From 96c337d34da76e8eb3c8e79447c83a9542909163 Mon Sep 17 00:00:00 2001
From: Samuel Weirich <4281791+SamuelWei@users.noreply.github.com>
Date: Tue, 21 Jul 2026 10:57:18 +0200
Subject: [PATCH 1/7] Drop php8.1, change to min php 8.2

---
 .github/workflows/ci.yml     | 12 ++++++------
 .gitignore                   |  2 +-
 README.md                    |  6 +++---
 composer.json                | 10 +++++-----
 tools/.phpstan/composer.json |  2 +-
 tools/.phpstan/composer.lock | 36 +++++++++++++++++++++---------------
 tools/.phpunit/composer.json |  2 +-
 tools/.psalm/composer.json   |  2 +-
 tools/.rector/composer.json  |  2 +-
 9 files changed, 40 insertions(+), 34 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 557a7733..9529e4b8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.1', '8.2', '8.3']
+        php-versions: ['8.2', '8.3', '8.4', '8.5']
         experimental: [false]
 
     steps:
@@ -37,7 +37,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['8.1', '8.2', '8.3']
+        php-versions: ['8.2', '8.3', '8.4', '8.5']
         experimental: [false]
     steps:
     - name: Checkout
@@ -64,14 +64,14 @@ jobs:
       run: tools/phpunit --testsuite="BigBlueButton unit test suite,BigBlueButton integration test suite"
       continue-on-error: true
     - name: Upload coverage
-      if: ${{ matrix.php-versions == '8.1' }}
+      if: ${{ matrix.php-versions == '8.2' }}
       uses: codecov/codecov-action@v3
     - name: Run rector
-      if: ${{ matrix.php-versions == '8.1' }}
+      if: ${{ matrix.php-versions == '8.2' }}
       run: tools/rector process --dry-run
     - name: Run psalm
-      if: ${{ matrix.php-versions == '8.1' }}
+      if: ${{ matrix.php-versions == '8.2' }}
       run: tools/psalm
     - name: Run phpstan
-      if: ${{ matrix.php-versions == '8.1' }}
+      if: ${{ matrix.php-versions == '8.2' }}
       run: tools/phpstan
diff --git a/.gitignore b/.gitignore
index 3fdf8edd..c714baae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,7 +25,7 @@ reports
 # The library does not locks down the dependencies for several reasons:
 #
 # * In the outer world, the lock is not effective. Only the lock of the requiring application is accounted.
-# * It makes it hard, to run the library with its deps in the CI as when running `composer require` under PHP 8.1,
+# * It makes it hard, to run the library with its deps in the CI as when running `composer require` under PHP 8.2,
 #   an incompatible lock file is created which is unsuable unter PHP 7.x.
 #
 # See https://github.com/littleredbutton/bigbluebutton-api-php/pull/115 for the discussion.
diff --git a/README.md b/README.md
index 9b29b0ef..915ba49f 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # :tada: Best BigBlueButton API for PHP
 
 The unofficial and easiest to use **BigBlueButton API for PHP**, makes easy for
-developers to use [BigBlueButton API] v2.2+ for **PHP 8.1+**.
+developers to use [BigBlueButton API] v2.2+ for **PHP 8.2+**.
 
 ![Build Status](https://github.com/littleredbutton/bigbluebutton-api-php/workflows/CI/badge.svg)
 [![Coverage Status](https://coveralls.io/repos/github/littleredbutton/bigbluebutton-api-php/badge.svg?branch=master)](https://coveralls.io/github/littleredbutton/bigbluebutton-api-php?branch=master)
@@ -56,7 +56,7 @@ following advantages:
 - Development is simplified through git hooks and contributor guidelines
 - Documentation is up-to-date and complete
 - API is fixed and extended to exploit the full potential
-- Require at least PHP 8.1, which allows to make the code more efficient and
+- Require at least PHP 8.2, which allows to make the code more efficient and
   readable
 
 ## :gear: Installation and usage
@@ -64,7 +64,7 @@ following advantages:
 In order to use this library you have to make sure to meet the following
 requirements:
 
-- PHP 8.1 or above.
+- PHP 8.2 or above.
 - curl library installed.
 - mbstring library installed.
 - xml library installed.
diff --git a/composer.json b/composer.json
index d27ba7f3..30d48549 100644
--- a/composer.json
+++ b/composer.json
@@ -58,7 +58,7 @@
     "docs": "https://github.com/littleredbutton/bigbluebutton-api-php/blob/master/README.md"
   },
   "require": {
-    "php": ">=8.1",
+    "php": ">=8.2",
     "ext-curl": "*",
     "ext-simplexml": "*",
     "ext-mbstring": "*",
@@ -143,10 +143,10 @@
         }
       },
       "friendsofphp/php-cs-fixer": "^3.3",
-      "phpstan/phpstan": "^1.10",
-      "phpunit/phpunit": "^10",
-      "rector/rector": "^1.0",
-      "vimeo/psalm": "^5.23"
+      "phpstan/phpstan": "^2.0",
+      "phpunit/phpunit": "^11",
+      "rector/rector": "^2.0",
+      "vimeo/psalm": "^6.0"
     }
   }
 }
diff --git a/tools/.phpstan/composer.json b/tools/.phpstan/composer.json
index 90c99dfd..6dea17a8 100644
--- a/tools/.phpstan/composer.json
+++ b/tools/.phpstan/composer.json
@@ -1,5 +1,5 @@
 {
     "require": {
-        "phpstan/phpstan": "^1.10"
+        "phpstan/phpstan": "^2.0"
     }
 }
diff --git a/tools/.phpstan/composer.lock b/tools/.phpstan/composer.lock
index 2c3ffe96..eebbe4ff 100644
--- a/tools/.phpstan/composer.lock
+++ b/tools/.phpstan/composer.lock
@@ -4,24 +4,19 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "14812c2a05a5972f00f9d67abbd710a9",
+    "content-hash": "a1a9a305e36d2c71272f49ce0f9c92fe",
     "packages": [
         {
             "name": "phpstan/phpstan",
-            "version": "1.12.3",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/phpstan/phpstan.git",
-                "reference": "0fcbf194ab63d8159bb70d9aa3e1350051632009"
-            },
+            "version": "2.2.5",
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/0fcbf194ab63d8159bb70d9aa3e1350051632009",
-                "reference": "0fcbf194ab63d8159bb70d9aa3e1350051632009",
+                "url": "https://api.github.com/repos/phpstan/phpstan/zipball/909c1e5fef7989ac0d0c1c5c42e32a5c4f6198a0",
+                "reference": "909c1e5fef7989ac0d0c1c5c42e32a5c4f6198a0",
                 "shasum": ""
             },
             "require": {
-                "php": "^7.2|^8.0"
+                "php": "^7.4|^8.0"
             },
             "conflict": {
                 "phpstan/phpstan-shim": "*"
@@ -40,6 +35,17 @@
             "license": [
                 "MIT"
             ],
+            "authors": [
+                {
+                    "name": "Ondřej Mirtes"
+                },
+                {
+                    "name": "Markus Staab"
+                },
+                {
+                    "name": "Vincent Langlet"
+                }
+            ],
             "description": "PHPStan - PHP Static Analysis Tool",
             "keywords": [
                 "dev",
@@ -62,16 +68,16 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-09-09T08:10:35+00:00"
+            "time": "2026-07-05T06:31:06+00:00"
         }
     ],
     "packages-dev": [],
     "aliases": [],
     "minimum-stability": "stable",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": false,
     "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": [],
-    "plugin-api-version": "2.6.0"
+    "platform": {},
+    "platform-dev": {},
+    "plugin-api-version": "2.9.0"
 }
diff --git a/tools/.phpunit/composer.json b/tools/.phpunit/composer.json
index 2dc16d75..71198119 100644
--- a/tools/.phpunit/composer.json
+++ b/tools/.phpunit/composer.json
@@ -1,6 +1,6 @@
 {
     "require": {
-        "phpunit/phpunit": "^10.0",
+        "phpunit/phpunit": "^11.0",
         "fakerphp/faker": "1.24.*"
     }
 }
diff --git a/tools/.psalm/composer.json b/tools/.psalm/composer.json
index 70de5195..7ee4658e 100644
--- a/tools/.psalm/composer.json
+++ b/tools/.psalm/composer.json
@@ -1,5 +1,5 @@
 {
     "require": {
-        "vimeo/psalm": "^5.23"
+        "vimeo/psalm": "^6.0"
     }
 }
diff --git a/tools/.rector/composer.json b/tools/.rector/composer.json
index 056d015c..d4420aba 100644
--- a/tools/.rector/composer.json
+++ b/tools/.rector/composer.json
@@ -1,5 +1,5 @@
 {
     "require": {
-        "rector/rector": "^1.0"
+        "rector/rector": "^2.0"
     }
 }

