diff --git a/.github/workflows/analyse.yaml b/.github/workflows/analyse.yaml
new file mode 100644
index 00000000..e0ae6755
--- /dev/null
+++ b/.github/workflows/analyse.yaml
@@ -0,0 +1,36 @@
+name: Static analysis
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  phpstan:
+    name: PHPStan
+    runs-on: ubuntu-20.04
+    
+    # 'push' runs on inner branches, 'pull_request' will run only on outer PRs
+    if: >
+      github.event_name == 'push'
+      || (github.event_name == 'pull_request'
+          && github.event.pull_request.head.repo.full_name != github.repository)
+
+    steps:
+      - name: Code Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build and start Docker container
+        working-directory: install/automated/docker
+        run: |
+          docker build -t openvk ../../.. -f openvk.Dockerfile
+
+      - name: Run Docker container with PHPStan
+        working-directory: install/automated/docker
+        run: |
+          docker container run --rm \
+            -v ./chandler.example.yml:/opt/chandler/chandler.yml \
+            -v ./openvk.example.yml:/opt/chandler/extensions/available/openvk/openvk.yml \
+            openvk vendor/bin/phpstan analyse --memory-limit 1G
diff --git a/CLI/FetchToncoinTransactions.php b/CLI/FetchToncoinTransactions.php
index 9de2c998..8342197f 100755
--- a/CLI/FetchToncoinTransactions.php
+++ b/CLI/FetchToncoinTransactions.php
@@ -18,6 +18,7 @@ define("NANOTON", 1000000000);
 class FetchToncoinTransactions extends Command
 {
     private $images;
+    private $transactions;
 
     protected static $defaultName = "fetch-ton";
 
diff --git a/ServiceAPI/Wall.php b/ServiceAPI/Wall.php
index 4066d4f3..db6c32b6 100644
--- a/ServiceAPI/Wall.php
+++ b/ServiceAPI/Wall.php
@@ -13,6 +13,7 @@ class Wall implements Handler
     protected $user;
     protected $posts;
     protected $notes;
+    protected $videos;
 
     public function __construct(?User $user)
     {
diff --git a/VKAPI/Handlers/Board.php b/VKAPI/Handlers/Board.php
index f2f3ec76..28328586 100644
--- a/VKAPI/Handlers/Board.php
+++ b/VKAPI/Handlers/Board.php
@@ -248,8 +248,9 @@ final class Board extends VKAPIRequestHandler
         return 1;
     }
 
-    public function editComment(int $comment_id, int $group_id = 0, int $topic_id = 0, string $message, string $attachments)
+    public function editComment(string $message, string $attachments, int $comment_id, int $group_id = 0, int $topic_id = 0)
     {
+        # FIXME
         /*
         $this->requireUser();
         $this->willExecuteWriteAction();
diff --git a/VKAPI/Handlers/Groups.php b/VKAPI/Handlers/Groups.php
index baf78210..28ccf11a 100644
--- a/VKAPI/Handlers/Groups.php
+++ b/VKAPI/Handlers/Groups.php
@@ -45,7 +45,7 @@ final class Groups extends VKAPIRequestHandler
             $clbsCount = $user->getClubCount();
         }
 
-        $rClubs;
+        $rClubs = array();
 
         $ic = sizeof($clbs);
         if (sizeof($clbs) > $count) {
diff --git a/VKAPI/Handlers/Newsfeed.php b/VKAPI/Handlers/Newsfeed.php
index 346d5312..334fe71b 100644
--- a/VKAPI/Handlers/Newsfeed.php
+++ b/VKAPI/Handlers/Newsfeed.php
@@ -52,7 +52,7 @@ final class Newsfeed extends VKAPIRequestHandler
         return $response;
     }
 
-    public function getGlobal(string $fields = "", int $start_from = 0, int $start_time = 0, int $end_time = 0, int $offset = 0, int $count = 30, int $extended = 0, int $rss = 0)
+    public function getGlobal(string $fields = "", int $start_from = 0, int $start_time = 0, int $end_time = 0, int $offset = 0, int $count = 30, int $extended = 0, int $rss = 0, int $return_banned = 0) 
     {
         $this->requireUser();
 
diff --git a/VKAPI/Handlers/Notes.php b/VKAPI/Handlers/Notes.php
index cdf5aa45..bde9df75 100644
--- a/VKAPI/Handlers/Notes.php
+++ b/VKAPI/Handlers/Notes.php
@@ -185,12 +185,14 @@ final class Notes extends VKAPIRequestHandler
             $this->fail(15, "Access denied");
         }
 
+        $nodez = (object) [
+            "count" => 0,
+            "notes" => [],
+        ];
         if (empty($note_ids)) {
+            $nodez->count = (new NotesRepo())->getUserNotesCount($user);
+
             $notes = array_slice(iterator_to_array((new NotesRepo())->getUserNotes($user, 1, $count + $offset, $sort == 0 ? "ASC" : "DESC")), $offset);
-            $nodez = (object) [
-                "count" => (new NotesRepo())->getUserNotesCount((new UsersRepo())->get($user_id)),
-                "notes" => [],
-            ];
 
             foreach ($notes as $note) {
                 if ($note->isDeleted()) {
@@ -210,6 +212,7 @@ final class Notes extends VKAPIRequestHandler
                 $note = (new NotesRepo())->getNoteById((int) $id[0], (int) $id[1]);
                 if ($note && !$note->isDeleted()) {
                     $nodez->notes[] = $note->toVkApiStruct();
+                    $nodez->count++;
                 }
             }
         }
diff --git a/VKAPI/Handlers/VKAPIRequestHandler.php b/VKAPI/Handlers/VKAPIRequestHandler.php
index b67c4797..4804a8dd 100644
--- a/VKAPI/Handlers/VKAPIRequestHandler.php
+++ b/VKAPI/Handlers/VKAPIRequestHandler.php
@@ -20,7 +20,7 @@ abstract class VKAPIRequestHandler
         $this->platform = $platform;
     }
 
