanguage();
 
             if (isset($this->engine->getData('page')['page'])) {
@@ -105,7 +105,7 @@ class Template
             return "Unknown key $key";
         });
 
-        $engine->registerFunction('get_breadcrumb_title', function($page, $base_page) {
+        $engine->registerFunction('get_breadcrumb_title', function ($page, $base_page) {
             $title = '';
             $breadcrumb_trail = $page['breadcrumb_trail'];
             $separator = $this->getSeparator($page['breadcrumb_separator']);
diff --git a/libs/Format/HTML/Theme.php b/libs/Format/HTML/Theme.php
index f2a9e9e..6060921 100644
--- a/libs/Format/HTML/Theme.php
+++ b/libs/Format/HTML/Theme.php
@@ -4,23 +4,28 @@ use Todaymade\Daux\BaseConfig;
 
 class Theme extends BaseConfig
 {
-    public function getFonts() {
+    public function getFonts()
+    {
         return $this->getValue('fonts');
     }
 
-    public function getCSS() {
+    public function getCSS()
+    {
         return $this->getValue('css');
     }
 
-    public function getJS() {
+    public function getJS()
+    {
         return $this->getValue('js');
     }
 
-    public function getFavicon() {
+    public function getFavicon()
+    {
         return $this->getValue('favicon');
     }
 
-    public function getTemplates() {
+    public function getTemplates()
+    {
         return $this->getValue('templates');
     }
 }
diff --git a/libs/Format/HTMLFile/ContentPage.php b/libs/Format/HTMLFile/ContentPage.php
index ceb1f12..ec86075 100644
--- a/libs/Format/HTMLFile/ContentPage.php
+++ b/libs/Format/HTMLFile/ContentPage.php
@@ -17,7 +17,7 @@ class ContentPage extends \Todaymade\Daux\Format\Base\ContentPage
             ->embed(
                 $content,
                 $this->file,
-                function($src, array $attributes, Raw $file) {
+                function ($src, array $attributes, Raw $file) {
                     // TODO :: ignore absolute paths
                     $content = base64_encode(file_get_contents($file->getPath()));
                     $attr = '';
diff --git a/libs/Format/HTMLFile/ContentTypes/Markdown/ContentType.php b/libs/Format/HTMLFile/ContentTypes/Markdown/ContentType.php
index 934d84a..e66eb03 100644
--- a/libs/Format/HTMLFile/ContentTypes/Markdown/ContentType.php
+++ b/libs/Format/HTMLFile/ContentTypes/Markdown/ContentType.php
@@ -1,10 +1,9 @@
 <?php namespace Todaymade\Daux\Format\HTMLFile\ContentTypes\Markdown;
 
-use Todaymade\Daux\Config;
-
 class ContentType extends \Todaymade\Daux\ContentTypes\Markdown\ContentType
 {
-    protected function createConverter() {
+    protected function createConverter()
+    {
         return new CommonMarkConverter(['daux' => $this->config]);
     }
 }
diff --git a/libs/Format/HTMLFile/ContentTypes/Markdown/LinkRenderer.php b/libs/Format/HTMLFile/ContentTypes/Markdown/LinkRenderer.php
index 3685f82..aa2b148 100644
--- a/libs/Format/HTMLFile/ContentTypes/Markdown/LinkRenderer.php
+++ b/libs/Format/HTMLFile/ContentTypes/Markdown/LinkRenderer.php
@@ -64,4 +64,4 @@ class LinkRenderer extends \Todaymade\Daux\ContentTypes\Markdown\LinkRenderer
 
