diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..9ab59b180fb670006ac910a2bc4524a1376dcea0
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,15 @@
+
+# Ignore developer files when exporting
+.gitattributes         export-ignore
+.gitignore             export-ignore
+.gitlab-ci.yml         export-ignore
+.phive                 export-ignore
+captainhook.json       export-ignore
+phpcs.xml.dist         export-ignore
+phpstan-baseline.neon  export-ignore
+phpstan.dist.neon      export-ignore
+phpunit.dist.xml       export-ignore
+tests                  export-ignore
+
+# Explicitly set file type and line endings for PHP files, improves git diff output
+*.php     text eol=lf diff=php
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 3c3629e647f5ddf82548912e337bea9826b434af..c70e522756820e1147269f0b6f6509a533b8d601 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,9 @@
 node_modules
+
+tools/
+
+phpstan.neon
+
+.phpunit.result.cache
+
+phpunit.xml
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000000000000000000000000000000000000..958e6dbe58befe8c34f0133df3c67aea44810b20
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,19 @@
+include:
+  - component: dev.quiqqer.com/quiqqer/stabilization/ci-cd-components/quiqqer-package-bundle/quiqqer-package-bundle@2
+    inputs:
+      quiqqer-major-version: 1
+
+# Remove the entire phpunit-php8.1 block, to allow PHPUnit to run on PHP 8.1 in your pipeline
+phpunit-php8.1:
+  rules:
+    - when: never
+
+# Remove the entire phpunit-php8.2 block, to allow PHPUnit to run on PHP 8.2 in your pipeline
+phpunit-php8.2:
+  rules:
+    - when: never
+
+# Remove the entire phpunit-php8.3 block, to allow PHPUnit to run on PHP 8.3 in your pipeline
+phpunit-php8.3:
+  rules:
+    - when: never
\ No newline at end of file
diff --git a/.phive/phars.xml b/.phive/phars.xml
new file mode 100644
index 0000000000000000000000000000000000000000..5bfa092bfad10dad9d23240281a5a2041acb815b
--- /dev/null
+++ b/.phive/phars.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phive xmlns="https://phar.io/phive">
+  <phar name="phpstan" version="1.11.8" installed="1.11.8" location="./tools/phpstan" copy="false"/>
+  <phar name="phpunit" version="^10.5.20" installed="10.5.20" location="./tools/phpunit" copy="false"/>
+  <phar name="phpcs" version="^3.10.1" installed="3.10.1" location="./tools/phpcs" copy="false"/>
+  <phar name="phpcbf" version="^3.10.1" installed="3.10.1" location="./tools/phpcbf" copy="false"/>
+  <phar name="captainhook" version="^5.23.3" installed="5.23.3" location="./tools/captainhook" copy="false"/>
+</phive>
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000000000000000000000000000000000000..4a69a59b440e5beec561eca1e341509bd5a18688
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,3 @@
+# Contributing
+
+This package follows the [QUIQQER contribution guidelines](https://dev.quiqqer.com/quiqqer/stabilization/documentation/-/wikis/home).
\ No newline at end of file
diff --git a/captainhook.json b/captainhook.json
new file mode 100644
index 0000000000000000000000000000000000000000..3702e1a358868bedd5ff4c7eae40bb1abb589267
--- /dev/null
+++ b/captainhook.json
@@ -0,0 +1,13 @@
+{
+    "pre-commit": {
+        "enabled": true,
+        "actions": [
+            {
+                "action": "\\CaptainHook\\App\\Hook\\PHP\\Action\\Linting"
+            },
+            {
+                "action": "composer test"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 6e9708783520e6190c3978a02b6270fc54cf633f..1a5255a603cfde980c20073ccf0d8de1d9a45645 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,5 @@
 {
-    "name": "quiqqer\/template-tailwindcss",
