diff --git a/config/index.php b/config/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/config/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Config/index.php b/src/Config/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Config/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Controller/index.php b/src/Controller/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Controller/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Form/ChoiceProvider/CustomHtmlGroupChoiceProvider.php b/src/Form/ChoiceProvider/CustomHtmlGroupChoiceProvider.php
index 177c146..cb69a26 100644
--- a/src/Form/ChoiceProvider/CustomHtmlGroupChoiceProvider.php
+++ b/src/Form/ChoiceProvider/CustomHtmlGroupChoiceProvider.php
@@ -45,7 +45,7 @@ final class CustomHtmlGroupChoiceProvider implements
             'SELECT g.`id_ws_customhtml_group`, gl.`title`, g.`default_block_class`
              FROM `' . _DB_PREFIX_ . 'ws_customhtml_group` g
              LEFT JOIN `' . _DB_PREFIX_ . 'ws_customhtml_group_lang` gl
-                 ON gl.`id_ws_customhtml_group` = g.`id_ws_customhtml_group` AND gl.`id_lang` = ' . $idLang . '
+                 ON gl.`id_ws_customhtml_group` = g.`id_ws_customhtml_group` AND gl.`id_lang` = ' . (int) $idLang . '
              ORDER BY gl.`title` ASC'
         );
 
diff --git a/src/Form/ChoiceProvider/index.php b/src/Form/ChoiceProvider/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Form/ChoiceProvider/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Form/DataHandler/CustomHtmlBlockDataHandler.php b/src/Form/DataHandler/CustomHtmlBlockDataHandler.php
index fc97efc..66c7095 100644
--- a/src/Form/DataHandler/CustomHtmlBlockDataHandler.php
+++ b/src/Form/DataHandler/CustomHtmlBlockDataHandler.php
@@ -135,7 +135,7 @@ final class CustomHtmlBlockDataHandler implements FormDataHandlerInterface
     {
         $maxOrdering = Db::getInstance()->getValue(
             'SELECT MAX(`ordering`) FROM `' . _DB_PREFIX_ . 'ws_customhtml`
-             WHERE `id_ws_customhtml_group` = ' . $idGroup
+             WHERE `id_ws_customhtml_group` = ' . (int) $idGroup
         );
 
         return $maxOrdering === false || $maxOrdering === null ? 0 : ((int) $maxOrdering + 1);
diff --git a/src/Form/DataHandler/index.php b/src/Form/DataHandler/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Form/DataHandler/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Form/DataProvider/index.php b/src/Form/DataProvider/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Form/DataProvider/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Form/Type/index.php b/src/Form/Type/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Form/Type/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Form/index.php b/src/Form/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Form/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Grid/Definition/Factory/index.php b/src/Grid/Definition/Factory/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Grid/Definition/Factory/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Grid/Definition/index.php b/src/Grid/Definition/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Grid/Definition/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Grid/Filters/index.php b/src/Grid/Filters/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Grid/Filters/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Grid/Query/index.php b/src/Grid/Query/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Grid/Query/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Grid/index.php b/src/Grid/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Grid/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Model/index.php b/src/Model/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Model/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/Module/index.php b/src/Module/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/Module/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/src/index.php b/src/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/src/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/translations/index.php b/translations/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/translations/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/translations/nl-NL/index.php b/translations/nl-NL/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/translations/nl-NL/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/css/admin/index.php b/views/css/admin/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/css/admin/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/css/front/index.php b/views/css/front/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/css/front/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/css/index.php b/views/css/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/css/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/img/index.php b/views/img/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/img/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/index.php b/views/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/js/admin/index.php b/views/js/admin/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/js/admin/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/js/front/index.php b/views/js/front/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/js/front/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/js/index.php b/views/js/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/js/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/templates/admin/form/blocks/index.php b/views/templates/admin/form/blocks/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/templates/admin/form/blocks/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/templates/admin/form/index.php b/views/templates/admin/form/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/templates/admin/form/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/templates/admin/grid/index.php b/views/templates/admin/grid/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/templates/admin/grid/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/templates/admin/index.php b/views/templates/admin/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/templates/admin/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/templates/hook/index.php b/views/templates/hook/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/templates/hook/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;
diff --git a/views/templates/index.php b/views/templates/index.php
new file mode 100644
index 0000000..30c3516
--- /dev/null
+++ b/views/templates/index.php
@@ -0,0 +1,8 @@
+<?php
+header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
+header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+header('Cache-Control: no-store, no-cache, must-revalidate');
+header('Cache-Control: post-check=0, pre-check=0', false);
+header('Pragma: no-cache');
+header('Location: ../');
+exit;