From f5490119ca26160f954a505dcdefb8471806f08e Mon Sep 17 00:00:00 2001
From: Christian Mette <mette@pdir.de>
Date: Wed, 16 Aug 2023 08:06:43 +0200
Subject: [PATCH 1/2] fixes https://github.com/pdir/contao-survey/issues/42

---
 src/Resources/contao/classes/SurveyPINTAN.php | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/Resources/contao/classes/SurveyPINTAN.php b/src/Resources/contao/classes/SurveyPINTAN.php
index 5b7107c..029e860 100644
--- a/src/Resources/contao/classes/SurveyPINTAN.php
+++ b/src/Resources/contao/classes/SurveyPINTAN.php
@@ -41,7 +41,7 @@ class SurveyPINTAN extends Backend
 {
     protected $blnSave = true;
 
-    public function exportTAN(DataContainer $dc)
+    public function exportTAN(DataContainer $dc): string
     {
         if ('exporttan' !== Input::get('key')) {
             return '';
@@ -49,8 +49,7 @@ public function exportTAN(DataContainer $dc)
 
         if ('tl_survey_pin_tan' === Input::get('table')) {
             $this->redirect(Backend::addToUrl('table=tl_survey', true, ['table']));
-
-            return;
+            return '';
         }
 
         $this->loadLanguageFile('tl_survey_pin_tan');
@@ -223,7 +222,7 @@ public function createTAN(DataContainer $dc)
 
         // Create import form
         if ('tl_export_survey_pin_tan' === Input::post('FORM_SUBMIT') && $this->blnSave) {
-            $nrOfTAN = $this->Template->nrOfTAN->value;
+            $nrOfTAN = (int)$this->Template->nrOfTAN->value;
             $this->import('\Hschottm\SurveyBundle\Survey', 'svy');
 
             for ($i = 0; $i < ceil($nrOfTAN); ++$i) {

From 25e4340a0dc28e517c6848dbbc376cf7db2184c2 Mon Sep 17 00:00:00 2001
From: Christian Mette <mette@pdir.de>
Date: Wed, 16 Aug 2023 08:07:22 +0200
Subject: [PATCH 2/2] fixes https://github.com/pdir/contao-survey/issues/42

---
 src/Resources/contao/classes/SurveyPINTAN.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/Resources/contao/classes/SurveyPINTAN.php b/src/Resources/contao/classes/SurveyPINTAN.php
index 029e860..d2491e1 100644
--- a/src/Resources/contao/classes/SurveyPINTAN.php
+++ b/src/Resources/contao/classes/SurveyPINTAN.php
@@ -49,7 +49,6 @@ public function exportTAN(DataContainer $dc): string
 
         if ('tl_survey_pin_tan' === Input::get('table')) {
             $this->redirect(Backend::addToUrl('table=tl_survey', true, ['table']));
-            return '';
         }
 
         $this->loadLanguageFile('tl_survey_pin_tan');