From 2901550c86f4521c642f7e9c46f2e7df07302726 Mon Sep 17 00:00:00 2001
From: Samuel Weirich <4281791+SamuelWei@users.noreply.github.com>
Date: Tue, 21 Jul 2026 11:08:53 +0200
Subject: [PATCH 2/7] Fix rector

---
 src/Http/SetCookie.php                                    | 2 +-
 .../Bridge/PsrHttpClient/PsrHttpClientTransport.php       | 4 ++--
 .../SymfonyHttpClient/SymfonyHttpClientTransport.php      | 4 ++--
 src/Http/Transport/CurlTransport.php                      | 4 ++--
 src/Util/UrlBuilder.php                                   | 8 ++++----
 tests/integration/Http/Transport/Fixtures/web/dump.php    | 2 +-
 6 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/Http/SetCookie.php b/src/Http/SetCookie.php
index 923ad56f..af895158 100644
--- a/src/Http/SetCookie.php
+++ b/src/Http/SetCookie.php
@@ -62,7 +62,7 @@ public static function fromString(string $cookie): self
         // Create the default return array
         $data = self::$defaults;
         // Explode the cookie string using a series of semicolons
-        $pieces = array_filter(array_map('trim', explode(';', $cookie)));
+        $pieces = array_filter(array_map(trim(...), explode(';', $cookie)));
         // The name of the cookie (first kvp) must exist and include an equal sign.
         if (!isset($pieces[0]) || !str_contains($pieces[0], '=')) {
             return new self($data);
diff --git a/src/Http/Transport/Bridge/PsrHttpClient/PsrHttpClientTransport.php b/src/Http/Transport/Bridge/PsrHttpClient/PsrHttpClientTransport.php
index befa70d9..2db4c8de 100644
--- a/src/Http/Transport/Bridge/PsrHttpClient/PsrHttpClientTransport.php
+++ b/src/Http/Transport/Bridge/PsrHttpClient/PsrHttpClientTransport.php
@@ -67,12 +67,12 @@
 /**
  * Allows to send requests to the BBB server with a {@link https://www.php-fig.org/psr/psr-18/} implementation.
  */
-final class PsrHttpClientTransport implements TransportInterface
+final readonly class PsrHttpClientTransport implements TransportInterface
 {
     /**
      * @param string[] $defaultHeaders additional headers to pass on each request
      */
-    public function __construct(private readonly ClientInterface $httpClient, private readonly RequestFactoryInterface $requestFactory, private readonly StreamFactoryInterface $streamFactory, private readonly array $defaultHeaders = [])
+    public function __construct(private ClientInterface $httpClient, private RequestFactoryInterface $requestFactory, private StreamFactoryInterface $streamFactory, private array $defaultHeaders = [])
     {
     }
 
diff --git a/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php b/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
index 0545c74d..d0b3e5fd 100644
--- a/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
+++ b/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
@@ -51,13 +51,13 @@
 /**
  * Allows to send requests to the BBB server with a Symfony HTTP Client contract implementation.
  */
-final class SymfonyHttpClientTransport implements TransportInterface
+final readonly class SymfonyHttpClientTransport implements TransportInterface
 {
     /**
      * @param string[] $defaultHeaders additional HTTP headers to pass on each request
      * @param mixed[]  $defaultOptions Options for Symfony HTTP client passed on every request. See {@link https://symfony.com/doc/current/http_client.html} for details.
      */
-    public function __construct(private readonly HttpClientInterface $httpClient, private readonly array $defaultHeaders = [], private readonly array $defaultOptions = [])
+    public function __construct(private HttpClientInterface $httpClient, private array $defaultHeaders = [], private array $defaultOptions = [])
     {
     }
 
diff --git a/src/Http/Transport/CurlTransport.php b/src/Http/Transport/CurlTransport.php
index 8f537677..903fe4d3 100644
--- a/src/Http/Transport/CurlTransport.php
+++ b/src/Http/Transport/CurlTransport.php
@@ -28,7 +28,7 @@
 /**
  * Allows to send requests to the BBB server with the pure PHP cURL implementation.
  */
-final class CurlTransport implements TransportInterface
+final readonly class CurlTransport implements TransportInterface
 {
     public const DEFAULT_CURL_OPTIONS = [
         \CURLOPT_SSL_VERIFYPEER => 1,
@@ -64,7 +64,7 @@ final class CurlTransport implements TransportInterface
      *
      * @param mixed[] $curlOptions A list of cURL options to pass to the cURL handle. Option name as key, option value as value.
      */
-    public function __construct(private readonly array $curlOptions = [])
+    public function __construct(private array $curlOptions = [])
     {
     }
 
diff --git a/src/Util/UrlBuilder.php b/src/Util/UrlBuilder.php
index 822e04a9..0a4bba9f 100644
--- a/src/Util/UrlBuilder.php
+++ b/src/Util/UrlBuilder.php
@@ -30,12 +30,12 @@
  *
  * @internal
  */
-final class UrlBuilder
+final readonly class UrlBuilder
 {
     public function __construct(
-        private readonly string $securitySalt,
-        private readonly string $bbbServerBaseUrl,
-        private readonly HashingAlgorithm $hashingAlgorithm,
+        private string $securitySalt,
+        private string $bbbServerBaseUrl,
+        private HashingAlgorithm $hashingAlgorithm,
     ) {
     }
 
diff --git a/tests/integration/Http/Transport/Fixtures/web/dump.php b/tests/integration/Http/Transport/Fixtures/web/dump.php
index 31445fdc..95c82f62 100644
--- a/tests/integration/Http/Transport/Fixtures/web/dump.php
+++ b/tests/integration/Http/Transport/Fixtures/web/dump.php
@@ -38,7 +38,7 @@
 foreach ($_SERVER as $k => $v) {
     switch ($k) {
         default:
-            if (!str_starts_with($k, 'HTTP_')) {
+            if (!str_starts_with((string) $k, 'HTTP_')) {
                 continue 2;
             }
             // no break