+    "name": "quiqqer/template-tailwindcss",
     "type": "quiqqer-template",
     "description": "TailwindCSS template",
     "license": "GPL-3.0+",
@@ -7,30 +7,72 @@
         {
             "name": "Michael Danielczok",
             "email": "support@pcsg.de",
-            "homepage": "https:\/\/www.pcsg.de",
+            "homepage": "https://www.pcsg.de",
             "role": "Developer"
         }
     ],
     "support": {
         "email": "support@pcsg.de",
-        "url": "http:\/\/www.pcsg.de"
+        "url": "http://www.pcsg.de"
     },
     "require": {
         "php": ">=5.3",
-        "quiqqer\/quiqqer": "*@dev",
-        "quiqqer\/bricks": "*@dev",
-        "quiqqer\/fontawesome": "*@dev",
-        "quiqqer\/sitetypes": "*@dev",
-        "quiqqer\/menu": "2.*|dev-dev|dev-master",
-        "quiqqer\/unsemantic": "*@dev",
-        "quiqqer\/utils": ">=1.7|dev-dev",
-        "quiqqer\/page-transition": "^1.2",
-        "quiqqer\/pace": ">=1.2.0|dev-master|dev-dev",
-        "quiqqer\/buttons": ">=1.0.0|dev-master|dev-dev"
+        "quiqqer/quiqqer": "^1",
+        "quiqqer/bricks": "*@dev",
+        "quiqqer/fontawesome": "*@dev",
+        "quiqqer/sitetypes": "*@dev",
+        "quiqqer/menu": "^2|*@dev",
+        "quiqqer/unsemantic": "*@dev",
+        "quiqqer/utils": "^1.7",
+        "quiqqer/page-transition": "^1.2",
+        "quiqqer/pace": "^1.2.0",
+        "quiqqer/buttons": "^1.0.0"
     },
     "autoload": {
         "psr-4": {
-            "QUI\\TemplateTailwindCss\\": "src\/QUI\/TemplateTailwindCss"
+            "QUI\\TemplateTailwindCss\\": "src/QUI/TemplateTailwindCss"
         }
+    },
+    "scripts": {
+        "test": [
+            "@dev:lint",
+            "@dev:phpunit"
+        ],
+        "dev:phpunit": "./tools/phpunit",
+        "dev:lint": [
+            "@dev:lint:phpstan",
+            "@dev:lint:style"
+        ],
+        "dev:lint:phpstan": "./tools/phpstan",
+        "dev:lint:style": "./tools/phpcs",
+        "dev:lint:style:fix": "./tools/phpcbf",
+        "dev:init": [
+            "@dev:init:check-requirements",
+            "@dev:init:tools",
+            "@dev:init:git-hooks"
+        ],
+        "dev:init:check-requirements": [
+            "which composer > /dev/null || (echo 'Error: composer has to be globally installed'; exit 1)",
+            "which phive > /dev/null || (echo 'Error: PHIVE has to be globally installed'; exit 1)"
+        ],
+        "dev:init:tools": "phive install --temporary",
+        "dev:init:git-hooks": "./tools/captainhook install --only-enabled --force"
+    },
+    "scripts-aliases": {
+        "test": [
+            "dev:test"
+        ]
+    },
+    "scripts-descriptions": {
+        "test": "Runs linting, static analysis, and unit tests.",
+        "dev:phpunit": "Run PHPUnit test suites",
+        "dev:lint": "Run PHPStan and code style check",
+        "dev:lint:phpstan": "Run PHPStan",
+        "dev:lint:style": "Run code style check (PHP_CodeSniffer)",
+        "dev:lint:style:fix": "Try to fix code style errors automatically",
+        "dev:init": "Initialize the developer tooling (tools and git hooks)",
+        "dev:init:check-requirements": "Check if the necessary requirements are met",
+        "dev:init:tools": "Install all developer tools (requires PHIVE)",
+        "dev:init:git-hooks": "Install all git hooks (may require tools to be installed)"
     }
-}
+}
\ No newline at end of file
diff --git a/index.php b/index.php
index 3cc9bcc7a82a370a1b2bbbfcee9cb27dea8d9889..2b724888147b5e227676ed7238a11c42e8f29f7d 100644
--- a/index.php
+++ b/index.php
@@ -13,7 +13,8 @@
 QUI\Utils\Site::setRecursiveAttribute($Site, 'site.settings.independentMenu.id');
 