         return $element;
     }
-}
\ No newline at end of file
+}
diff --git a/libs/Format/HTMLFile/Generator.php b/libs/Format/HTMLFile/Generator.php
index 0982cbb..454b7ac 100644
--- a/libs/Format/HTMLFile/Generator.php
+++ b/libs/Format/HTMLFile/Generator.php
@@ -55,7 +55,7 @@ class Generator implements \Todaymade\Daux\Format\Base\Generator
         $this->runAction(
             'Cleaning destination folder ...',
             $width,
-            function() use ($destination) {
+            function () use ($destination) {
                 $this->ensureEmptyDestination($destination);
             }
         );
@@ -73,7 +73,7 @@ class Generator implements \Todaymade\Daux\Format\Base\Generator
             $this->runAction(
                 'Generating ' . $current->getTitle(),
                 $width,
-                function() use ($book, $current, $config) {
+                function () use ($book, $current, $config) {
                     $contentType = $this->daux->getContentTypeHandler()->getType($current);
                     $content = ContentPage::fromFile($current, $config, $contentType);
                     $content->templateRenderer = $this->templateRenderer;
diff --git a/libs/FormatDate.php b/libs/FormatDate.php
index 3b09dd9..00f5517 100644
--- a/libs/FormatDate.php
+++ b/libs/FormatDate.php
@@ -4,7 +4,8 @@ use IntlDateFormatter;
 
 class FormatDate
 {
-    public static function format($config, $date) {
+    public static function format($config, $date)
+    {
         $locale = $config->getLanguage();
         $datetype = IntlDateFormatter::LONG;
         $timetype = IntlDateFormatter::SHORT;
@@ -19,4 +20,4 @@ class FormatDate
 
         return $formatter->format($date);
     }
-}
\ No newline at end of file
+}
diff --git a/libs/Server/Server.php b/libs/Server/Server.php
index 144edda..ee5d5ba 100755
--- a/libs/Server/Server.php
+++ b/libs/Server/Server.php
@@ -77,7 +77,8 @@ class Server
      * @param string $postfix
      * @return string
      */
-    private function getTemporaryFile($postfix) {
+    private function getTemporaryFile($postfix)
+    {
         $sysFileName = tempnam(sys_get_temp_dir(), 'daux');
         if ($sysFileName === false) {
             throw new \RuntimeException("Could not create temporary file");
@@ -99,7 +100,8 @@ class Server
      * @param Page $page
      * @return Response
      */
-    public function createResponse(Page $page) {
+    public function createResponse(Page $page)
+    {
         // Add a custom MimeType guesser in case the default ones are not available
         // This makes sure that at least CSS and JS work fine.
         $mimeTypes = MimeTypes::getDefault();
diff --git a/libs/Tree/Builder.php b/libs/Tree/Builder.php
index 51e058a..5d39c86 100644
--- a/libs/Tree/Builder.php
+++ b/libs/Tree/Builder.php
@@ -218,7 +218,8 @@ class Builder
      *
      * @param Directory $current
      */
-    public static function sortTree(Directory $current) {
+    public static function sortTree(Directory $current)
+    {
         $current->sort();
         foreach ($current->getEntries() as $entry) {
             if ($entry instanceof Directory) {
@@ -251,5 +252,4 @@ class Builder
 
         return $prev;
     }
-
 }
diff --git a/libs/Tree/Content.php b/libs/Tree/Content.php
index b02073d..ab8aa69 100644
--- a/libs/Tree/Content.php
+++ b/libs/Tree/Content.php
@@ -24,7 +24,7 @@ class Content extends ContentAbstract
     {
         if ($this->manuallySetContent) {
             $content = $this->content;
-        } else if (!$this->getPath()) {
+        } elseif (!$this->getPath()) {
             throw new RuntimeException("Empty content");
         } else {
             $content = file_get_contents($this->getPath());
diff --git a/libs/Tree/Directory.php b/libs/Tree/Directory.php
index 1534c4a..4af7072 100644
--- a/libs/Tree/Directory.php
+++ b/libs/Tree/Directory.php
@@ -95,7 +95,7 @@ class Directory extends Entry implements \ArrayAccess, \IteratorAggregate
 
     private function sortBucket($bucket, $final)
     {
-        uasort($bucket, function(Entry $a, Entry $b) {
+        uasort($bucket, function (Entry $a, Entry $b) {
             return strcasecmp($a->getName(), $b->getName());
         });
 