From 3ac3366a217c6ac95a919224390f5445d1399b8b Mon Sep 17 00:00:00 2001
From: Samuel Weirich <4281791+SamuelWei@users.noreply.github.com>
Date: Tue, 21 Jul 2026 11:26:08 +0200
Subject: [PATCH 3/7] Fix psalm

---
 composer.json                                 |  2 +-
 psalm.xml                                     |  1 +
 src/Http/SetCookie.php                        | 27 +++++++++++--------
 .../PsrHttpClient/PsrHttpClientTransport.php  |  1 +
 .../SymfonyHttpClientTransport.php            |  3 ++-
 src/Http/Transport/Cookie.php                 |  2 +-
 src/Http/Transport/CurlTransport.php          |  1 +
 src/Parameters/CreateMeetingParameters.php    |  1 +
 src/Parameters/MetaParameters.php             |  1 +
 src/Parameters/UserDataParameters.php         |  1 +
 src/Responses/BaseResponseAsJson.php          |  2 +-
 11 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/composer.json b/composer.json
index 30d48549..faf69532 100644
--- a/composer.json
+++ b/composer.json
@@ -114,7 +114,7 @@
     "cs-test": "tools/php-cs-fixer fix --dry-run --allow-risky=yes",
     "psalm": "tools/psalm --threads=1",
     "psalm-clear": "tools/psalm --clear-cache && tools/psalm --clear-global-cache",
-    "psalm-fix": "tools/psalm --alter --issues=InvalidReturnType,InvalidNullableReturnType,MissingParamType,InvalidFalsableReturnType",
+    "psalm-fix": "tools/psalm --alter --issues=InvalidReturnType,InvalidNullableReturnType,MissingParamType,InvalidFalsableReturnType,MissingOverrideAttribute",
     "phpstan": "tools/phpstan analyse",
     "rector": "tools/rector process --dry-run src/ tests/",
     "rector-fix": "tools/rector process src/ tests/",
diff --git a/psalm.xml b/psalm.xml
index 7c0333df..27372f7a 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -5,6 +5,7 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+    findUnusedCode="false"
 >
     <projectFiles>
         <directory name="src" />
diff --git a/src/Http/SetCookie.php b/src/Http/SetCookie.php
index af895158..429e528b 100644
--- a/src/Http/SetCookie.php
+++ b/src/Http/SetCookie.php
@@ -110,6 +110,7 @@ public function __construct(array $data = [])
         }
     }
 
+    #[\Override]
     public function __toString(): string
     {
         $str = $this->data['Name'].'='.$this->data['Value'].'; ';
@@ -126,8 +127,12 @@ public function __toString(): string
         return rtrim($str, '; ');
     }
 
-    /** @return array<string,string|bool|int|null> */
-    public function toArray(): array
+    /**
+     * @return (bool|int|string|null)[]|null
+     *
+     * @psalm-return array<string, bool|int|null|string>|null
+     */
+    public function toArray(): ?array
     {
         return $this->data;
     }
@@ -135,7 +140,7 @@ public function toArray(): array
     /**
      * Get the cookie name.
      */
-    public function getName(): string
+    public function getName(): string|bool|int|null
     {
         return $this->data['Name'];
     }
@@ -153,7 +158,7 @@ public function setName(string $name): void
     /**
      * Get the cookie value.
      */
-    public function getValue(): ?string
+    public function getValue(): string|bool|int|null
     {
         return $this->data['Value'];
     }
@@ -161,9 +166,9 @@ public function getValue(): ?string
     /**
      * Set the cookie value.
      *
-     * @param string $value Cookie value
+     * @param string|bool|int|null $value Cookie value
      */
-    public function setValue(string $value): void
+    public function setValue(string|bool|int|null $value): void
     {
         $this->data['Value'] = $value;
     }
@@ -171,7 +176,7 @@ public function setValue(string $value): void
     /**
      * Get the domain.
      */
-    public function getDomain(): ?string
+    public function getDomain(): string|bool|int|null
     {
         return $this->data['Domain'];
     }
@@ -187,7 +192,7 @@ public function setDomain(string $domain): void
     /**
      * Get the path.
      */
-    public function getPath(): string
+    public function getPath(): string|bool|int|null
     {
         return $this->data['Path'];
     }
@@ -223,7 +228,7 @@ public function setMaxAge(int $maxAge): void
     /**
      * The UNIX timestamp when the cookie Expires.
      */
-    public function getExpires(): int|string|null
+    public function getExpires(): bool|int|string|null
     {
         return $this->data['Expires'];
     }
@@ -243,7 +248,7 @@ public function setExpires(int|string $timestamp): void
     /**
      * Get whether or not this is a secure cookie.
      */
-    public function getSecure(): ?bool
+    public function getSecure(): string|bool|int|null
     {
         return $this->data['Secure'];
     }
@@ -261,7 +266,7 @@ public function setSecure(bool $secure): void
     /**
      * Get whether or not this is a session cookie.
      */
-    public function getDiscard(): ?bool
+    public function getDiscard(): string|bool|int|null
     {
         return $this->data['Discard'];
     }
diff --git a/src/Http/Transport/Bridge/PsrHttpClient/PsrHttpClientTransport.php b/src/Http/Transport/Bridge/PsrHttpClient/PsrHttpClientTransport.php
index 2db4c8de..ed9f94ab 100644
--- a/src/Http/Transport/Bridge/PsrHttpClient/PsrHttpClientTransport.php
+++ b/src/Http/Transport/Bridge/PsrHttpClient/PsrHttpClientTransport.php
@@ -76,6 +76,7 @@ public function __construct(private ClientInterface $httpClient, private Request
     {
     }
 
+    #[\Override]
     public function request(TransportRequest $request): TransportResponse
     {
         if ('' !== $payload = $request->getPayload()) {
diff --git a/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php b/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
index d0b3e5fd..6c093a13 100644
--- a/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
+++ b/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
@@ -83,6 +83,7 @@ public static function create(array $defaultHeaders = [], array $defaultOptions
         // @codeCoverageIgnoreEnd
     }
 