 // Inhaltsverhalten
-if ($Site->getAttribute('templateTailwindCss.showTitle') ||
+if (
+    $Site->getAttribute('templateTailwindCss.showTitle') ||
     $Site->getAttribute('templateTailwindCss.showShort')
 ) {
     $Template->setAttribute('content-header', false);
@@ -239,8 +240,10 @@ class="header-bar-search-link searchMobile">
         'Start'     => $ProductPage
     ];
 
-    if ($Project->getConfig('templateTailwindCSS.settings.independentMenu.enable')
-        && $Project->getConfig('templateTailwindCSS.settings.independentMenu.menuId')) {
+    if (
+        $Project->getConfig('templateTailwindCSS.settings.independentMenu.enable')
+        && $Project->getConfig('templateTailwindCSS.settings.independentMenu.menuId')
+    ) {
         $menuParams['menuId']              = $Project->getConfig('templateTailwindCSS.settings.independentMenu.menuId');
         $menuParams['showFirstLevelIcons'] = $Project->getConfig('templateTailwindCSS.settings.independentMenu.showFirstLevelIcons');
     }
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
new file mode 100644
index 0000000000000000000000000000000000000000..d48084fbdc86a2dbfb78dd89ab2e0b0ff2322ba7
--- /dev/null
+++ b/phpcs.xml.dist
@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<ruleset>
+    <!-- Use PSR-12 ruleset -->
+    <rule ref="PSR12"/>
+
+    <!-- Only scan *.php files -->
+    <arg name="extensions" value="php"/>
+
+    <!-- Ignore warnings -->
+    <arg name="warning-severity" value="0"/>
+
+    <!-- Process 64 (or number of CPU cores) files in parallel -->
+    <arg name="parallel" value="64"/>
+
+    <!-- Output relative file paths, by setting the current folder as the basepath -->
+    <arg name="basepath" value="."/>
+
+    <!-- Show colored output -->
+    <arg name="colors"/>
+
+    <!-- Scan everything in the current folder -->
+    <file>.</file>
+</ruleset>
diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
new file mode 100644
index 0000000000000000000000000000000000000000..ac03a22dff495a5b31baca31f044c5849f0baddc
--- /dev/null
+++ b/phpstan-baseline.neon
@@ -0,0 +1,31 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^If condition is always true\\.$#"
+			count: 1
+			path: src/QUI/TemplateTailwindCss/Controls/Children/SiteListPreview.php
+
+		-
+			message: "#^PHPDoc tag @return with type mixed is not subtype of native type QUI\\\\Projects\\\\Site\\.$#"
+			count: 1
+			path: src/QUI/TemplateTailwindCss/Controls/Children/SiteListPreview.php
+
+		-
+			message: "#^Instanceof between array\\|float\\|int\\|string\\|false\\|null and QUI\\\\Projects\\\\Site will always evaluate to false\\.$#"
+			count: 1
+			path: src/QUI/TemplateTailwindCss/Utils.php
+
+		-
+			message: "#^Result of && is always false\\.$#"
+			count: 1
+			path: src/QUI/TemplateTailwindCss/Utils.php
+
+		-
+			message: "#^Strict comparison using \\=\\=\\= between bool and 'huhu' will always evaluate to false\\.$#"
+			count: 1
+			path: src/QUI/TemplateTailwindCss/Utils.php
+
+		-
+			message: "#^Variable \\$Project might not be defined\\.$#"
+			count: 8
+			path: src/QUI/TemplateTailwindCss/settings.css.php
diff --git a/phpstan.dist.neon b/phpstan.dist.neon
new file mode 100644
index 0000000000000000000000000000000000000000..58a61ffc72c1f40e0a78719bbd0039957efa3ccb
--- /dev/null
+++ b/phpstan.dist.neon
@@ -0,0 +1,10 @@
+includes:
+	- phpstan-baseline.neon
+
+parameters:
+    level: 5
+    paths:
+        - src
+    bootstrapFiles:
+        - tests/phpstan-bootstrap.php
+    tipsOfTheDay: false
diff --git a/phpunit.dist.xml b/phpunit.dist.xml
new file mode 100644
index 0000000000000000000000000000000000000000..f6c7becf0c12757beb871a9333e2d81e02aa7cae
--- /dev/null
+++ b/phpunit.dist.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit bootstrap="tests/phpunit-bootstrap.php">
+    <testsuites>
+        <testsuite name="Tests">
+            <directory>tests/</directory>
+        </testsuite>
+    </testsuites>
+</phpunit>
diff --git a/src/QUI/TemplateTailwindCss/Controls/Children/ListPreview.php b/src/QUI/TemplateTailwindCss/Controls/Children/ListPreview.php
index 4b653e6a1b9dac2e3afe7ed76faf59d877c058ab..68694c0c65457045cbb1b052c0d1b125f44ddb9b 100644
--- a/src/QUI/TemplateTailwindCss/Controls/Children/ListPreview.php
+++ b/src/QUI/TemplateTailwindCss/Controls/Children/ListPreview.php
@@ -148,25 +148,25 @@ public function getBody(): string
             case 'default':
             case 'simpleOrdered':
             case 'simpleUnordered':
-                $this->listCSSFile  = \dirname(__FILE__).'/ListPreview.List.'.$this->getAttribute('listTemplate').'.css';
-                $this->listHTMLFile = \dirname(__FILE__).'/ListPreview.List.'.$this->getAttribute('listTemplate').'.html';
+                $this->listCSSFile  = \dirname(__FILE__) . '/ListPreview.List.' . $this->getAttribute('listTemplate') . '.css';
+                $this->listHTMLFile = \dirname(__FILE__) . '/ListPreview.List.' . $this->getAttribute('listTemplate') . '.html';
                 break;
 
