diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2c0f654..e5ad299 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -8,7 +8,7 @@ on:
 
 jobs:
   tests:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 10
 
     services:
@@ -33,16 +33,16 @@ jobs:
         ports:
           - 6379:6379
 
-    name: PHP 8.3
+    name: PHP 8.5
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: 8.3
+          php-version: 8.5
           tools: composer
           coverage: xdebug
 
@@ -83,7 +83,7 @@ jobs:
           php-coveralls --coverage_clover=build/logs/clover.xml -v
 
   tests-latest:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-24.04
     timeout-minutes: 10
 
     services:
@@ -112,7 +112,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0ff2d72..3a637ee 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,5 +1,5 @@
 ---
-image: registry.gitlab.com/aplus-framework/images/base:4
+image: registry.gitlab.com/aplus-framework/images/base:6
 
 include:
   - template: Security/SAST.gitlab-ci.yml
diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 0100ce9..eb4aad8 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -10,7 +10,7 @@
 use Framework\CodingStandard\Config;
 use Framework\CodingStandard\Finder;
 
-return (new Config())->setDefaultHeaderComment(
+return new Config()->setDefaultHeaderComment(
     'Aplus Framework Session Library',
     'Natan Felles <natanfelles@gmail.com>'
 )->setFinder(
diff --git a/composer.json b/composer.json
index 7ca4c65..c3cbcd0 100644
--- a/composer.json
+++ b/composer.json
@@ -33,16 +33,16 @@
         }
     ],
     "require": {
-        "php": ">=8.3",
+        "php": ">=8.5",
         "ext-memcached": "*",
         "ext-redis": "*",
-        "aplus/database": "^4.0",
-        "aplus/debug": "^4.0",
-        "aplus/log": "^4.0"
+        "aplus/database": "^5.0",
+        "aplus/debug": "^5.0",
+        "aplus/log": "^5.0"
     },
     "require-dev": {
         "ext-xdebug": "*",
-        "aplus/coding-standard": "^2.8",
+        "aplus/coding-standard": "^3.0",
         "ergebnis/composer-normalize": "^2.25",
         "jetbrains/phpstorm-attributes": "^1.0",
         "phpmd/phpmd": "^2.13",
diff --git a/docker-compose.yml b/docker-compose.yml
index 5557e35..d6dfab9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,7 +1,6 @@
-version: "3"
 services:
   package:
-    image: registry.gitlab.com/aplus-framework/images/package:4
+    image: registry.gitlab.com/aplus-framework/images/package:6
     container_name: package-session
     working_dir: /package
     volumes:
diff --git a/guide/index.rst b/guide/index.rst
index 258402c..57e731c 100644
--- a/guide/index.rst
+++ b/guide/index.rst
@@ -274,6 +274,8 @@ These are the DatabaseHandler configs:
 .. code-block:: php
 
     $configs = [
+        // The Database configs
+        'database' => [],
         // The name of the table used for sessions
         'table' => 'Sessions',
         // The maxlifetime used for locking
@@ -325,7 +327,7 @@ A basic example of a table for sessions is below:
 .. code-block:: sql
     
     CREATE TABLE `Sessions` (
-        `id` varchar(128) NOT NULL,
+        `id` char(32) NOT NULL,
         `timestamp` timestamp NOT NULL,
         `data` blob NOT NULL,
         `ip` varchar(45) NOT NULL, -- optional
diff --git a/src/Debug/SessionCollector.php b/src/Debug/SessionCollector.php
index 1b10f50..072d1b0 100644
--- a/src/Debug/SessionCollector.php
+++ b/src/Debug/SessionCollector.php
@@ -358,7 +358,7 @@ protected function renderAutoRegenerateId() : string
      */
     protected function getSaveHandlerConfigs() : array
     {
-        $config = $this->saveHandler->getConfig();
+        $config = $this->saveHandler->getConfigs();
         if ($this->saveHandler instanceof FilesHandler) {
             return [
                 'Directory' => $config['directory'],
diff --git a/src/SaveHandler.php b/src/SaveHandler.php
index ed6a762..212ca7b 100644
--- a/src/SaveHandler.php
+++ b/src/SaveHandler.php
@@ -11,6 +11,7 @@
 
 use Framework\Log\Logger;
 use Framework\Log\LogLevel;
+use OutOfBoundsException;
 use SensitiveParameter;
 
