diff --git a/audit.php b/audit.php
index dcbf213..a636f6b 100644
--- a/audit.php
+++ b/audit.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types = 1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/audit_functions.php b/audit_functions.php
index db65fe9..be6129d 100644
--- a/audit_functions.php
+++ b/audit_functions.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types = 1);
+
 require_once __DIR__ . '/audit_syslog.php';
 
 function audit_user_is_admin(): bool {
@@ -12,6 +14,10 @@ function audit_user_is_admin(): bool {
 function audit_process_page_data(string $page, mixed $drop_action, array $selected_items): string {
 	$objects = [];
 
+	if ($page === '') {
+		return audit_json_encode($objects);
+	}
+
 	if ($drop_action !== false) {
 		switch ($page) {
 			case 'host.php':
diff --git a/index.php b/index.php
index 828ecbe..06a9f5c 100644
--- a/index.php
+++ b/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types = 1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/locales/LC_MESSAGES/index.php b/locales/LC_MESSAGES/index.php
index 2e22b8c..a25b19c 100644
--- a/locales/LC_MESSAGES/index.php
+++ b/locales/LC_MESSAGES/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/locales/index.php b/locales/index.php
index 2e22b8c..a25b19c 100644
--- a/locales/index.php
+++ b/locales/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/setup.php b/setup.php
index 41dadc8..d806dcb 100644
--- a/setup.php
+++ b/setup.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types = 1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |