diff --git a/Admin/Routes/Web/Backend.php b/Admin/Routes/Web/Backend.php
index 8f2f3ae..fec0c97 100644
--- a/Admin/Routes/Web/Backend.php
+++ b/Admin/Routes/Web/Backend.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 
 use Modules\ResearchDevelopment\Controller\BackendController;
 use Modules\ResearchDevelopment\Models\PermissionState;
diff --git a/Theme/Backend/Lang/Navigation.en.lang.php b/Theme/Backend/Lang/Navigation.en.lang.php
index 524ec90..b2881dd 100644
--- a/Theme/Backend/Lang/Navigation.en.lang.php
+++ b/Theme/Backend/Lang/Navigation.en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/Lang/api.en.lang.php b/Theme/Backend/Lang/api.en.lang.php
index 959dc12..763b2bb 100644
--- a/Theme/Backend/Lang/api.en.lang.php
+++ b/Theme/Backend/Lang/api.en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/Lang/en.lang.php b/Theme/Backend/Lang/en.lang.php
index 3814de2..a912b7a 100644
--- a/Theme/Backend/Lang/en.lang.php
+++ b/Theme/Backend/Lang/en.lang.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
diff --git a/Theme/Backend/rnd-create.tpl.php b/Theme/Backend/rnd-create.tpl.php
index d86611e..e0ec725 100644
--- a/Theme/Backend/rnd-create.tpl.php
+++ b/Theme/Backend/rnd-create.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *
@@ -23,11 +23,11 @@ echo $this->getData('nav')->render(); ?>
                 <tr><td colspan="2"><textarea id="iDescription" name="description"></textarea><td>
                 <tr><td colspan="3"><label for="iStatus"><?= $this->getHtml('Status') ?></label>
                 <tr><td colspan="2"><select id="iStatus" name="status">
-                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::ACTIVE ); ?>"><?= $this->getHtml('Active') ?>
-                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::INACTIVE ); ?>"><?= $this->getHtml('Inactive') ?>
-                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::FINISHED ); ?>"><?= $this->getHtml('Finished') ?>
-                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::CANCELED ); ?>"><?= $this->getHtml('Canceled') ?>
-                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::HOLD ); ?>"><?= $this->getHtml('Hold') ?>
+                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::ACTIVE); ?>"><?= $this->getHtml('Active') ?>
+                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::INACTIVE); ?>"><?= $this->getHtml('Inactive') ?>
+                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::FINISHED); ?>"><?= $this->getHtml('Finished') ?>
+                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::CANCELED); ?>"><?= $this->getHtml('Canceled') ?>
+                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectStatus::HOLD); ?>"><?= $this->getHtml('Hold') ?>
                         </select><td>
                 <tr><td colspan="3"><label for="iFiles"><?= $this->getHtml('Files') ?></label>
                 <tr><td colspan="2"><input type="file" id="iFiles" name="file" multiple><td>
@@ -37,8 +37,8 @@ echo $this->getData('nav')->render(); ?>
                 <tr><td><input type="datetime-local" id="iDue" name="due"><td><input type="datetime-local" id="iDue" name="due"><td>
                 <tr><td><label for="iResponsibility"><?= $this->getHtml('Responsibility') ?></label><td><label for="iUser"><?= $this->getHtml('UserGroup') ?></label><td>
                 <tr><td><select id="iStatus" name="status">
-                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectResponsibility::MANAGER ); ?>"><?= $this->getHtml('Manager') ?>
-                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectResponsibility::OTHER ); ?>"><?= $this->getHtml('Other') ?>
+                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectResponsibility::MANAGER); ?>"><?= $this->getHtml('Manager') ?>
+                            <option value="<?= $this->printHtml(\Modules\ProjectManagement\Models\ProjectResponsibility::OTHER); ?>"><?= $this->getHtml('Other') ?>
                         </select>
                     <td><input type="text" id="iUser" name="user" placeholder=""><td><button><?= $this->getHtml('Add', 0, 0); ?></button>
                 <tr><td colspan="3"><input type="submit" value="<?= $this->getHtml('Create', 0, 0); ?>">
diff --git a/Theme/Backend/rnd-list.tpl.php b/Theme/Backend/rnd-list.tpl.php
index 79110d9..9f14907 100644
--- a/Theme/Backend/rnd-list.tpl.php
+++ b/Theme/Backend/rnd-list.tpl.php
@@ -1,4 +1,4 @@
-<?php
+<?php declare(strict_types=1);
 /**
  * Orange Management
  *