 /**
@@ -29,7 +30,7 @@ abstract class SaveHandler implements \SessionHandlerInterface, \SessionUpdateTi
      *
      * @var array<string,mixed>
      */
-    protected array $config;
+    protected array $configs;
     /**
      * The current data fingerprint.
      *
@@ -74,36 +75,55 @@ abstract class SaveHandler implements \SessionHandlerInterface, \SessionUpdateTi
     /**
      * SessionSaveHandler constructor.
      *
-     * @param array<string,mixed> $config
+     * @param array<string,mixed> $configs
      * @param Logger|null $logger
      */
     public function __construct(
         #[SensitiveParameter]
-        array $config = [],
+        array $configs = [],
         ?Logger $logger = null
     ) {
-        $this->prepareConfig($config);
+        $this->prepareConfigs($configs);
         $this->logger = $logger;
     }
 
     /**
      * Prepare configurations to be used by the save handler.
      *
-     * @param array<string,mixed> $config Custom configs
+     * @param array<string,mixed> $configs Custom configs
      *
      * @codeCoverageIgnore
      */
-    protected function prepareConfig(#[SensitiveParameter] array $config) : void
+    protected function prepareConfigs(#[SensitiveParameter] array $configs) : void
     {
-        $this->config = $config;
+        $this->configs = $configs;
     }
 
     /**
      * @return array<string,mixed>
      */
-    public function getConfig() : array
+    public function getConfigs() : array
     {
-        return $this->config;
+        return $this->configs;
+    }
+
+    /**
+     * Get a config item by key.
+     *
+     * @param string $key
+     * @param bool $nullable
+     *
+     * @return mixed
+     */
+    public function getConfig(string $key, bool $nullable = false) : mixed
+    {
+        if (!\array_key_exists($key, $this->configs)) {
+            if($nullable) {
+                return null;
+            }
+            throw new OutOfBoundsException('Invalid config key: ' . $key);
+        }
+        return $this->configs[$key];
     }
 
     /**
@@ -161,22 +181,28 @@ protected function hasSameFingerprint(string $data) : bool
      */
     protected function getMaxlifetime() : int
     {
-        return (int) ($this->config['maxlifetime'] ?? \ini_get('session.gc_maxlifetime'));
+        return (int) ($this->getConfig('maxlifetime', true) ?? \ini_get('session.gc_maxlifetime'));
     }
 
     /**
      * Get the remote IP address.
      *
+     * - The IP address is present in all HTTP requests.
+     *
      * @return string
      */
     protected function getIP() : string
     {
-        return $_SERVER['REMOTE_ADDR'] ?? '';
+        $key = $this->getConfig('ip_key', true) ?? 'REMOTE_ADDR';
+        return $_SERVER[$key];
     }
 
     /**
      * Get the HTTP User-Agent.
      *
+     * - Allows falling back to an empty string because the User-Agent header
+     * can be omitted.
+     *
      * @return string
      */
     protected function getUA() : string
@@ -187,10 +213,10 @@ protected function getUA() : string
     protected function getKeySuffix() : string
     {
         $suffix = '';
-        if ($this->config['match_ip']) {
+        if ($this->getConfig('match_ip')) {
             $suffix .= ':' . $this->getIP();
         }
-        if ($this->config['match_ua']) {
+        if ($this->getConfig('match_ua')) {
             $suffix .= ':' . $this->getUA();
         }
         if ($suffix) {
@@ -211,18 +237,7 @@ protected function getKeySuffix() : string
      */
     public function validateId($id) : bool
     {
-        if (\PHP_VERSION_ID >= 80400) {
-            return (bool) \preg_match('#\A[0-9a-f]{32}\z#', $id);
-        }
-        $bits = \ini_get('session.sid_bits_per_character') ?: 5;
-        $length = \ini_get('session.sid_length') ?: 40;
-        $bitsRegex = [
-            4 => '[0-9a-f]',
-            5 => '[0-9a-v]',
-            6 => '[0-9a-zA-Z,-]',
-        ];
-        return isset($bitsRegex[$bits])
-            && \preg_match('#\A' . $bitsRegex[$bits] . '{' . $length . '}\z#', $id);
+        return (bool) \preg_match('#\A[0-9a-f]{32}\z#', $id);
     }
 