+    #[\Override]
     public function request(TransportRequest $request): TransportResponse
     {
         $headers = $this->defaultHeaders;
@@ -125,7 +126,7 @@ public function request(TransportRequest $request): TransportResponse
      * @throws RedirectionExceptionInterface
      * @throws ServerExceptionInterface
      */
-    private static function extractJsessionCookie(ResponseInterface $symfonyResponse): ?string
+    private static function extractJsessionCookie(ResponseInterface $symfonyResponse): bool|int|string|null
     {
         $responseHeaders = $symfonyResponse->getHeaders();
 
diff --git a/src/Http/Transport/Cookie.php b/src/Http/Transport/Cookie.php
index 6f7aae89..511bb6d0 100644
--- a/src/Http/Transport/Cookie.php
+++ b/src/Http/Transport/Cookie.php
@@ -33,7 +33,7 @@ final class Cookie
     /**
      * @param string[] $headerValues
      */
-    public static function extractJsessionId(array $headerValues): ?string
+    public static function extractJsessionId(array $headerValues): bool|int|string|null
     {
         foreach ($headerValues as $headerValue) {
             $cookie = SetCookie::fromString($headerValue);
diff --git a/src/Http/Transport/CurlTransport.php b/src/Http/Transport/CurlTransport.php
index 903fe4d3..524f48e8 100644
--- a/src/Http/Transport/CurlTransport.php
+++ b/src/Http/Transport/CurlTransport.php
@@ -78,6 +78,7 @@ public static function createWithDefaultOptions(array $additionalCurlOptions = [
         // @codeCoverageIgnoreEnd
     }
 
+    #[\Override]
     public function request(TransportRequest $request): TransportResponse
     {
         // @codeCoverageIgnoreStart
diff --git a/src/Parameters/CreateMeetingParameters.php b/src/Parameters/CreateMeetingParameters.php
index 89e5edd0..4a14e5c4 100644
--- a/src/Parameters/CreateMeetingParameters.php
+++ b/src/Parameters/CreateMeetingParameters.php
@@ -460,6 +460,7 @@ public function addPresentationsModule(SimpleXMLElementExtended $xml): void
         }
     }
 
+    #[\Override]
     public function getHTTPQuery(): string
     {
         $queries = $this->getHTTPQueryArray();
diff --git a/src/Parameters/MetaParameters.php b/src/Parameters/MetaParameters.php
index 2adab816..14dc0c99 100644
--- a/src/Parameters/MetaParameters.php
+++ b/src/Parameters/MetaParameters.php
@@ -42,6 +42,7 @@ public function addMeta(string $key, bool|string $value): static
         return $this;
     }
 
+    #[\Override]
     protected function getHTTPQueryArray(): array
     {
         $properties = parent::getHTTPQueryArray();
diff --git a/src/Parameters/UserDataParameters.php b/src/Parameters/UserDataParameters.php
index a1f788f0..4529a147 100644
--- a/src/Parameters/UserDataParameters.php
+++ b/src/Parameters/UserDataParameters.php
@@ -42,6 +42,7 @@ public function addUserData(string $key, bool|string $value): self
         return $this;
     }
 
+    #[\Override]
     protected function getHTTPQueryArray(): array
     {
         $properties = parent::getHTTPQueryArray();
diff --git a/src/Responses/BaseResponseAsJson.php b/src/Responses/BaseResponseAsJson.php
index 77b8fa56..aff7bebd 100644
--- a/src/Responses/BaseResponseAsJson.php
+++ b/src/Responses/BaseResponseAsJson.php
@@ -43,7 +43,7 @@ public function __construct($rawJson)
         $this->data = json_decode($rawJson);
     }
 
-    public function getRawJson(): string
+    public function getRawJson(): string|false
     {
         return json_encode($this->data);
     }

From 41d95a1551fa6e7095bf7b612eb2c65bc244c575 Mon Sep 17 00:00:00 2001
From: Samuel Weirich <4281791+SamuelWei@users.noreply.github.com>
Date: Tue, 21 Jul 2026 14:11:03 +0200
Subject: [PATCH 4/7] Fix phpstan

# Conflicts:
#	src/Parameters/CreateMeetingParameters.php
---
 phpstan.neon                                  |  2 ++
 src/Http/SetCookie.php                        | 30 ++++++++--------
 src/Http/Transport/CurlTransport.php          |  2 +-
 tests/bootstrap.php                           | 20 ++---------
 .../Http/Transport/CurlTransportTest.php      |  4 ++-
 tests/unit/Http/SetCookieTest.php             |  2 +-
 .../SymfonyHttpClientTransportTest.php        | 36 +++++--------------
 tests/unit/Util/ArrayHelperTest.php           | 10 +++---
 8 files changed, 38 insertions(+), 68 deletions(-)

diff --git a/phpstan.neon b/phpstan.neon
index 9110ad71..4817ce70 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -9,6 +9,8 @@ parameters:
     bootstrapFiles:
       - tools/bootstrap.php
     ignoreErrors:
+        -
+            identifier: method.alreadyNarrowedType
         -
             message: '#^Offset ''input'' does not exist on array\{\}\.$#'
             path: tests/integration/Http/Transport/CurlTransportTest.php
diff --git a/src/Http/SetCookie.php b/src/Http/SetCookie.php
index 429e528b..99302b05 100644
--- a/src/Http/SetCookie.php
+++ b/src/Http/SetCookie.php
@@ -50,7 +50,7 @@ final class SetCookie implements \Stringable
     /**
      * @var array<string,string|bool|int|null> Cookie data
      */
-    private ?array $data;
+    private array $data;
 
     /**
      * Create a new SetCookie object from a string.
@@ -96,7 +96,7 @@ public static function fromString(string $cookie): self
     }
 
     /**
-     * @param array<string,string|int> $data Array of cookie data provided by a Cookie parser
+     * @param array<string,string|bool|int|null> $data Array of cookie data provided by a Cookie parser
      */
     public function __construct(array $data = [])
     {
@@ -128,11 +128,9 @@ public function __toString(): string
     }
 
     /**
-     * @return (bool|int|string|null)[]|null
-     *
-     * @psalm-return array<string, bool|int|null|string>|null
+     * @return array<string, bool|int|string|null>
      */
-    public function toArray(): ?array
+    public function toArray(): array
     {
         return $this->data;
     }
@@ -140,7 +138,7 @@ public function toArray(): ?array
     /**
      * Get the cookie name.
      */
-    public function getName(): string|bool|int|null
+    public function getName(): string
     {
         return $this->data['Name'];
     }
@@ -158,7 +156,7 @@ public function setName(string $name): void
     /**
      * Get the cookie value.
      */
-    public function getValue(): string|bool|int|null
+    public function getValue(): ?string
     {
         return $this->data['Value'];
     }
@@ -166,9 +164,9 @@ public function getValue(): string|bool|int|null
     /**
      * Set the cookie value.
      *
-     * @param string|bool|int|null $value Cookie value
+     * @param string $value Cookie value
      */
-    public function setValue(string|bool|int|null $value): void
+    public function setValue(string $value): void
     {
         $this->data['Value'] = $value;
     }
@@ -176,7 +174,7 @@ public function setValue(string|bool|int|null $value): void
     /**
      * Get the domain.
      */
-    public function getDomain(): string|bool|int|null
+    public function getDomain(): ?string
     {
         return $this->data['Domain'];
     }
@@ -192,7 +190,7 @@ public function setDomain(string $domain): void
     /**
      * Get the path.
      */
-    public function getPath(): string|bool|int|null
+    public function getPath(): string
     {
         return $this->data['Path'];
     }
@@ -228,7 +226,7 @@ public function setMaxAge(int $maxAge): void
     /**
      * The UNIX timestamp when the cookie Expires.
      */
-    public function getExpires(): bool|int|string|null
+    public function getExpires(): ?int
     {
         return $this->data['Expires'];
     }
@@ -246,9 +244,9 @@ public function setExpires(int|string $timestamp): void
     }
 
