diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index e24b232..3bcc0c8 100644
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -135,7 +135,7 @@ final class ApiController extends Controller
             default:
                 $response->getHeader()->set('Content-Type', 'text/html; charset=utf-8');
                 // todo: use html template here instead which uses the tcoll/template!!!
-                $view->setTemplate(\substr($view->getData('tcoll')['template']->getPath(), 0, -8));
+                $view->setTemplate('/' . \substr($view->getData('tcoll')['template']->getPath(), 0, -8));
         }
     }
 
@@ -161,12 +161,19 @@ final class ApiController extends Controller
             $lowerPath = \strtolower($tMedia->getPath());
 
             if (StringUtils::endsWith($lowerPath, '.lang.php')) {
-                $tcoll['lang'][$tMedia->getName()] = $tMedia;
-            } elseif (StringUtils::endsWith($lowerPath, '.xlsx.php') || StringUtils::endsWith($lowerPath, '.xls.php')) {
+                $language                 = \explode('.', $lowerPath)[0];
+                $tcoll['lang'][$language] = $tMedia;
+            } elseif (StringUtils::endsWith($lowerPath, '.xlsx.php')
+                || StringUtils::endsWith($lowerPath, '.xls.php')
+            ) {
                 $tcoll['excel'][$tMedia->getName()] = $tMedia;
-            } elseif (StringUtils::endsWith($lowerPath, '.docx.php') || StringUtils::endsWith($lowerPath, '.doc.php')) {
+            } elseif (StringUtils::endsWith($lowerPath, '.docx.php')
+                || StringUtils::endsWith($lowerPath, '.doc.php')
+            ) {
                 $tcoll['word'][$tMedia->getName()] = $tMedia;
-            } elseif (StringUtils::endsWith($lowerPath, '.pptx.php') || StringUtils::endsWith($lowerPath, '.ppt.php')) {
+            } elseif (StringUtils::endsWith($lowerPath, '.pptx.php')
+                || StringUtils::endsWith($lowerPath, '.ppt.php')
+            ) {
                 $tcoll['powerpoint'][$tMedia->getName()] = $tMedia;
             } elseif (StringUtils::endsWith($lowerPath, '.pdf.php')) {
                 $tcoll['pdf'][$tMedia->getName()] = $tMedia;
@@ -194,7 +201,7 @@ final class ApiController extends Controller
             );
 
             $rcoll  = [];
-            $report = end($report);
+            $report = \end($report);
             $report = $report === false ? new NullReport() : $report;
 
             if (!($report instanceof NullReport)) {
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 2e3f8ca..d58d61a 100644
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -149,7 +149,7 @@ final class BackendController extends Controller
         $files = $template->getSource()->getSources();
 
         foreach ($files as $tMedia) {
-            $lowerPath = strtolower($tMedia->getPath());
+            $lowerPath = \strtolower($tMedia->getPath());
 
             if (StringUtils::endsWith($lowerPath, '.lang.php')) {
                 $tcoll['lang'] = $tMedia;
@@ -192,7 +192,7 @@ final class BackendController extends Controller
             );
 
             $rcoll  = [];
-            $report = end($report);
+            $report = \end($report);
             $report = $report === false ? new NullReport() : $report;
 
             if (!($report instanceof NullReport)) {
diff --git a/Models/Template.php b/Models/Template.php
index ad03819..be60e94 100644
--- a/Models/Template.php
+++ b/Models/Template.php
@@ -144,7 +144,7 @@ class Template implements \JsonSerializable
     public function getNewestReport() : Report
     {
         if (!empty($this->reports)) {
-            return end($this->reports());
+            return \end($this->reports());
         }
 
         return new NullReport();
diff --git a/Theme/Backend/helper-list.tpl.php b/Theme/Backend/helper-list.tpl.php
index 6ce78a5..6ebca97 100644
--- a/Theme/Backend/helper-list.tpl.php
+++ b/Theme/Backend/helper-list.tpl.php
@@ -19,9 +19,9 @@ $templates = $this->getData('reports');
 $footerView = new \phpOMS\Views\PaginationView($this->app, $this->request, $this->response);
 $footerView->setTemplate('/Web/Templates/Lists/Footer/PaginationBig');
 
-$footerView->setPages(count($templates) / 25);
+$footerView->setPages(\count($templates) / 25);
 $footerView->setPage(1);
-$footerView->setResults(count($templates));
+$footerView->setResults(\count($templates));
 
 echo $this->getData('nav')->render(); ?>
 
@@ -40,7 +40,7 @@ echo $this->getData('nav')->render(); ?>
                 <tr>
                     <td colspan="4">
                 <tbody>
-                <?php if (count($templates) == 0) : ?>
+                <?php if (\count($templates) == 0) : ?>
                 <tr class="empty">
                     <td colspan="4"><?= $this->getHtml('Empty', 0, 0); ?>
                         <?php endif; ?>
diff --git a/Theme/Backend/helper-single.tpl.php b/Theme/Backend/helper-single.tpl.php
index f3d1d1c..cc3b536 100644
--- a/Theme/Backend/helper-single.tpl.php
+++ b/Theme/Backend/helper-single.tpl.php
@@ -28,12 +28,12 @@ echo $this->getData('nav')->render(); ?>
 <div class="row" style="height: calc(100% - 85px);">
     <div class="col-xs-12">
         <div class="box wf-100" style="height: 100%;">
-            <iframe src="<?= \phpOMS\Uri\UriFactory::build('{/prefix}helper/report/export/?id=' . $template->getId()); ?>" allowfullscreen></iframe>
+            <iframe src="<?= \phpOMS\Uri\UriFactory::build('{/api}helper/report/export/?id=' . $template->getId()); ?>" allowfullscreen></iframe>
         </div>
     </div>
 <!--
     <div class="col-xs-12 col-md-3">
-        <?php if (count($reportLanguage) > 1) : ?>
+        <?php if (\count($reportLanguage) > 1) : ?>
         <section class="box wf-100">
             <header><h1><?= $this->getHtml('Reports') ?></h1></header>
 
@@ -41,7 +41,7 @@ echo $this->getData('nav')->render(); ?>
                 <form action="<?= \phpOMS\Uri\UriFactory::build('{/api}helper/template'); ?>" method="post">
                     <table class="layout wf-100">
                         <tbody>
-                        <?php if (count($reportLanguage) > 1) : ?>
+                        <?php if (\count($reportLanguage) > 1) : ?>
                         <tr>
                             <td><label for="iLang"><?= $this->getHtml('Language'); ?></label>
                         <tr>