             default:
-                $this->listCSSFile  = \dirname(__FILE__).'/ListPreview.List.default.css';
-                $this->listHTMLFile = \dirname(__FILE__).'/ListPreview.List.default.html';
+                $this->listCSSFile  = \dirname(__FILE__) . '/ListPreview.List.default.css';
+                $this->listHTMLFile = \dirname(__FILE__) . '/ListPreview.List.default.html';
                 break;
         }
 
         switch ($this->getAttribute('previewTemplate')) {
             case 'circle':
-                $this->previewCSSFile  = \dirname(__FILE__).'/ListPreview.Preview.'.$this->getAttribute('previewTemplate').'.css';
-                $this->previewHTMLFile = \dirname(__FILE__).'/ListPreview.Preview.'.$this->getAttribute('previewTemplate').'.html';
+                $this->previewCSSFile  = \dirname(__FILE__) . '/ListPreview.Preview.' . $this->getAttribute('previewTemplate') . '.css';
+                $this->previewHTMLFile = \dirname(__FILE__) . '/ListPreview.Preview.' . $this->getAttribute('previewTemplate') . '.html';
                 break;
 
             default:
-                $this->previewCSSFile  = \dirname(__FILE__).'/ListPreview.Preview.circle.css';
-                $this->previewHTMLFile = \dirname(__FILE__).'/ListPreview.Preview.circle.html';
+                $this->previewCSSFile  = \dirname(__FILE__) . '/ListPreview.Preview.circle.css';
+                $this->previewHTMLFile = \dirname(__FILE__) . '/ListPreview.Preview.circle.html';
                 break;
         }
 