     /**
-     * Get whether or not this is a secure cookie.
+     * Get whether this is a secure cookie.
      */
-    public function getSecure(): string|bool|int|null
+    public function getSecure(): ?bool
     {
         return $this->data['Secure'];
     }
@@ -266,7 +264,7 @@ public function setSecure(bool $secure): void
     /**
      * Get whether or not this is a session cookie.
      */
-    public function getDiscard(): string|bool|int|null
+    public function getDiscard(): ?bool
     {
         return $this->data['Discard'];
     }
diff --git a/src/Http/Transport/CurlTransport.php b/src/Http/Transport/CurlTransport.php
index 524f48e8..fea68831 100644
--- a/src/Http/Transport/CurlTransport.php
+++ b/src/Http/Transport/CurlTransport.php
@@ -194,7 +194,7 @@ private static function getHeadersAndContentFromCurlHandle(\CurlHandle $curlHand
     {
         $headers = [];
 
-        curl_setopt($curlHandle, \CURLOPT_HEADER, 1);
+        curl_setopt($curlHandle, \CURLOPT_HEADER, true);
         $responseContent = curl_exec($curlHandle);
 
         // @codeCoverageIgnoreStart
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index d22a1a3c..c4419793 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -30,21 +30,5 @@
 
 // Load environment
 $dotenv = new Dotenv();
-// usePutenv was not available in version 3.4 und early 4.x versions of symfony/dotenv, so make it optional here
-if (method_exists($dotenv, 'usePutenv')) {
-    $dotenv->usePutenv(true);
-}
-
-// loadEnv was not available in version 3.4 und early 4.x versions of symfony/dotenv, so make it optional here
-if (method_exists($dotenv, 'loadEnv')) {
-    $dotenv->loadEnv(dirname(__DIR__).'/.env');
-} else {
-    $files = [];
-    foreach ([dirname(__DIR__).'/.env', dirname(__DIR__).'/.env.local'] as $file) {
-        if (file_exists($file)) {
-            $files[] = $file;
-        }
-    }
-
-    $dotenv->load(...$files);
-}
+$dotenv->usePutenv();
+$dotenv->loadEnv(dirname(__DIR__).'/.env');
diff --git a/tests/integration/Http/Transport/CurlTransportTest.php b/tests/integration/Http/Transport/CurlTransportTest.php
index fb51caa5..4b094207 100644
--- a/tests/integration/Http/Transport/CurlTransportTest.php
+++ b/tests/integration/Http/Transport/CurlTransportTest.php
@@ -41,7 +41,9 @@ public static function setUpBeforeClass(): void
         TestHttpServer::start();
     }
 
-    /** @return array<string,array<int>> */
+    /**
+     * @return iterable<string,array<int>>
+     */
     public static function provideBadResponseCodes(): iterable
     {
         // cURL does not understand codes below 200 properly.
diff --git a/tests/unit/Http/SetCookieTest.php b/tests/unit/Http/SetCookieTest.php
index 91a3b834..7ef3765e 100644
--- a/tests/unit/Http/SetCookieTest.php
+++ b/tests/unit/Http/SetCookieTest.php
@@ -181,7 +181,7 @@ public function testMatchesPath(string $cookiePath, string $requestPath, bool $i
         self::assertSame($isMatch, $cookie->matchesPath($requestPath));
     }
 
-    /** @return array<array<string|bool>> */
+    /** @return array<array<string|bool|null>> */
     public static function cookieValidateProvider(): array
     {
         return [
diff --git a/tests/unit/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransportTest.php b/tests/unit/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransportTest.php
index 10dc5a99..4e571871 100644
--- a/tests/unit/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransportTest.php
+++ b/tests/unit/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransportTest.php
@@ -63,9 +63,7 @@ public function testRequestWithoutPayload(): void
 
         $this->assertSame('Hi Marty!', $response->getBody(), 'body is OK');
         $this->assertSame('MartyMcFlySession', $response->getSessionId(), 'session ID is OK');
-        if (method_exists($mockHttpClient, 'getRequestsCount')) {
-            $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
-        }
+        $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
     }
 
     public function testRequestWithPayload(): void
@@ -87,9 +85,7 @@ public function testRequestWithPayload(): void
 
         $this->assertSame('Hi Marty!', $response->getBody(), 'body is OK');
         $this->assertSame('MartyMcFlySession', $response->getSessionId(), 'session ID is OK');
-        if (method_exists($mockHttpClient, 'getRequestsCount')) {
-            $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
-        }
+        $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
     }
 
     public function testRequestWithoutCookie(): void
@@ -110,9 +106,7 @@ public function testRequestWithoutCookie(): void
 
         $this->assertSame('Hi Marty!', $response->getBody(), 'body is OK');
         $this->assertNull($response->getSessionId(), 'session ID is OK');
-        if (method_exists($mockHttpClient, 'getRequestsCount')) {
-            $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
-        }
+        $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
     }
 
     public function testRequestWithEmptyCookie(): void
@@ -133,9 +127,7 @@ public function testRequestWithEmptyCookie(): void
 
         $this->assertSame('Hi Marty!', $response->getBody(), 'body is OK');
         $this->assertNull($response->getSessionId(), 'session ID is OK');
-        if (method_exists($mockHttpClient, 'getRequestsCount')) {
-            $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
-        }
+        $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
     }
 
     public function testRequestWithDefaultHeaders(): void
@@ -163,9 +155,7 @@ public function testRequestWithDefaultHeaders(): void
 
         $this->assertSame('Hi Marty!', $response->getBody(), 'body is OK');
         $this->assertSame('MartyMcFlySession', $response->getSessionId(), 'session ID is OK');
-        if (method_exists($mockHttpClient, 'getRequestsCount')) {
-            $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
-        }
+        $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
     }
 
     public function testRequestWithDefaultOptions(): void
@@ -196,9 +186,7 @@ public function testRequestWithDefaultOptions(): void
 
         $this->assertSame('Hi Marty!', $response->getBody(), 'body is OK');
         $this->assertSame('MartyMcFlySession', $response->getSessionId(), 'session ID is OK');
-        if (method_exists($mockHttpClient, 'getRequestsCount')) {
-            $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
-        }
+        $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
     }
 
     /** @return iterable<string,array<int>> */
@@ -237,9 +225,7 @@ public function testRequestWithBadResponseCode(int $badCode): void
         try {
             $transport->request($request);
         } finally {
-            if (method_exists($mockHttpClient, 'getRequestsCount')) {
-                $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
-            }
+            $this->assertSame(1, $mockHttpClient->getRequestsCount(), 'one request was made');
         }
     }
 
@@ -275,9 +261,7 @@ public function testRequestWithBadResponseException(HttpExceptionInterface $exce
         try {
             $transport->request($request);
         } finally {
-            if (method_exists($mockHttpClient, 'getRequestsCount')) {
-                $this->assertSame(0, $mockHttpClient->getRequestsCount(), 'no full request was made');
-            }
+            $this->assertSame(0, $mockHttpClient->getRequestsCount(), 'no full request was made');
         }
     }
 
@@ -302,9 +286,7 @@ public function testRequestWithTransportException(): void
         try {
             $transport->request($request);
         } finally {
-            if (method_exists($mockHttpClient, 'getRequestsCount')) {
-                $this->assertSame(0, $mockHttpClient->getRequestsCount(), 'no full request was made');
-            }
+            $this->assertSame(0, $mockHttpClient->getRequestsCount(), 'no full request was made');
         }
     }
 }
diff --git a/tests/unit/Util/ArrayHelperTest.php b/tests/unit/Util/ArrayHelperTest.php
index 9c1f5b75..192e5ea6 100644
--- a/tests/unit/Util/ArrayHelperTest.php
+++ b/tests/unit/Util/ArrayHelperTest.php
@@ -29,7 +29,9 @@
  */
 final class ArrayHelperTest extends TestCase
 {
-    /** @return iterable<string,array<string|array-key,string|bool>> */
+    /**
+     * @return iterable<array{0: array<mixed>, 1: array<mixed>, 2: bool, 3: array<mixed>}>
+     */
     public static function provideArrays(): iterable
     {
         yield 'simple flat arrays' => [
@@ -61,9 +63,9 @@ public static function provideArrays(): iterable
     /**
      * @dataProvider provideArrays
      *
-     * @param array<string|array-key,string> $input1
-     * @param array<string|array-key,string> $input2
-     * @param array<string|array-key,string> $output
+     * @param array<mixed> $input1
+     * @param array<mixed> $input2
+     * @param array<mixed> $output
      */
     public function testMergeRecursive(array $input1, array $input2, bool $reorderNested, array $output): void
     {

From 88ec27537fd3e0067c386bd864893e1ecb5f7a5f Mon Sep 17 00:00:00 2001
From: Samuel Weirich <4281791+SamuelWei@users.noreply.github.com>
Date: Mon, 21 Sep 2026 17:47:56 +0200
Subject: [PATCH 5/7] Fix rector & psalm

---
 src/Core/Hook.php                        | 14 +++++++-------
 src/Core/ImagePreview.php                | 10 +++++-----
 src/Core/InlinePresentation.php          |  4 +++-
 src/Core/Track.php                       | 12 ++++++------
 src/Core/UrlPresentation.php             |  2 ++
 src/Http/SetCookie.php                   | 14 +++++++-------
 src/Http/Transport/TransportRequest.php  |  4 ++--
 src/Http/Transport/TransportResponse.php |  4 ++--
 src/Responses/GetMeetingInfoResponse.php |  4 +---
 9 files changed, 35 insertions(+), 33 deletions(-)

diff --git a/src/Core/Hook.php b/src/Core/Hook.php
index da8c1ba5..7eb49836 100644
--- a/src/Core/Hook.php
+++ b/src/Core/Hook.php
@@ -25,19 +25,19 @@
 /**
  * Class Meeting.
  */
-final class Hook
+final readonly class Hook
 {
-    private readonly string $hookId;
+    private string $hookId;
 
-    private readonly string $meetingId;
+    private string $meetingId;
 
-    private readonly string $callbackUrl;
+    private string $callbackUrl;
 
-    private readonly bool $permanentHook;
+    private bool $permanentHook;
 
-    private readonly bool $rawData;
+    private bool $rawData;
 
-    public function __construct(private readonly \SimpleXMLElement $rawXml)
+    public function __construct(private \SimpleXMLElement $rawXml)
     {
         $this->hookId = $this->rawXml->hookID->__toString();
         $this->callbackUrl = $this->rawXml->callbackURL->__toString();
diff --git a/src/Core/ImagePreview.php b/src/Core/ImagePreview.php
index d7584aab..3c1e3b14 100644
--- a/src/Core/ImagePreview.php
+++ b/src/Core/ImagePreview.php
@@ -21,13 +21,13 @@
 
 namespace BigBlueButton\Core;
 
-final class ImagePreview
+final readonly class ImagePreview
 {
     public function __construct(
-        private readonly int $width,
-        private readonly int $height,
-        private readonly string $alt,
-        private readonly string $url,
+        private int $width,
+        private int $height,
+        private string $alt,
+        private string $url,
     ) {
     }
 
diff --git a/src/Core/InlinePresentation.php b/src/Core/InlinePresentation.php
index 6b1f839c..44db7336 100644
--- a/src/Core/InlinePresentation.php
+++ b/src/Core/InlinePresentation.php
@@ -31,11 +31,13 @@ public function __construct(private readonly string $content, string $filename)
         $this->filename = $filename;
     }
 
-    public function getArrayKey(): string
+    #[\Override]
+    public function getArrayKey(): string|null
     {
         return $this->filename;
     }
 
+    #[\Override]
     public function addDocumentToXML(SimpleXMLElementExtended $module): ?SimpleXMLElementExtended
     {
         $document = parent::addDocumentToXML($module);
diff --git a/src/Core/Track.php b/src/Core/Track.php
index ff805c0a..da7ba15b 100644
--- a/src/Core/Track.php
+++ b/src/Core/Track.php
@@ -25,17 +25,17 @@
 /**
  * Class Track.
  */
-final class Track
+final readonly class Track
 {
-    private readonly string $href;
+    private string $href;
 
-    private readonly string $kind;
+    private string $kind;
 
-    private readonly string $label;
+    private string $label;
 
-    private readonly string $lang;
+    private string $lang;
 
-    private readonly string $source;
+    private string $source;
 
     public function __construct(object $track)
     {
diff --git a/src/Core/UrlPresentation.php b/src/Core/UrlPresentation.php
index db416bd9..f1ba7875 100644
--- a/src/Core/UrlPresentation.php
+++ b/src/Core/UrlPresentation.php
@@ -30,11 +30,13 @@ public function __construct(private readonly string $url)
     {
     }
 
+    #[\Override]
     public function getArrayKey(): string
     {
         return $this->url;
     }
 
+    #[\Override]
     public function addDocumentToXML(SimpleXMLElementExtended $module): ?SimpleXMLElementExtended
     {
         $document = parent::addDocumentToXML($module);
diff --git a/src/Http/SetCookie.php b/src/Http/SetCookie.php
index 99302b05..25bca177 100644
--- a/src/Http/SetCookie.php
+++ b/src/Http/SetCookie.php
@@ -138,7 +138,7 @@ public function toArray(): array
     /**
      * Get the cookie name.
      */
-    public function getName(): string
+    public function getName(): string|bool|int|null
     {
         return $this->data['Name'];
     }
@@ -156,7 +156,7 @@ public function setName(string $name): void
     /**
      * Get the cookie value.
      */
-    public function getValue(): ?string
+    public function getValue(): string|bool|int|null
     {
         return $this->data['Value'];
     }
@@ -174,7 +174,7 @@ public function setValue(string $value): void
     /**
      * Get the domain.
      */
-    public function getDomain(): ?string
+    public function getDomain(): string|bool|int|null
     {
         return $this->data['Domain'];
     }
@@ -190,7 +190,7 @@ public function setDomain(string $domain): void
     /**
      * Get the path.
      */
-    public function getPath(): string
+    public function getPath(): string|bool|int|null
     {
         return $this->data['Path'];
     }
@@ -226,7 +226,7 @@ public function setMaxAge(int $maxAge): void
     /**
      * The UNIX timestamp when the cookie Expires.
      */
-    public function getExpires(): ?int
+    public function getExpires(): string|bool|int|null
     {
         return $this->data['Expires'];
     }
@@ -246,7 +246,7 @@ public function setExpires(int|string $timestamp): void
     /**
      * Get whether this is a secure cookie.
      */
-    public function getSecure(): ?bool
+    public function getSecure(): string|bool|int|null
     {
         return $this->data['Secure'];
     }
@@ -264,7 +264,7 @@ public function setSecure(bool $secure): void
     /**
      * Get whether or not this is a session cookie.
      */
-    public function getDiscard(): ?bool
+    public function getDiscard(): string|bool|int|null
     {
         return $this->data['Discard'];
     }
diff --git a/src/Http/Transport/TransportRequest.php b/src/Http/Transport/TransportRequest.php
index b5ac4c0c..456bdc89 100644
--- a/src/Http/Transport/TransportRequest.php
+++ b/src/Http/Transport/TransportRequest.php
@@ -24,9 +24,9 @@
 /**
  * Represents request data to be passed to {@link TransportInterface} for talking to BBB server.
  */
-final class TransportRequest
+final readonly class TransportRequest
 {
-    public function __construct(private readonly string $url, private readonly string $payload, private readonly string $contentType)
+    public function __construct(private string $url, private string $payload, private string $contentType)
     {
     }
 