-    protected function fail(int $code, string $message): void
+    protected function fail(int $code, string $message): never
     {
         throw new APIErrorException($message, $code);
     }
diff --git a/bootstrap.php b/bootstrap.php
index 42241ca4..3fac8214 100644
--- a/bootstrap.php
+++ b/bootstrap.php
@@ -478,8 +478,8 @@ return (function () {
     define('YEAR', 365 * DAY);
 
     define("nullptr", null);
-    define("OPENVK_DEFAULT_INSTANCE_NAME", "OpenVK", false);
-    define("OPENVK_VERSION", "Altair Preview ($ver)", false);
-    define("OPENVK_DEFAULT_PER_PAGE", 10, false);
-    define("__OPENVK_ERROR_CLOCK_IN_FUTURE", "Server clock error: FK1200-DTF", false);
+    define("OPENVK_DEFAULT_INSTANCE_NAME", "OpenVK");
+    define("OPENVK_VERSION", "Altair Preview ($ver)");
+    define("OPENVK_DEFAULT_PER_PAGE", 10);
+    define("__OPENVK_ERROR_CLOCK_IN_FUTURE", "Server clock error: FK1200-DTF");
 });
diff --git a/chandler_loader.php b/chandler_loader.php
new file mode 100644
index 00000000..7566aecc
--- /dev/null
+++ b/chandler_loader.php
@@ -0,0 +1,10 @@
+#!/usr/bin/env php
+<?php
+
+declare(strict_types=1);
+
+namespace openvk;
+
+$_SERVER["HTTP_ACCEPT_LANGUAGE"] = false;
+$bootstrap = require(__DIR__ . "/../../../chandler/Bootstrap.php");
+$bootstrap->ignite(true);
diff --git a/composer.json b/composer.json
index 1020a4f7..8148e237 100644
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,8 @@
 {
     "scripts": {
         "fix": "php-cs-fixer fix",
-        "lint": "php-cs-fixer fix --dry-run --diff --verbose"
+        "lint": "php-cs-fixer fix --dry-run --diff --verbose",
+        "analyse": "phpstan analyse --memory-limit 1G"
     },
     "require": {
         "php": "~7.3||~8.1",
@@ -28,6 +29,7 @@
     },
     "minimum-stability": "beta",
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.68"
+        "friendsofphp/php-cs-fixer": "^3.68",
+        "phpstan/phpstan": "^2.1"
     }
 }
diff --git a/composer.lock b/composer.lock
index 3e7e2d72..9b27d119 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "b92d2ddd207f394a31c429c65d1785a7",
+    "content-hash": "fe88a04383a75cc5c6591abac3128201",
     "packages": [
         {
             "name": "al/emoji-detector",
@@ -3092,6 +3092,64 @@
             ],
             "time": "2025-01-30T17:00:50+00:00"
         },
+        {
+            "name": "phpstan/phpstan",
+            "version": "2.1.2",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/phpstan/phpstan.git",
+                "reference": "7d08f569e582ade182a375c366cbd896eccadd3a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/7d08f569e582ade182a375c366cbd896eccadd3a",
+                "reference": "7d08f569e582ade182a375c366cbd896eccadd3a",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^7.4|^8.0"
+            },
+            "conflict": {
+                "phpstan/phpstan-shim": "*"
+            },
+            "bin": [
+                "phpstan",
+                "phpstan.phar"
+            ],
+            "type": "library",
+            "autoload": {
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "description": "PHPStan - PHP Static Analysis Tool",
+            "keywords": [
+                "dev",
+                "static analysis"
+            ],
+            "support": {
+                "docs": "https://phpstan.org/user-guide/getting-started",
+                "forum": "https://github.com/phpstan/phpstan/discussions",
+                "issues": "https://github.com/phpstan/phpstan/issues",
+                "security": "https://github.com/phpstan/phpstan/security/policy",
+                "source": "https://github.com/phpstan/phpstan-src"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/ondrejmirtes",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/phpstan",
+                    "type": "github"
+                }
+            ],
+            "time": "2025-01-21T14:54:06+00:00"
+        },
         {
             "name": "psr/event-dispatcher",
             "version": "1.0.0",
diff --git a/openvkctl b/openvkctl
index 1ed5f3be..39edfecf 100755
--- a/openvkctl
+++ b/openvkctl
@@ -7,9 +7,7 @@ namespace openvk;
 
 use Symfony\Component\Console\Application;
 
-$_SERVER["HTTP_ACCEPT_LANGUAGE"] = false;
-$bootstrap = require(__DIR__ . "/../../../chandler/Bootstrap.php");
-$bootstrap->ignite(true);
+require(__DIR__ . "/chandler_loader.php");
 
 $application = new Application();
 $application->add(new CLI\RebuildImagesCommand());
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 00000000..4831b315
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,14 @@
+parameters:
+    level: 0
+    paths:
+        - CLI
+        - ServiceAPI
+        - VKAPI
+        - Web
+        - bootstrap.php
+        - openvkctl
+        - chandler_loader.php
+    
+    bootstrapFiles:
+        - chandler_loader.php
+        - bootstrap.php