@@ -136,7 +136,8 @@ class Directory extends Entry implements \ArrayAccess, \IteratorAggregate
         return $this->parent->getConfig();
     }
 
-    public function getLocalIndexPage() {
+    public function getLocalIndexPage()
+    {
         $index_key = $this->getConfig()->getIndexKey();
 
         if (isset($this->children[$index_key])) {
diff --git a/libs/Tree/Entry.php b/libs/Tree/Entry.php
index f02e0cf..8ba569d 100644
--- a/libs/Tree/Entry.php
+++ b/libs/Tree/Entry.php
@@ -190,7 +190,8 @@ abstract class Entry
         ];
     }
 
-    public function isHotPath(Entry $node = null) {
+    public function isHotPath(Entry $node = null)
+    {
         return $this->parent->isHotPath($node ?: $this);
     }
 }
diff --git a/libs/Tree/Root.php b/libs/Tree/Root.php
index d0235a9..c7abfce 100644
--- a/libs/Tree/Root.php
+++ b/libs/Tree/Root.php
@@ -37,7 +37,8 @@ class Root extends Directory
         $this->config = $config;
     }
 
-    public function isHotPath(Entry $node = null): bool {
+    public function isHotPath(Entry $node = null): bool
+    {
         if ($node == null) {
             return true;
         }
@@ -59,7 +60,8 @@ class Root extends Directory
         return false;
     }
 
-    public function setActiveNode(Entry $node) {
+    public function setActiveNode(Entry $node)
+    {
         $this->activeNode = $node;
     }
 }
diff --git a/libs/bootstrap.php b/libs/bootstrap.php
index 07734fe..3d0b9bd 100644
--- a/libs/bootstrap.php
+++ b/libs/bootstrap.php
@@ -1,6 +1,7 @@
 <?php
 
-function loadApp() {
+function loadApp()
+{
     // Loaded as a dependency
     if (file_exists(__DIR__ . '/../../../autoload.php')) {
         return require_once __DIR__ . '/../../../autoload.php';
diff --git a/scripts/install_tools.sh b/scripts/install_tools.sh
index 305c812..b9e4fe0 100755
--- a/scripts/install_tools.sh
+++ b/scripts/install_tools.sh
@@ -7,3 +7,7 @@ fi
 echo "-- Install phpunit"
 curl -sSLo build/phpunit https://phar.phpunit.de/phpunit-8.phar
 chmod +x build/phpunit
+
+echo "-- Install php-cs-fixer"
+curl -sSLo build/php-cs-fixer https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v2.16.3/php-cs-fixer.phar
+chmod +x build/php-cs-fixer
diff --git a/templates/content.php b/templates/content.php
index 2949c47..862f139 100644
--- a/templates/content.php
+++ b/templates/content.php
@@ -26,21 +26,18 @@
     <?php
     $hasPrevNext = (!empty($page['prev']) || !empty($page['next']));
     if ($hasPrevNext && $config->getHTML()->showPreviousNextLinks()) {
-    ?>
+        ?>
     <nav>
         <ul class="Pager">
             <?php if (!empty($page['prev'])) {
-        ?><li class=Pager--prev><a href="<?= $base_url . $page['prev']->getUrl() ?>"><?= $this->translate("Link_previous") ?></a></li><?php
-
-    } ?>
+            ?><li class=Pager--prev><a href="<?= $base_url . $page['prev']->getUrl() ?>"><?= $this->translate("Link_previous") ?></a></li><?php
+        } ?>
             <?php if (!empty($page['next'])) {
-        ?><li class=Pager--next><a href="<?= $base_url . $page['next']->getUrl() ?>"><?= $this->translate("Link_next") ?></a></li><?php
-
-    } ?>
+            ?><li class=Pager--next><a href="<?= $base_url . $page['next']->getUrl() ?>"><?= $this->translate("Link_next") ?></a></li><?php
+        } ?>
         </ul>
     </nav>
     <?php
-
-} ?>
+    } ?>
 </article>
 