@@ -239,10 +239,12 @@ public function getPreview($params = []): string
     protected function setCustomTemplates()
     {
         // list template
-        if ($this->getAttribute('customListTemplate')
+        if (
+            $this->getAttribute('customListTemplate')
             && \file_exists($this->getAttribute('customListTemplate'))
         ) {
-            if ($this->getAttribute('customListCss')
+            if (
+                $this->getAttribute('customListCss')
                 && \file_exists($this->getAttribute('customListCss'))
             ) {
                 $this->listCSSFile = $this->getAttribute('customListCss');
@@ -252,10 +254,12 @@ protected function setCustomTemplates()
         }
 
         // preview template
-        if ($this->getAttribute('customPreviewTemplate')
+        if (
+            $this->getAttribute('customPreviewTemplate')
             && \file_exists($this->getAttribute('customPreviewTemplate'))
         ) {
-            if ($this->getAttribute('customPreviewCss')
+            if (
+                $this->getAttribute('customPreviewCss')
                 && \file_exists($this->getAttribute('customPreviewCss'))
             ) {
                 $this->listCSSFile = $this->getAttribute('customPreviewCss');
diff --git a/src/QUI/TemplateTailwindCss/Controls/Children/SiteListPreview.php b/src/QUI/TemplateTailwindCss/Controls/Children/SiteListPreview.php
index 6f753600907bce786269b8b5a2d4a64e6bc45301..e7cb6ecea3996cde4c7fde0b4553f3fedc6259cf 100644
--- a/src/QUI/TemplateTailwindCss/Controls/Children/SiteListPreview.php
+++ b/src/QUI/TemplateTailwindCss/Controls/Children/SiteListPreview.php
@@ -172,25 +172,25 @@ public function getBody(): string
             case 'default':
             case 'simpleOrdered':
             case 'simpleUnordered':
-                $this->listCSSFile  = \dirname(__FILE__).'/SiteListPreview.List.'.$this->getAttribute('listTemplate').'.css';
-                $this->listHTMLFile = \dirname(__FILE__).'/SiteListPreview.List.'.$this->getAttribute('listTemplate').'.html';
+                $this->listCSSFile  = \dirname(__FILE__) . '/SiteListPreview.List.' . $this->getAttribute('listTemplate') . '.css';
+                $this->listHTMLFile = \dirname(__FILE__) . '/SiteListPreview.List.' . $this->getAttribute('listTemplate') . '.html';
                 break;
 
             default:
-                $this->listCSSFile  = \dirname(__FILE__).'/SiteListPreview.List.default.css';
-                $this->listHTMLFile = \dirname(__FILE__).'/SiteListPreview.List.default.html';
+                $this->listCSSFile  = \dirname(__FILE__) . '/SiteListPreview.List.default.css';
+                $this->listHTMLFile = \dirname(__FILE__) . '/SiteListPreview.List.default.html';
                 break;
         }
 
         switch ($this->getAttribute('previewTemplate')) {
             case 'circle':
-                $this->previewCSSFile  = \dirname(__FILE__).'/SiteListPreview.Preview.'.$this->getAttribute('previewTemplate').'.css';
-                $this->previewHTMLFile = \dirname(__FILE__).'/SiteListPreview.Preview.'.$this->getAttribute('previewTemplate').'.html';
+                $this->previewCSSFile  = \dirname(__FILE__) . '/SiteListPreview.Preview.' . $this->getAttribute('previewTemplate') . '.css';
+                $this->previewHTMLFile = \dirname(__FILE__) . '/SiteListPreview.Preview.' . $this->getAttribute('previewTemplate') . '.html';
                 break;
 
             default:
-                $this->previewCSSFile  = \dirname(__FILE__).'/SiteListPreview.Preview.circle.css';
-                $this->previewHTMLFile = \dirname(__FILE__).'/SiteListPreview.Preview.circle.html';
+                $this->previewCSSFile  = \dirname(__FILE__) . '/SiteListPreview.Preview.circle.css';
+                $this->previewHTMLFile = \dirname(__FILE__) . '/SiteListPreview.Preview.circle.html';
                 break;
         }
 
