diff --git a/cronjobs/amazon.php b/cronjobs/amazon.php
index ab1b5727..8da37c3a 100644
--- a/cronjobs/amazon.php
+++ b/cronjobs/amazon.php
@@ -11,7 +11,7 @@ include_once(dirname(__DIR__)."/www/lib/class.httpclient.php");
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = (String)phpversion();
-  if($phpversion{0} == '7' && (int)$phpversion{2} > 0) $aes = '2';
+  if($phpversion[0] == '7' && (int)$phpversion[2] > 0) $aes = '2';
   if($aes == 2 && is_file(dirname(__DIR__) . "/www/lib/class.aes" . $aes . ".php")){
     include_once(dirname(__DIR__) . "/www/lib/class.aes" . $aes . ".php");
   }else
diff --git a/cronjobs/api_uebertragungen.php b/cronjobs/api_uebertragungen.php
index 178ec48c..5befc6c3 100644
--- a/cronjobs/api_uebertragungen.php
+++ b/cronjobs/api_uebertragungen.php
@@ -42,7 +42,7 @@ include_once(dirname(__DIR__) . '/www/lib/class.httpclient.php');
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = phpversion();
-  if($phpversion{0} == '7' && (int)$phpversion{2} > 0) $aes = '2';
+  if($phpversion[0] == '7' && (int)$phpversion[2] > 0) $aes = '2';
   if($aes == 2 && is_file(dirname(__DIR__) . '/www/lib/class.aes' . $aes . '.php')){
     include_once(dirname(__DIR__) . '/www/lib/class.aes' . $aes . '.php');
   }else{
diff --git a/cronjobs/artikelcache.php b/cronjobs/artikelcache.php
index 9a5c888d..d597beb1 100644
--- a/cronjobs/artikelcache.php
+++ b/cronjobs/artikelcache.php
@@ -51,7 +51,7 @@ if(!class_exists('HttpClient')){
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = phpversion();
-  if($phpversion{0} == '7' && (int)$phpversion{2} > 0) $aes = '2';
+  if($phpversion[0] == '7' && (int)$phpversion[2] > 0) $aes = '2';
   if($aes == 2 && is_file(dirname(__DIR__) . '/www/lib/class.aes'.$aes.'.php')){
     include_once(dirname(__DIR__) . '/www/lib/class.aes'.$aes.'.php');
   }else{
diff --git a/cronjobs/cleaner.php b/cronjobs/cleaner.php
index a5ead283..796a506d 100644
--- a/cronjobs/cleaner.php
+++ b/cronjobs/cleaner.php
@@ -15,7 +15,7 @@ include_once dirname(__DIR__).'/www/lib/class.httpclient.php';
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = PHP_VERSION;
-  if(strpos($phpversion,'7') ===0 && (int)$phpversion{2} > 0) {
+  if(strpos($phpversion,'7') ===0 && (int)$phpversion[2] > 0) {
     $aes = '2';
   }
   if($aes === '2' && is_file(dirname(__DIR__) . '/www/lib/class.aes' . $aes . '.php')){
diff --git a/cronjobs/coface_import.php b/cronjobs/coface_import.php
index 9278b132..b79c9397 100644
--- a/cronjobs/coface_import.php
+++ b/cronjobs/coface_import.php
@@ -15,7 +15,7 @@ if(is_file(dirname(__FILE__)."/../www/lib/class.erpapi_custom.php"))
 include_once(dirname(__FILE__)."/../www/lib/class.httpclient.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/ebay_bulkjobs.php b/cronjobs/ebay_bulkjobs.php
index 47fa2847..5fe5c955 100644
--- a/cronjobs/ebay_bulkjobs.php
+++ b/cronjobs/ebay_bulkjobs.php
@@ -20,7 +20,7 @@ if(is_file(dirname(__DIR__).'/www/lib/class.erpapi_custom.php')){
 include_once dirname(__DIR__).'/www/lib/class.httpclient.php';
 $aes = '';
 $phpversion = PHP_VERSION;
-if(strpos($phpversion,'7') === 0 && (int)$phpversion{2} > 0)
+if(strpos($phpversion,'7') === 0 && (int)$phpversion[2] > 0)
 {
   $aes = '2';
 }
diff --git a/cronjobs/etiketten.php b/cronjobs/etiketten.php
index 0767e655..7e8c4dae 100644
--- a/cronjobs/etiketten.php
+++ b/cronjobs/etiketten.php
@@ -37,7 +37,7 @@ include_once(dirname(__FILE__)."/../www/lib/class.remote.php");
 include_once(dirname(__FILE__)."/../www/lib/class.httpclient.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/event_api.php b/cronjobs/event_api.php
index 1c412b45..8c9eb55a 100644
--- a/cronjobs/event_api.php
+++ b/cronjobs/event_api.php
@@ -7,7 +7,7 @@ include_once(dirname(__FILE__)."/../www/lib/class.remote.php");
 include_once(dirname(__FILE__)."/../www/lib/class.httpclient.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/forceupdate_lagerzahlen.php b/cronjobs/forceupdate_lagerzahlen.php