diff --git a/src/Http/Transport/TransportResponse.php b/src/Http/Transport/TransportResponse.php
index fb1bf02c..f08e539f 100644
--- a/src/Http/Transport/TransportResponse.php
+++ b/src/Http/Transport/TransportResponse.php
@@ -24,9 +24,9 @@
 /**
  * Represents response returned by {@link TransportInterface} from BBB server.
  */
-final class TransportResponse
+final readonly class TransportResponse
 {
-    public function __construct(private readonly string $body, private readonly ?string $sessionId)
+    public function __construct(private string $body, private ?string $sessionId)
     {
     }
 
diff --git a/src/Responses/GetMeetingInfoResponse.php b/src/Responses/GetMeetingInfoResponse.php
index 123970c2..b02b9338 100644
--- a/src/Responses/GetMeetingInfoResponse.php
+++ b/src/Responses/GetMeetingInfoResponse.php
@@ -33,9 +33,7 @@ final class GetMeetingInfoResponse extends BaseResponse
 
     public function getMeeting(): Meeting
     {
-        if ($this->meeting === null) {
-            $this->meeting = new Meeting($this->rawXml);
-        }
+        $this->meeting ??= new Meeting($this->rawXml);
 
         return $this->meeting;
     }

From cc46c56dd93505764ff137644a29e5862f1bf38d Mon Sep 17 00:00:00 2001
From: Samuel Weirich <4281791+SamuelWei@users.noreply.github.com>
Date: Mon, 21 Sep 2026 17:59:39 +0200
Subject: [PATCH 6/7] Fix phpstan

---
 src/Core/InlinePresentation.php             | 12 +++++-------
 src/Http/Transport/CurlTransport.php        |  2 +-
 src/Http/Transport/Header.php               |  4 ++--
 src/Parameters/CreateMeetingParameters.php  | 12 +++++-------
 src/Parameters/HooksListParameters.php      |  4 ++--
 src/Parameters/InsertDocumentParameters.php |  4 +---
 6 files changed, 16 insertions(+), 22 deletions(-)

diff --git a/src/Core/InlinePresentation.php b/src/Core/InlinePresentation.php
index 44db7336..6bd901c1 100644
--- a/src/Core/InlinePresentation.php
+++ b/src/Core/InlinePresentation.php
@@ -32,22 +32,20 @@ public function __construct(private readonly string $content, string $filename)
     }
 
     #[\Override]
-    public function getArrayKey(): string|null
+    public function getArrayKey(): string
     {
         return $this->filename;
     }
 
     #[\Override]
-    public function addDocumentToXML(SimpleXMLElementExtended $module): ?SimpleXMLElementExtended
+    public function addDocumentToXML(SimpleXMLElementExtended $module): SimpleXMLElementExtended
     {
         $document = parent::addDocumentToXML($module);
 
-        /* @phpstan-ignore-next-line */
-        $document[0] = base64_encode($this->content);
+        $element = dom_import_simplexml($document);
+        $element->nodeValue = base64_encode($this->content);
 
-        if (isset($this->filename)) {
-            $document->addAttribute('name', $this->filename);
-        }
+        $document->addAttribute('name', $this->filename);
 
         return $document;
     }
diff --git a/src/Http/Transport/CurlTransport.php b/src/Http/Transport/CurlTransport.php
index fea68831..34695d44 100644
--- a/src/Http/Transport/CurlTransport.php
+++ b/src/Http/Transport/CurlTransport.php
@@ -219,7 +219,7 @@ private static function getHeadersAndContentFromCurlHandle(\CurlHandle $curlHand
 
                 $splitHeader = explode(': ', $line, 2);
                 // @codeCoverageIgnoreStart
-                if (!isset($splitHeader[0], $splitHeader[1])) {
+                if (2 !== \count($splitHeader)) {
                     throw new \InvalidArgumentException(\sprintf('Header value "%s" is invalid. Expected format is "Header-Name: value".', $line));
                 }
                 // @codeCoverageIgnoreEnd
diff --git a/src/Http/Transport/Header.php b/src/Http/Transport/Header.php
index ea339ee2..7d2865df 100644
--- a/src/Http/Transport/Header.php
+++ b/src/Http/Transport/Header.php
@@ -32,7 +32,7 @@ final class Header
      * Merges multiple arrays of HTTP headers as passed to CURLOPT_HTTPHEADER. Headers given in later arrays will
      * overwrite the previous one with the same name.
      *
-     * @param string[] ...$headers
+     * @param list<mixed> ...$headers
      *
      * @return string[]
      */
@@ -50,7 +50,7 @@ public static function mergeCurlHeaders(array ...$headers): array
                 }
 
                 $splitHeader = explode(': ', $header, 2);
-                if (!isset($splitHeader[0], $splitHeader[1])) {
+                if (2 !== \count($splitHeader)) {
                     throw new \InvalidArgumentException(\sprintf('Header value "%s" is invalid. Expected format is "Header-Name: value".', $header));
                 }
 
diff --git a/src/Parameters/CreateMeetingParameters.php b/src/Parameters/CreateMeetingParameters.php
index 4a14e5c4..3d038c66 100644
--- a/src/Parameters/CreateMeetingParameters.php
+++ b/src/Parameters/CreateMeetingParameters.php
@@ -139,10 +139,10 @@
  * @method $this              setUserCameraCap(int $cap)
  * @method int|null           getMeetingCameraCap()
  * @method $this              setMeetingCameraCap(int $cap)
- * @method array              getDisabledFeatures()
- * @method $this              setDisabledFeatures(array $disabledFeatures)
- * @method array              getDisabledFeaturesExclude()
- * @method $this              setDisabledFeaturesExclude(array $disabledFeaturesExclude)
+ * @method array<Feature>     getDisabledFeatures()
+ * @method $this              setDisabledFeatures(array<Feature> $disabledFeatures)
+ * @method array<Feature>     getDisabledFeaturesExclude()
+ * @method $this              setDisabledFeaturesExclude(array<Feature> $disabledFeaturesExclude)
  * @method bool|null          isPreUploadedPresentationOverrideDefault()
  * @method $this              setPreUploadedPresentationOverrideDefault(bool $preUploadedPresentationOverrideDefault)
  * @method string|null        getPresentationUploadExternalUrl()
@@ -453,9 +453,7 @@ public function addPresentationsModule(SimpleXMLElementExtended $xml): void
             $module->addAttribute('name', 'presentation');
 