@@ -279,10 +279,12 @@ protected function getSite(): QUI\Projects\Site
     protected function setCustomTemplates()
     {
         // list template
-        if ($this->getAttribute('customListTemplate')
+        if (
+            $this->getAttribute('customListTemplate')
             && \file_exists($this->getAttribute('customListTemplate'))
         ) {
-            if ($this->getAttribute('customListCss')
+            if (
+                $this->getAttribute('customListCss')
                 && \file_exists($this->getAttribute('customListCss'))
             ) {
                 $this->listCSSFile = $this->getAttribute('customListCss');
@@ -292,10 +294,12 @@ protected function setCustomTemplates()
         }
 
         // preview template
-        if ($this->getAttribute('customPreviewTemplate')
+        if (
+            $this->getAttribute('customPreviewTemplate')
             && \file_exists($this->getAttribute('customPreviewTemplate'))
         ) {
-            if ($this->getAttribute('customPreviewCss')
+            if (
+                $this->getAttribute('customPreviewCss')
                 && \file_exists($this->getAttribute('customPreviewCss'))
             ) {
                 $this->listCSSFile = $this->getAttribute('customPreviewCss');
diff --git a/src/QUI/TemplateTailwindCss/Controls/Separator.php b/src/QUI/TemplateTailwindCss/Controls/Separator.php
index b193e0a49ffac4a21f385bb00601700b22492a7c..e6ba7992596b968165b81be45eed4bb1c4e24980 100644
--- a/src/QUI/TemplateTailwindCss/Controls/Separator.php
+++ b/src/QUI/TemplateTailwindCss/Controls/Separator.php
@@ -36,7 +36,7 @@ public function __construct($attributes = [])
         parent::__construct($attributes);
 
         $this->addCSSFile(
-            dirname(__FILE__).'/Separator.css'
+            dirname(__FILE__) . '/Separator.css'
         );
     }
 
@@ -85,7 +85,7 @@ public function getBody()
             'colorScheme' => $colorScheme
         ]);
 
-        return $Engine->fetch(dirname(__FILE__).'/Separator.html');
+        return $Engine->fetch(dirname(__FILE__) . '/Separator.html');
     }
 
     /**
diff --git a/src/QUI/TemplateTailwindCss/EventHandler.php b/src/QUI/TemplateTailwindCss/EventHandler.php
index ed3a84916443cdf224a088a367441040fda04d24..0a88cd36582dc5a650e7f3b1a8f8e8a2e05ba5e6 100644
--- a/src/QUI/TemplateTailwindCss/EventHandler.php
+++ b/src/QUI/TemplateTailwindCss/EventHandler.php
@@ -1,4 +1,5 @@
 <?php
+
 /**
  * This file contains \QUI\TemplateTailwindCss\EventHandler
  */
@@ -34,10 +35,10 @@ public static function onProjectConfigSave()
     public static function onSiteSave($Site)
     {
         $Project   = $Site->getProject();
-        $cacheName = md5($Project->getName().$Project->getLang().$Site->getId());
+        $cacheName = md5($Project->getName() . $Project->getLang() . $Site->getId());
 