index 55839d4f..564443c3 100644
--- a/cronjobs/forceupdate_lagerzahlen.php
+++ b/cronjobs/forceupdate_lagerzahlen.php
@@ -8,7 +8,7 @@ include(dirname(__FILE__)."/../www/lib/class.remote.php");
 include(dirname(__FILE__)."/../www/lib/class.httpclient.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/pdfarchiv.php b/cronjobs/pdfarchiv.php
index 75791a79..98181cbb 100644
--- a/cronjobs/pdfarchiv.php
+++ b/cronjobs/pdfarchiv.php
@@ -36,7 +36,7 @@ include_once(dirname(__FILE__)."/../www/lib/class.remote.php");
 include_once(dirname(__FILE__)."/../www/lib/class.httpclient.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/pdfarchiv_app.php b/cronjobs/pdfarchiv_app.php
index 09ddf764..9adfc9b6 100644
--- a/cronjobs/pdfarchiv_app.php
+++ b/cronjobs/pdfarchiv_app.php
@@ -66,7 +66,7 @@ if(!class_exists('HttpClient')){
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = (String)phpversion();
-  if($phpversion{0} == '7' && (int)$phpversion{2} > 0) $aes = '2';
+  if($phpversion[0] == '7' && (int)$phpversion[2] > 0) $aes = '2';
   if($aes == 2 && is_file(dirname(__DIR__) . "/www/lib/class.aes" . $aes . ".php")){
     include_once(dirname(__DIR__) . "/www/lib/class.aes" . $aes . ".php");
   }else
diff --git a/cronjobs/pdfarchiv_move.php b/cronjobs/pdfarchiv_move.php
index cdcbfac7..062b03a9 100644
--- a/cronjobs/pdfarchiv_move.php
+++ b/cronjobs/pdfarchiv_move.php
@@ -63,7 +63,7 @@ if(!class_exists('HttpClient')){
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = PHP_VERSION;
-  if(strpos($phpversion,'7' === '0') && (int)$phpversion{2} > 0) {
+  if(strpos($phpversion,'7' === '0') && (int)$phpversion[2] > 0) {
     $aes = '2';
   }
   if($aes === '2' && is_file(dirname(__DIR__) . '/www/lib/class.aes' . $aes . '.php')){
diff --git a/cronjobs/pdfmirror.php b/cronjobs/pdfmirror.php
index 528508d5..fae282e6 100644
--- a/cronjobs/pdfmirror.php
+++ b/cronjobs/pdfmirror.php
@@ -14,7 +14,7 @@ include_once(dirname(__DIR__)."/www/lib/class.remote.php");
 include_once(dirname(__DIR__)."/www/lib/class.httpclient.php");
 $aes = '';
 $phpversion = phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__DIR__)."/www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__DIR__)."/www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/produktion_berechnen.php b/cronjobs/produktion_berechnen.php
index af6836ea..d792a37c 100644
--- a/cronjobs/produktion_berechnen.php
+++ b/cronjobs/produktion_berechnen.php
@@ -21,7 +21,7 @@ if(is_file(dirname(__DIR__).'/www/lib/class.erpapi_custom.php')){
 include_once dirname(__DIR__).'/www/lib/class.httpclient.php';
 $aes = '';
 $phpversion = PHP_VERSION;
-if(strpos($phpversion,'7') === 0 && (int)$phpversion{2} > 0)
+if(strpos($phpversion,'7') === 0 && (int)$phpversion[2] > 0)
 {
   $aes = '2';
 }
diff --git a/cronjobs/remoteaddfilesubjects.php b/cronjobs/remoteaddfilesubjects.php
index 98df5e9c..4f9d3ad0 100644
--- a/cronjobs/remoteaddfilesubjects.php
+++ b/cronjobs/remoteaddfilesubjects.php
@@ -5,7 +5,7 @@ include("../lib/imap.inc.php");
 include("../lib/class.remote.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/remotesendfiles.php b/cronjobs/remotesendfiles.php
index 6a58b5c3..643e64ea 100644
--- a/cronjobs/remotesendfiles.php
+++ b/cronjobs/remotesendfiles.php
@@ -6,7 +6,7 @@ include("../webroot/lib/class.erpapi.php");
 include("../webroot/lib/class.remote.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/shop_rueckmeldungen.php b/cronjobs/shop_rueckmeldungen.php
index 8514df42..23fd0527 100644
--- a/cronjobs/shop_rueckmeldungen.php
+++ b/cronjobs/shop_rueckmeldungen.php
@@ -29,7 +29,7 @@ include_once dirname(__DIR__).'/www/lib/class.remote.php';
 include_once dirname(__DIR__).'/www/lib/class.httpclient.php';
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0) {
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0) {
   $aes = '2';
 }
 if($aes == 2 && is_file(dirname(__DIR__).'/www/lib/class.aes2.php')) {
