diff --git a/Admin/Install/Navigation.php b/Admin/Install/Navigation.php
index 9a9ec41..ca6423f 100644
--- a/Admin/Install/Navigation.php
+++ b/Admin/Install/Navigation.php
@@ -38,7 +38,7 @@ class Navigation
      */
     public static function install(string $path = null, DatabasePool $dbPool = null) : void
     {
-        $navData = json_decode(file_get_contents(__DIR__ . '/Navigation.install.json'), true);
+        $navData = \json_decode(file_get_contents(__DIR__ . '/Navigation.install.json'), true);
         $class   = '\\Modules\\Navigation\\Admin\\Installer';
 
         /** @var $class \Modules\Navigation\Admin\Installer */
diff --git a/Admin/Installer.php b/Admin/Installer.php
index 95254a3..3ab2693 100644
--- a/Admin/Installer.php
+++ b/Admin/Installer.php
@@ -310,7 +310,7 @@ class Installer extends InstallerAbstract
         );
 
         $sth->bindValue(':id', $data['id'] ?? 0, \PDO::PARAM_INT);
-        $sth->bindValue(':pid', sha1(str_replace('/', '', $data['pid'] ?? '')), \PDO::PARAM_STR);
+        $sth->bindValue(':pid', sha1(\str_replace('/', '', $data['pid'] ?? '')), \PDO::PARAM_STR);
         $sth->bindValue(':name', $data['name'] ?? '', \PDO::PARAM_STR);
         $sth->bindValue(':type', $data['type'] ?? 1, \PDO::PARAM_INT);
         $sth->bindValue(':subtype', $data['subtype'] ?? 2, \PDO::PARAM_INT);
@@ -338,7 +338,7 @@ class Installer extends InstallerAbstract
         );
 
         $sth->bindValue(':id', $data['id'] ?? 0, \PDO::PARAM_INT);
-        $sth->bindValue(':pid', sha1(str_replace('/', '', $data['pid'] ?? '')), \PDO::PARAM_STR);
+        $sth->bindValue(':pid', sha1(\str_replace('/', '', $data['pid'] ?? '')), \PDO::PARAM_STR);
         $sth->bindValue(':name', $data['name'] ?? '', \PDO::PARAM_STR);
         $sth->bindValue(':type', $data['type'] ?? 1, \PDO::PARAM_INT);
         $sth->bindValue(':subtype', $data['subtype'] ?? 2, \PDO::PARAM_INT);
diff --git a/Admin/Updater.php b/Admin/Updater.php
index f99b745..51a0bab 100644
--- a/Admin/Updater.php
+++ b/Admin/Updater.php
@@ -36,7 +36,7 @@ class Updater extends UpdaterAbstract
     public static function update(DatabasePool $dbPool, InfoManager $info) : void
     {
         Directory::deletePath(__DIR__ . '/Update');
-        mkdir('Update');
+        \mkdir('Update');
         parent::update($dbPool, $info);
     }
 }
diff --git a/Controller.php b/Controller.php
index 726f585..9909ffb 100644
--- a/Controller.php
+++ b/Controller.php
@@ -457,7 +457,7 @@ final class Controller extends ModuleAbstract implements WebInterface
         }
 
         $success = $this->app->appSettings->set(
-            json_decode((string) $request->getData('settings'), true),
+            \json_decode((string) $request->getData('settings'), true),
             true
         );
 
@@ -555,7 +555,7 @@ final class Controller extends ModuleAbstract implements WebInterface
      *
      * @param RequestAbstract $request Request
      *
-     * @return array
+     * @return array<string, bool>
      *
      * @since  1.0.0
      */
@@ -738,7 +738,7 @@ final class Controller extends ModuleAbstract implements WebInterface
      *
      * @param RequestAbstract $request Request
      *
-     * @return array
+     * @return array<string, bool>
      *
      * @since  1.0.0
      */
diff --git a/Models/AccountMapper.php b/Models/AccountMapper.php
index 4c27601..7a719f8 100644
--- a/Models/AccountMapper.php
+++ b/Models/AccountMapper.php
@@ -34,7 +34,7 @@ class AccountMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array
+     * @var array<string, array<string, string|bool>>
      * @since 1.0.0
      */
     protected static $columns = [
@@ -55,7 +55,7 @@ class AccountMapper extends DataMapperAbstract
     /**
      * Has many relation.
      *
-     * @var array
+     * @var array<string, array<string, string>>
      * @since 1.0.0
      */
     protected static $hasMany = [
diff --git a/Models/AccountPermissionMapper.php b/Models/AccountPermissionMapper.php
index 1133ec2..7bf90d3 100644
--- a/Models/AccountPermissionMapper.php
+++ b/Models/AccountPermissionMapper.php
@@ -30,7 +30,7 @@ class AccountPermissionMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array
+     * @var array<string, array<string, string>>
      * @since 1.0.0
      */
     protected static $columns = [
diff --git a/Models/GroupMapper.php b/Models/GroupMapper.php
index 776d075..db5dfcf 100644
--- a/Models/GroupMapper.php
+++ b/Models/GroupMapper.php
@@ -30,7 +30,7 @@ class GroupMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array
+     * @var array<string, array<string, string>>
      * @since 1.0.0
      */
     protected static $columns = [
diff --git a/Models/GroupPermissionMapper.php b/Models/GroupPermissionMapper.php
index d04956f..bbbe6c7 100644
--- a/Models/GroupPermissionMapper.php
+++ b/Models/GroupPermissionMapper.php
@@ -30,7 +30,7 @@ class GroupPermissionMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array
+     * @var array<string, array<string, string>>
      * @since 1.0.0
      */
     protected static $columns = [
diff --git a/Models/Module.php b/Models/Module.php
index e330699..8d62a7f 100644
--- a/Models/Module.php
+++ b/Models/Module.php
@@ -189,13 +189,13 @@ class Module
      */
     public function __toString()
     {
-        return json_encode($this->toArray());
+        return \json_encode($this->toArray());
     }
 
