diff --git a/.gitignore b/.gitignore
index eb71606..32791f0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@
 # +-------------------------------------------------------------------------+
 
 locales/po/*.mo
+.omc/
diff --git a/cli_import.php b/cli_import.php
index f799ad7..cec184b 100644
--- a/cli_import.php
+++ b/cli_import.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/cli_thresholds.php b/cli_thresholds.php
index edbd782..a42093e 100644
--- a/cli_thresholds.php
+++ b/cli_thresholds.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/extras/apply_realms.php b/extras/apply_realms.php
index d5cece8..546f8de 100644
--- a/extras/apply_realms.php
+++ b/extras/apply_realms.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/extras/index.php b/extras/index.php
index 828ecbe..d1f768b 100644
--- a/extras/index.php
+++ b/extras/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/extras/upgrade.php b/extras/upgrade.php
index 820d7cf..9c72068 100644
--- a/extras/upgrade.php
+++ b/extras/upgrade.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/images/index.php b/images/index.php
index 828ecbe..d1f768b 100644
--- a/images/index.php
+++ b/images/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/includes/arrays.php b/includes/arrays.php
index 56c70c6..dbdd03c 100644
--- a/includes/arrays.php
+++ b/includes/arrays.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/includes/database.php b/includes/database.php
index 279aff6..594565a 100644
--- a/includes/database.php
+++ b/includes/database.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/includes/index.php b/includes/index.php
index 828ecbe..d1f768b 100644
--- a/includes/index.php
+++ b/includes/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/includes/polling.php b/includes/polling.php
index 273c284..2481be7 100644
--- a/includes/polling.php
+++ b/includes/polling.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/includes/settings.php b/includes/settings.php
index 4818b39..868f71a 100644
--- a/includes/settings.php
+++ b/includes/settings.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/includes/tab.php b/includes/tab.php
index 331806e..eb66904 100644
--- a/includes/tab.php
+++ b/includes/tab.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/index.php b/index.php
index 828ecbe..d1f768b 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 828ecbe..d1f768b 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 828ecbe..d1f768b 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/locales/po/index.php b/locales/po/index.php
index 828ecbe..d1f768b 100644
--- a/locales/po/index.php
+++ b/locales/po/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/notify_lists.php b/notify_lists.php
index 016e01d..e4af990 100644
--- a/notify_lists.php
+++ b/notify_lists.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/notify_queue.php b/notify_queue.php
index 12f2464..5497ac3 100644
--- a/notify_queue.php
+++ b/notify_queue.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/poller_thold.php b/poller_thold.php
index b0550c9..fe14b5b 100644
--- a/poller_thold.php
+++ b/poller_thold.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/service/index.php b/service/index.php
index 828ecbe..d1f768b 100644
--- a/service/index.php
+++ b/service/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/service/systemd/index.php b/service/systemd/index.php
index 828ecbe..d1f768b 100644
--- a/service/systemd/index.php
+++ b/service/systemd/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 b9aedfc..7e44d71 100644
--- a/setup.php
+++ b/setup.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/themes/classic/index.php b/themes/classic/index.php
index 828ecbe..d1f768b 100644
--- a/themes/classic/index.php
+++ b/themes/classic/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/themes/dark/index.php b/themes/dark/index.php
index 828ecbe..d1f768b 100644
--- a/themes/dark/index.php
+++ b/themes/dark/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/themes/index.php b/themes/index.php
index 828ecbe..d1f768b 100644
--- a/themes/index.php
+++ b/themes/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/themes/modern/index.php b/themes/modern/index.php
index 828ecbe..d1f768b 100644
--- a/themes/modern/index.php
+++ b/themes/modern/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/themes/paper-plane/index.php b/themes/paper-plane/index.php
index 828ecbe..d1f768b 100644
--- a/themes/paper-plane/index.php
+++ b/themes/paper-plane/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/themes/paw/index.php b/themes/paw/index.php
index 828ecbe..d1f768b 100644
--- a/themes/paw/index.php
+++ b/themes/paw/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/themes/sunrise/index.php b/themes/sunrise/index.php
index 828ecbe..d1f768b 100644
--- a/themes/sunrise/index.php
+++ b/themes/sunrise/index.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/thold.php b/thold.php
index 0bf86f4..e4877f0 100644
--- a/thold.php
+++ b/thold.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/thold_functions.php b/thold_functions.php
index fc100b8..10a1bac 100644
--- a/thold_functions.php
+++ b/thold_functions.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/thold_graph.php b/thold_graph.php
index 619f2ee..06df0b6 100644
--- a/thold_graph.php
+++ b/thold_graph.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/thold_notify.php b/thold_notify.php
index b16749c..2d0d4e9 100644
--- a/thold_notify.php
+++ b/thold_notify.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/thold_process.php b/thold_process.php
index b04857e..80b8cd5 100644
--- a/thold_process.php
+++ b/thold_process.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/thold_templates.php b/thold_templates.php
index ea379ef..2cae07b 100644
--- a/thold_templates.php
+++ b/thold_templates.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |
diff --git a/thold_webapi.php b/thold_webapi.php
index 25ff3b9..2da9665 100644
--- a/thold_webapi.php
+++ b/thold_webapi.php
@@ -1,4 +1,6 @@
 <?php
+
+declare(strict_types=1);
 /*
  +-------------------------------------------------------------------------+
  | Copyright (C) 2004-2026 The Cacti Group                                 |