diff --git a/templates/home.php b/templates/home.php
index e814528..fad390f 100755
--- a/templates/home.php
+++ b/templates/home.php
@@ -53,8 +53,8 @@
             <?php if ($config->getHTML()->hasLinks()) { ?>
                 <ul class="HomepageFooter__links">
                     <?php foreach ($config->getHTML()->getLinks() as $name => $url) {
-                    echo '<li><a href="' . $url . '" target="_blank">' . $name . '</a></li>';
-                } ?>
+                echo '<li><a href="' . $url . '" target="_blank">' . $name . '</a></li>';
+            } ?>
                 </ul>
             <?php } ?>
 
diff --git a/templates/layout/00_layout.php b/templates/layout/00_layout.php
index f715949..80de567 100755
--- a/templates/layout/00_layout.php
+++ b/templates/layout/00_layout.php
@@ -34,13 +34,13 @@
 
     <!-- Font -->
     <?php foreach ($config->getTheme()->getFonts() as $font) {
-        echo "<link href='$font' rel='stylesheet' type='text/css'>";
-    } ?>
+    echo "<link href='$font' rel='stylesheet' type='text/css'>";
+} ?>
 
     <!-- CSS -->
     <?php foreach ($config->getTheme()->getCSS() as $css) {
-        echo "<link href='$css' rel='stylesheet' type='text/css'>";
-    } ?>
+    echo "<link href='$css' rel='stylesheet' type='text/css'>";
+} ?>
 
     <?php if ($config->getHTML()->hasSearch()) { ?>
         <!-- Search -->
diff --git a/templates/partials/navbar_content.php b/templates/partials/navbar_content.php
index 0636ae1..ba3a107 100755
--- a/templates/partials/navbar_content.php
+++ b/templates/partials/navbar_content.php
@@ -1,4 +1,4 @@
-<?php 
+<?php
 if (!isset($config)) {
     $config = $params;
 }
diff --git a/templates/partials/search_script.php b/templates/partials/search_script.php
index e4d906a..0950891 100644
--- a/templates/partials/search_script.php
+++ b/templates/partials/search_script.php
@@ -1,4 +1,4 @@
-<?php 
+<?php
 if (!isset($config)) {
     $config = $params;
 }
diff --git a/templates/partials/twitter_buttons.php b/templates/partials/twitter_buttons.php
index 7629c24..4259a53 100644
--- a/templates/partials/twitter_buttons.php
+++ b/templates/partials/twitter_buttons.php
@@ -1,4 +1,4 @@
-<?php 
+<?php
 if (!isset($config)) {
     $config = $params;
 }
diff --git a/tests/ContentTypes/Markdown/LinkRendererTest.php b/tests/ContentTypes/Markdown/LinkRendererTest.php
index ed01ebe..9b69c1d 100644
--- a/tests/ContentTypes/Markdown/LinkRendererTest.php
+++ b/tests/ContentTypes/Markdown/LinkRendererTest.php
@@ -1,5 +1,4 @@
-<?php
-namespace Todaymade\Daux\ContentTypes\Markdown;
+<?php namespace Todaymade\Daux\ContentTypes\Markdown;
 
 use org\bovigo\vfs\vfsStream;
 use Todaymade\Daux\Config;
@@ -13,7 +12,6 @@ class LinkRendererTest extends TestCase
 {
     protected function getTree(Config $config)
     {
-
     }
 
     public function providerRenderLink()
diff --git a/tests/Format/HTML/ConfigTest.php b/tests/Format/HTML/ConfigTest.php
index f6d9d0c..1bcef3a 100644
--- a/tests/Format/HTML/ConfigTest.php
+++ b/tests/Format/HTML/ConfigTest.php
@@ -6,7 +6,8 @@ use PHPUnit\Framework\TestCase;
 
 class ConfigTest extends TestCase
 {
-    function testHTMLConfigCreation() {
+    public function testHTMLConfigCreation()
+    {
         $config = new MainConfig(['html' => ['edit_on' => 'test']]);
 
