diff --git a/inc/database.php b/inc/database.php
index 9ecc388..077baf3 100644
--- a/inc/database.php
+++ b/inc/database.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class Database {
     public static $TRUE = "1", $FALSE = "0";
 
diff --git a/inc/header.php b/inc/header.php
index c123171..722fda7 100644
--- a/inc/header.php
+++ b/inc/header.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class Header {
 /**
  * @param $page Page
diff --git a/inc/page.php b/inc/page.php
index cbfe185..0f0a1db 100644
--- a/inc/page.php
+++ b/inc/page.php
@@ -1,6 +1,7 @@
 <?php
 require_once './inc/init.php';
 
+#[AllowDynamicProperties]
 class Page {
     public function __construct($name, $header = true, $connect = true) {
         $this->time = microtime(true);
diff --git a/inc/settings.php b/inc/settings.php
index 6a6aeb1..fdf9995 100644
--- a/inc/settings.php
+++ b/inc/settings.php
@@ -1,5 +1,5 @@
 <?php
-
+#[AllowDynamicProperties]
 class Settings {
     public function __construct() {
         // Web interface language. Languages are stored in the "lang/" directory.
diff --git a/info.php b/info.php
index 49f7562..684d3ef 100644
--- a/info.php
+++ b/info.php
@@ -1,6 +1,7 @@
 <?php
 require_once './inc/page.php';
 
+#[AllowDynamicProperties]
 abstract class Info {
     /**
      * @param $row PDO::PDORow
diff --git a/lang/cs_CZ.utf8.php b/lang/cs_CZ.utf8.php
index b5ec745..d504c5d 100755
--- a/lang/cs_CZ.utf8.php
+++ b/lang/cs_CZ.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class cs_CZ {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/da_DK.utf8.php b/lang/da_DK.utf8.php
index 44cc6b5..e785014 100755
--- a/lang/da_DK.utf8.php
+++ b/lang/da_DK.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class da_DK {
     public function __construct() {
         $this->version = 0;
diff --git a/lang/de_DE.utf8.php b/lang/de_DE.utf8.php
index 0f32f87..237c8b5 100755
--- a/lang/de_DE.utf8.php
+++ b/lang/de_DE.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class de_DE {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/en_US.utf8.php b/lang/en_US.utf8.php
index d43d97d..8136a57 100755
--- a/lang/en_US.utf8.php
+++ b/lang/en_US.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class en_US {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/es_ES.utf8.php b/lang/es_ES.utf8.php
index 118d6cb..5b34284 100755
--- a/lang/es_ES.utf8.php
+++ b/lang/es_ES.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class es_ES {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/fr_FR.utf8.php b/lang/fr_FR.utf8.php
index 4d5b1ed..7c7f985 100755
--- a/lang/fr_FR.utf8.php
+++ b/lang/fr_FR.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class fr_FR {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/hu_HU.utf8.php b/lang/hu_HU.utf8.php
index d676ddd..a5c6ce4 100755
--- a/lang/hu_HU.utf8.php
+++ b/lang/hu_HU.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class hu_HU {
     public function __construct() {
         $this->version = 1;
diff --git a/lang/it_IT.utf8.php b/lang/it_IT.utf8.php
index b6ee99e..8858d0f 100755
--- a/lang/it_IT.utf8.php
+++ b/lang/it_IT.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class it_IT {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/ja_JP.utf8.php b/lang/ja_JP.utf8.php
index 12800d6..4ae8e46 100755
--- a/lang/ja_JP.utf8.php
+++ b/lang/ja_JP.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class ja_JP {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/nb_NO.utf8.php b/lang/nb_NO.utf8.php
index 42bdf88..efbbf0a 100755
--- a/lang/nb_NO.utf8.php
+++ b/lang/nb_NO.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class nb_NO {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/nl_NL.utf8.php b/lang/nl_NL.utf8.php
index c979cab..8439cc4 100755
--- a/lang/nl_NL.utf8.php
+++ b/lang/nl_NL.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class nl_NL {
     public function __construct() {
         $this->version = 0;
diff --git a/lang/pl_PL.utf8.php b/lang/pl_PL.utf8.php
index a60f453..4de18bb 100755
--- a/lang/pl_PL.utf8.php
+++ b/lang/pl_PL.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class pl_PL {
     public function __construct() {
         $this->version = 1;
diff --git a/lang/pt_PT.utf8.php b/lang/pt_PT.utf8.php
index 2ba9954..480f203 100644
--- a/lang/pt_PT.utf8.php
+++ b/lang/pt_PT.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class pt_PT {
     public function __construct() {
         $this->version = 1;
diff --git a/lang/ru_RU.utf8.php b/lang/ru_RU.utf8.php
index b508093..aa1d441 100755
--- a/lang/ru_RU.utf8.php
+++ b/lang/ru_RU.utf8.php
@@ -4,6 +4,7 @@
 // Поправил CXMorgan
 // Corrected by CXMorgan
 
+#[AllowDynamicProperties]
 class ru_RU {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/sk_SK.utf8.php b/lang/sk_SK.utf8.php
index 95f70dc..fe5b7d5 100755
--- a/lang/sk_SK.utf8.php
+++ b/lang/sk_SK.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class sk_SK {
     public function __construct() {
         $this->version = 1;
diff --git a/lang/tr_TR.utf8.php b/lang/tr_TR.utf8.php
index 8b629c2..dd659da 100644
--- a/lang/tr_TR.utf8.php
+++ b/lang/tr_TR.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class tr_TR {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/zh_CN.utf8.php b/lang/zh_CN.utf8.php
index 8f181e9..a9536b5 100755
--- a/lang/zh_CN.utf8.php
+++ b/lang/zh_CN.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class zh_CN {
     public function __construct() {
         $this->version = 2;
diff --git a/lang/zh_HK.utf8.php b/lang/zh_HK.utf8.php
index b1147f7..b89ce5a 100755
--- a/lang/zh_HK.utf8.php
+++ b/lang/zh_HK.utf8.php
@@ -1,5 +1,6 @@
 <?php
 
+#[AllowDynamicProperties]
 class zh_HK {
     public function __construct() {
         $this->version = 2;