diff --git a/cronjobs/shopexport.php b/cronjobs/shopexport.php
index 398721bc..37b527b8 100644
--- a/cronjobs/shopexport.php
+++ b/cronjobs/shopexport.php
@@ -7,7 +7,7 @@ include(dirname(__FILE__)."/../www/lib/class.remote.php");
 include(dirname(__FILE__)."/../www/lib/class.httpclient.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");
diff --git a/cronjobs/shopexport_adressexport.php b/cronjobs/shopexport_adressexport.php
index 2bb3d9ee..f2a66c45 100644
--- a/cronjobs/shopexport_adressexport.php
+++ b/cronjobs/shopexport_adressexport.php
@@ -45,7 +45,7 @@ if(!class_exists('HttpClient')){
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = PHP_VERSION;
-  if(strpos($phpversion,'7') === 0 && (int)$phpversion{2} > 0)
+  if(strpos($phpversion,'7') === 0 && (int)$phpversion[2] > 0)
   {
     $aes = '2';
   }
diff --git a/cronjobs/shopexport_voucher.php b/cronjobs/shopexport_voucher.php
index 613a6d36..41a813d5 100644
--- a/cronjobs/shopexport_voucher.php
+++ b/cronjobs/shopexport_voucher.php
@@ -20,7 +20,7 @@ if(is_file(dirname(__DIR__).'/www/lib/class.erpapi_custom.php')){
 include_once dirname(__DIR__).'/www/lib/class.httpclient.php';
 $aes = '';
 $phpversion = PHP_VERSION;
-if(strpos($phpversion,'7') === 0 && (int)$phpversion{2} > 0)
+if(strpos($phpversion,'7') === 0 && (int)$phpversion[2] > 0)
 {
   $aes = '2';
 }
diff --git a/cronjobs/shopimport.php b/cronjobs/shopimport.php
index cfe08066..083ab765 100644
--- a/cronjobs/shopimport.php
+++ b/cronjobs/shopimport.php
@@ -25,7 +25,7 @@ if(!class_exists('HttpClient')){
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = phpversion();
-  if($phpversion{0} == '7' && (int)$phpversion{2} > 0)
+  if($phpversion[0] == 7 && (int)$phpversion[2] > 0)
   {
     $aes = '2';
   }
diff --git a/cronjobs/shopimport_auftragarchiv.php b/cronjobs/shopimport_auftragarchiv.php
index a47961ed..2e22cc6b 100644
--- a/cronjobs/shopimport_auftragarchiv.php
+++ b/cronjobs/shopimport_auftragarchiv.php
@@ -45,7 +45,7 @@ if(!class_exists('HttpClient')){
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = PHP_VERSION;
-  if(strpos($phpversion,'7') === 0 && (int)$phpversion{2} > 0)
+  if(strpos($phpversion,'7') === 0 && (int)$phpversion[2] > 0)
   {
     $aes = '2';
   }
diff --git a/cronjobs/shopimporter_gruppenexport.php b/cronjobs/shopimporter_gruppenexport.php
index 86d953e2..eddf73da 100644
--- a/cronjobs/shopimporter_gruppenexport.php
+++ b/cronjobs/shopimporter_gruppenexport.php
@@ -45,7 +45,7 @@ if(!class_exists('HttpClient')){
 if(!class_exists('AES')){
   $aes = '';
   $phpversion = PHP_VERSION;
-  if(strpos($phpversion,'7') === 0 && (int)$phpversion{2} > 0)
+  if(strpos($phpversion,'7') === 0 && (int)$phpversion[2] > 0)
   {
     $aes = '2';
   }
diff --git a/cronjobs/starter.php b/cronjobs/starter.php
index cae81437..81f71fc6 100644
--- a/cronjobs/starter.php
+++ b/cronjobs/starter.php
@@ -21,7 +21,7 @@ if(is_file(dirname(__DIR__).'/www/lib/class.erpapi_custom.php')){
 include_once dirname(__DIR__).'/www/lib/class.httpclient.php';
 $aes = '';
 $phpversion = PHP_VERSION;
-if(strpos($phpversion,'7') === 0 && (int)$phpversion{2} > 0)
+if(strpos($phpversion,'7') === 0 && (int)$phpversion[2] > 0)
 {
   $aes = '2';
 }
diff --git a/cronjobs/versandmailsundrueckmeldung.php b/cronjobs/versandmailsundrueckmeldung.php
index 83edfd1c..d97ac0ec 100644
--- a/cronjobs/versandmailsundrueckmeldung.php
+++ b/cronjobs/versandmailsundrueckmeldung.php
@@ -33,7 +33,7 @@ include_once(dirname(__FILE__)."/../www/lib/class.remote.php");
 include_once(dirname(__FILE__)."/../www/lib/class.httpclient.php");
 $aes = '';
 $phpversion = (String)phpversion();
-if($phpversion{0} == '7' && (int)$phpversion{2} > 0)$aes = '2';
+if($phpversion[0] == '7' && (int)$phpversion[2] > 0)$aes = '2';
 if($aes == 2 && is_file(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php"))
 {
   include_once(dirname(__FILE__)."/../www/lib/class.aes".$aes.".php");