         $this->assertInstanceOf(Config::class, $config->getHTML());
diff --git a/tests/Format/HTML/TableOfContentsTest.php b/tests/Format/HTML/TableOfContentsTest.php
index e425efd..0be28f5 100644
--- a/tests/Format/HTML/TableOfContentsTest.php
+++ b/tests/Format/HTML/TableOfContentsTest.php
@@ -1,39 +1,44 @@
-<?php
-
-namespace Todaymade\Daux\Format\HTML\Test;
+<?php namespace Todaymade\Daux\Format\HTML\Test;
 
 use Todaymade\Daux\Config as MainConfig;
 use \Todaymade\Daux\Format\HTML\ContentTypes\Markdown\CommonMarkConverter;
 use PHPUnit\Framework\TestCase;
 
-class Engine {
-    function render($template, $data) {
+class Engine
+{
+    public function render($template, $data)
+    {
         return $data['content'];
     }
 }
 
-class Template {
-    function getEngine() {
+class Template
+{
+    public function getEngine()
+    {
         return new Engine;
     }
 }
 
 class TableOfContentsTest extends TestCase
 {
-    function getConfig() {
+    public function getConfig()
+    {
         $config = new MainConfig;
         $config->templateRenderer = new Template;
-        
+
         return ['daux' => $config];
     }
 
-    function testNoTOCByDefault() {
+    public function testNoTOCByDefault()
+    {
         $converter = new CommonMarkConverter($this->getConfig());
 
         $this->assertEquals("<h1 id=\"page_Test\">Test</h1>\n", $converter->convertToHtml('# Test'));
     }
 
-    function testTOCToken() {
+    public function testTOCToken()
+    {
         $converter = new CommonMarkConverter($this->getConfig());
 
         $source = "[TOC]\n# Title";
@@ -50,7 +55,8 @@ EXPECTED;
         $this->assertEquals($expected, $converter->convertToHtml($source));
     }
 
-    function testUnicodeTOC() {
+    public function testUnicodeTOC()
+    {
         $converter = new CommonMarkConverter($this->getConfig());
 
         $source = "[TOC]\n# 基础操作\n# 操作基础";
@@ -71,7 +77,8 @@ EXPECTED;
         $this->assertEquals($expected, $converter->convertToHtml($source));
     }
 
-    function testDuplicatedTOC() {
+    public function testDuplicatedTOC()
+    {
         $converter = new CommonMarkConverter($this->getConfig());
 
         $source = "[TOC]\n# Test\n# Test";
@@ -92,7 +99,8 @@ EXPECTED;
         $this->assertEquals($expected, $converter->convertToHtml($source));
     }
 
-    function testEscapedTOC() {
+    public function testEscapedTOC()
+    {
         $converter = new CommonMarkConverter($this->getConfig());
 
         $source = "[TOC]\n# TEST : Test";
diff --git a/tests/Server/ServerTest.php b/tests/Server/ServerTest.php
index 53eef48..e08ca3b 100644
--- a/tests/Server/ServerTest.php
+++ b/tests/Server/ServerTest.php
@@ -4,16 +4,14 @@ use PHPUnit\Framework\TestCase;
 use Symfony\Component\Console\Output\NullOutput;
 use Symfony\Component\HttpFoundation\Request;
 use Todaymade\Daux\Format\HTML\RawPage;
-use Todaymade\Daux\Config;
 use Todaymade\Daux\ConfigBuilder;
 use Todaymade\Daux\Daux;
-use Todaymade\Daux\Server\Server;
 use org\bovigo\vfs\vfsStream;
 
 class ServerTest extends TestCase
 {
-    function testCreateResponse() {
-
+    public function testCreateResponse()
+    {
         $structure = [
             'index.md' => 'first page',
             'Page.md' => 'another page',
@@ -39,4 +37,3 @@ class ServerTest extends TestCase
         $this->assertEquals("text/css", $response->headers->get('Content-Type'));
     }
 }
-