     /**
      * Json serialize.
      *
-     * @return string
+     * @return array<string, string|int>
      *
      * @since  1.0.0
      */
@@ -207,7 +207,7 @@ class Module
     /**
      * To array
      *
-     * @return array
+     * @return array<string, string|int>
      *
      * @since  1.0.0
      */
diff --git a/Models/ModuleMapper.php b/Models/ModuleMapper.php
index d66862d..acb994b 100644
--- a/Models/ModuleMapper.php
+++ b/Models/ModuleMapper.php
@@ -30,7 +30,7 @@ class ModuleMapper extends DataMapperAbstract
     /**
      * Columns.
      *
-     * @var array
+     * @var array<string, array<string, string>>
      * @since 1.0.0
      */
     protected static $columns = [
diff --git a/Theme/Backend/modules-list.tpl.php b/Theme/Backend/modules-list.tpl.php
index fd32498..0eac27c 100644
--- a/Theme/Backend/modules-list.tpl.php
+++ b/Theme/Backend/modules-list.tpl.php
@@ -41,9 +41,9 @@ $installed = $this->app->moduleManager->getInstalledModules();
                     <td data-label="<?= $this->getHtml('ID', 0, 0) ?>"><a href="<?= $url; ?>"><?= $this->printHtml($module['name']['id']); ?></a>
                     <td data-label="<?= $this->getHtml('Name') ?>"><a href="<?= $url; ?>"><?= $this->printHtml($module['name']['external']); ?></a>
                     <td data-label="<?= $this->getHtml('Version') ?>"><a href="<?= $url; ?>"><?= $this->printHtml($module['version']); ?></a>
-                    <td data-label="<?= $this->getHtml('Status') ?>"><a href="<?= $url; ?>"><?php if (in_array($module['name']['internal'], $active))
+                    <td data-label="<?= $this->getHtml('Status') ?>"><a href="<?= $url; ?>"><?php if (\in_array($module['name']['internal'], $active))
                             echo strtolower($this->getHtml('Active'));
-                        elseif (in_array($module['name']['internal'], $installed))
+                        elseif (\in_array($module['name']['internal'], $installed))
                             echo strtolower($this->getHtml('Inactive'));
                         else
                             echo strtolower($this->getHtml('Available')); ?></a>
diff --git a/Theme/Backend/modules-single.tpl.php b/Theme/Backend/modules-single.tpl.php
index 794d230..8d9fb11 100644
--- a/Theme/Backend/modules-single.tpl.php
+++ b/Theme/Backend/modules-single.tpl.php
@@ -46,7 +46,7 @@ $id = (string) $this->request->getData('id') ?? 1;
                         <td><?= $this->printHtml($modules[$id]['description'] ); ?>
                     <tr>
                         <td colspan="2">
-                            <?php if (in_array($id, $active)) : ?>
+                            <?php if (\in_array($id, $active)) : ?>
                                 <button id="iModuleDeactivateButton" data-action='[
                                     {
                                         "key": 1, "listener": "click", "action": [
@@ -54,7 +54,7 @@ $id = (string) $this->request->getData('id') ?? 1;
                                         ]
                                     }
                                 ]'><?= $this->getHtml('Deactivate'); ?></button>
-                            <?php elseif (in_array($id, $installed)) : ?>
+                            <?php elseif (\in_array($id, $installed)) : ?>
                                 <button id="iModuleUninstallButton" data-action='[
                                     {
                                         "key": 1, "listener": "click", "action": [