         try {
-            QUI\Cache\Manager::clear('quiqqer/templateTailwindCss'.$cacheName);
+            QUI\Cache\Manager::clear('quiqqer/templateTailwindCss' . $cacheName);
         } catch (QUI\Exception $Exception) {
             QUI\System\Log::writeException($Exception);
         }
diff --git a/src/QUI/TemplateTailwindCss/Utils.php b/src/QUI/TemplateTailwindCss/Utils.php
index 5bee33b7d6f84bd82ef145948279d7e222e58635..8fd7916c11a25d316ee1620a62a9a14759590c14 100644
--- a/src/QUI/TemplateTailwindCss/Utils.php
+++ b/src/QUI/TemplateTailwindCss/Utils.php
@@ -28,11 +28,11 @@ public static function getConfig($params)
         $Project   = $params['Project'];
         $Template  = $params['Template'];
         $Site      = $params['Site'];
-        $cacheName = md5($Project->getName().$Project->getLang().$Site->getId());
+        $cacheName = md5($Project->getName() . $Project->getLang() . $Site->getId());
 
         try {
             return QUI\Cache\Manager::get(
-                'quiqqer/templateTailwindCss/'.$cacheName
+                'quiqqer/templateTailwindCss/' . $cacheName
             );
         } catch (QUI\Exception $Exception) {
         }
@@ -156,13 +156,13 @@ public static function getConfig($params)
 
         $settingsCSS       = include 'settings.css.php';
         $settingsCssInline = '';
-        $binDir            = OPT_DIR.'quiqqer/template-tailwindcss/bin/css';
+        $binDir            = OPT_DIR . 'quiqqer/template-tailwindcss/bin/css';
 
         // todo mit mor besprechen
         if (is_dir($binDir) === 'huhu') {
-            file_put_contents($binDir.'/settings.css', $settingsCSS);
+            file_put_contents($binDir . '/settings.css', $settingsCSS);
         } else {
-            $settingsCssInline = '<style data-no-cache="1">'.$settingsCSS.'</style>';
+            $settingsCssInline = '<style data-no-cache="1">' . $settingsCSS . '</style>';
         }
 
         // disable title and short in site content - do not show it twice
@@ -172,7 +172,7 @@ public static function getConfig($params)
 
         $config += [
             'quiTplType'        => $Project->getConfig('templateTailwindCss.settings.standardType'),
-            'typeClass'         => 'type-'.str_replace(['/', ':'], '-', $Site->getAttribute('type')),
+            'typeClass'         => 'type-' . str_replace(['/', ':'], '-', $Site->getAttribute('type')),
             'pageTitle'         => $title,
             'pageShort'         => $short,
             'titleAndShortPos'  => $titleAndShortPos,
@@ -184,7 +184,7 @@ public static function getConfig($params)
 
         // set cache
         QUI\Cache\Manager::set(
-            'quiqqer/templateTailwindCss/'.$cacheName,
+            'quiqqer/templateTailwindCss/' . $cacheName,
             $config
         );
 
diff --git a/tests/phpstan-bootstrap.php b/tests/phpstan-bootstrap.php
new file mode 100644
index 0000000000000000000000000000000000000000..b61ff4b8300a965e0f46025ba64745a22b118e74
--- /dev/null
+++ b/tests/phpstan-bootstrap.php
@@ -0,0 +1,13 @@
+<?php
+
+if (!defined('QUIQQER_SYSTEM')) {
+    define('QUIQQER_SYSTEM', true);
+}
+
+if (!defined('QUIQQER_AJAX')) {
+    define('QUIQQER_AJAX', true);
+}
+
+putenv("QUIQQER_OTHER_AUTOLOADERS=KEEP");
+
+require_once __DIR__ . '/../../../../bootstrap.php';
diff --git a/tests/phpunit-bootstrap.php b/tests/phpunit-bootstrap.php
new file mode 100644
index 0000000000000000000000000000000000000000..eca92fd67bed8ae4ec424ed82d300119d792f042
--- /dev/null
+++ b/tests/phpunit-bootstrap.php
@@ -0,0 +1,11 @@
+<?php
+
+if (!defined('QUIQQER_SYSTEM')) {
+    define('QUIQQER_SYSTEM', true);
+}
+
+if (!defined('QUIQQER_AJAX')) {
+    define('QUIQQER_AJAX', true);
+}
+
+require_once __DIR__ . '/../../../../bootstrap.php';