             foreach ($this->presentations as $data) {
-                if ($data instanceof Presentation) {
-                    $data->addDocumentToXML($module);
-                }
+                $data->addDocumentToXML($module);
             }
         }
     }
diff --git a/src/Parameters/HooksListParameters.php b/src/Parameters/HooksListParameters.php
index 0df6305c..1356c49a 100644
--- a/src/Parameters/HooksListParameters.php
+++ b/src/Parameters/HooksListParameters.php
@@ -25,8 +25,8 @@
 /**
  * Class HooksListParameters.
  *
- * @method string getMeetingID()
- * @method $this  setMeetingID(string $id)
+ * @method string|null getMeetingID()
+ * @method $this       setMeetingID(string $id)
  */
 final class HooksListParameters extends MetaParameters
 {
diff --git a/src/Parameters/InsertDocumentParameters.php b/src/Parameters/InsertDocumentParameters.php
index 1d799895..8ffad3c8 100644
--- a/src/Parameters/InsertDocumentParameters.php
+++ b/src/Parameters/InsertDocumentParameters.php
@@ -82,9 +82,7 @@ public function getPresentationsAsXML(): string|false
             $module->addAttribute('name', 'presentation');
 
             foreach ($this->presentations as $content) {
-                if ($content instanceof Presentation) {
-                    $content->addDocumentToXML($module);
-                }
+                $content->addDocumentToXML($module);
             }
             $result = $xml->asXML();
         }

From a3b42a4348387362171f28941d44af40459c364c Mon Sep 17 00:00:00 2001
From: Samuel Weirich <4281791+SamuelWei@users.noreply.github.com>
Date: Mon, 21 Sep 2026 19:46:43 +0200
Subject: [PATCH 7/7] Fixes

---
 src/Core/InlinePresentation.php               |  3 +--
 src/Core/Presentation.php                     | 14 -----------
 src/Core/UrlPresentation.php                  |  9 +++++++
 src/Http/SetCookie.php                        | 25 +++++++++++--------
 .../SymfonyHttpClientTransport.php            |  2 +-
 5 files changed, 25 insertions(+), 28 deletions(-)

diff --git a/src/Core/InlinePresentation.php b/src/Core/InlinePresentation.php
index 6bd901c1..145d8121 100644
--- a/src/Core/InlinePresentation.php
+++ b/src/Core/InlinePresentation.php
@@ -26,9 +26,8 @@
 
 final class InlinePresentation extends Presentation
 {
-    public function __construct(private readonly string $content, string $filename)
+    public function __construct(private readonly string $content, private readonly string $filename)
     {
-        $this->filename = $filename;
     }
 
     #[\Override]
diff --git a/src/Core/Presentation.php b/src/Core/Presentation.php
index 06b074a2..927f1f23 100644
--- a/src/Core/Presentation.php
+++ b/src/Core/Presentation.php
@@ -26,8 +26,6 @@
 
 abstract class Presentation
 {
-    protected ?string $filename = null;
-
     protected ?bool $current = null;
 
     protected ?bool $downloadable = null;
@@ -55,18 +53,6 @@ public function addDocumentToXML(SimpleXMLElementExtended $module): ?SimpleXMLEl
 
     abstract public function getArrayKey(): string;
 
-    public function getFilename(): ?string
-    {
-        return $this->filename;
-    }
-
-    public function setFilename(string $filename): self
-    {
-        $this->filename = $filename;
-
-        return $this;
-    }
-
     public function getCurrent(): ?bool
     {
         return $this->current;
diff --git a/src/Core/UrlPresentation.php b/src/Core/UrlPresentation.php
index f1ba7875..ae4c9976 100644
--- a/src/Core/UrlPresentation.php
+++ b/src/Core/UrlPresentation.php
@@ -26,6 +26,8 @@
 
 final class UrlPresentation extends Presentation
 {
+    private ?string $filename = null;
+
     public function __construct(private readonly string $url)
     {
     }
@@ -48,4 +50,11 @@ public function addDocumentToXML(SimpleXMLElementExtended $module): ?SimpleXMLEl
 
         return $document;
     }
+
+    public function setFilename(string $filename): self
+    {
+        $this->filename = $filename;
+
+        return $this;
+    }
 }
diff --git a/src/Http/SetCookie.php b/src/Http/SetCookie.php
index 25bca177..052abbcd 100644
--- a/src/Http/SetCookie.php
+++ b/src/Http/SetCookie.php
@@ -47,9 +47,7 @@ final class SetCookie implements \Stringable
         'HttpOnly' => false,
     ];
 
-    /**
-     * @var array<string,string|bool|int|null> Cookie data
-     */
+    /** @var array<string,string|bool|int|null> Cookie data */
     private array $data;
 
     /**
@@ -238,17 +236,22 @@ public function getExpires(): string|bool|int|null
      */
     public function setExpires(int|string $timestamp): void
     {
-        $this->data['Expires'] = is_numeric($timestamp)
-            ? (int) $timestamp
-            : strtotime($timestamp);
+        if (is_numeric($timestamp)) {
+            $this->data['Expires'] = (int) $timestamp;
+
+            return;
+        }
+
+        $expires = strtotime($timestamp);
+        $this->data['Expires'] = $expires !== false ? $expires : null;
     }
 
     /**
      * Get whether this is a secure cookie.
      */
-    public function getSecure(): string|bool|int|null
+    public function getSecure(): bool
     {
-        return $this->data['Secure'];
+        return (bool) $this->data['Secure'];
     }
 
     /**
@@ -264,9 +267,9 @@ public function setSecure(bool $secure): void
     /**
      * Get whether or not this is a session cookie.
      */
-    public function getDiscard(): string|bool|int|null
+    public function getDiscard(): bool
     {
-        return $this->data['Discard'];
+        return (bool) $this->data['Discard'];
     }
 
     /**
@@ -381,7 +384,7 @@ public function isExpired(): bool
     public function validate(): bool|string
     {
         $name = $this->getName();
-        if ($name === '') {
+        if ($name === null || $name === '') {
             return 'The cookie name must not be empty';
         }
 
diff --git a/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php b/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
index 6c093a13..608092fb 100644
--- a/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
+++ b/src/Http/Transport/Bridge/SymfonyHttpClient/SymfonyHttpClientTransport.php
@@ -126,7 +126,7 @@ public function request(TransportRequest $request): TransportResponse
      * @throws RedirectionExceptionInterface
      * @throws ServerExceptionInterface
      */
-    private static function extractJsessionCookie(ResponseInterface $symfonyResponse): bool|int|string|null
+    private static function extractJsessionCookie(ResponseInterface $symfonyResponse): string|int|bool|null
     {
         $responseHeaders = $symfonyResponse->getHeaders();