     /**
diff --git a/src/SaveHandlers/DatabaseHandler.php b/src/SaveHandlers/DatabaseHandler.php
index 2492370..dcd3cf7 100644
--- a/src/SaveHandlers/DatabaseHandler.php
+++ b/src/SaveHandlers/DatabaseHandler.php
@@ -23,7 +23,7 @@
  *
  * ```sql
  * CREATE TABLE `Sessions` (
- *     `id` varchar(128) NOT NULL,
+ *     `id` char(32) NOT NULL,
  *     `timestamp` timestamp NOT NULL,
  *     `data` blob NOT NULL,
  *     `ip` varchar(45) NOT NULL, -- optional
@@ -35,8 +35,6 @@
  * );
  * ```
  *
- * NOTE: As of PHP 8.4 the id column can be `char(32)`.
- *
  * @package session
  */
 class DatabaseHandler extends SaveHandler
@@ -46,12 +44,14 @@ class DatabaseHandler extends SaveHandler
     /**
      * Prepare configurations to be used by the DatabaseHandler.
      *
-     * @param array<string,mixed> $config Custom configs
+     * @param array<string,mixed> $configs Custom configs
      *
      * The custom configs are:
      *
      * ```php
      * $configs = [
+     *     // The Database configs
+     *     'database' => [],
      *     // The name of the table used for sessions
      *     'table' => 'Sessions',
      *     // The maxlifetime used for locking
@@ -63,6 +63,7 @@ class DatabaseHandler extends SaveHandler
      *         'timestamp' => 'timestamp',
      *         'ip' => 'ip',
      *         'ua' => 'ua',
+     *         'user_id' => 'user_id',
      *     ],
      *     // Match IP?
      *     'match_ip' => false,
@@ -72,14 +73,17 @@ class DatabaseHandler extends SaveHandler
      *     'save_ip' => false,
      *     // Independent of match_ua, save the initial User-Agent in the ua column?
      *     'save_ua' => false,
+     *     // Save the user_id?
+     *     'save_user_id' => false,
      * ];
      * ```
      *
      * NOTE: The Database::connect configs was not shown.
      */
-    protected function prepareConfig(#[SensitiveParameter] array $config) : void
+    protected function prepareConfigs(#[SensitiveParameter] array $configs) : void
     {
-        $this->config = \array_replace_recursive([
+        $this->configs = \array_replace_recursive([
+            'database' => [],
             'table' => 'Sessions',
             'maxlifetime' => null,
             'columns' => [
@@ -95,7 +99,7 @@ protected function prepareConfig(#[SensitiveParameter] array $config) : void
             'save_ip' => false,
             'save_ua' => false,
             'save_user_id' => false,
-        ], $config);
+        ], $configs);
     }
 
     public function setDatabase(Database $database) : static
@@ -117,7 +121,7 @@ public function getDatabase() : ?Database
      */
     protected function getTable() : string
     {
-        return $this->config['table'];
+        return $this->getConfig('table');
     }
 
     /**
@@ -129,7 +133,7 @@ protected function getTable() : string
      */
     protected function getColumn(string $key) : string
     {
-        return $this->config['columns'][$key];
+        return $this->getConfig('columns')[$key];
     }
 
     /**
@@ -139,10 +143,10 @@ protected function getColumn(string $key) : string
      */
     protected function addWhereMatchs(Delete | Select | Update $statement) : void
     {
-        if ($this->config['match_ip']) {
+        if ($this->getConfig('match_ip')) {
             $statement->whereEqual($this->getColumn('ip'), $this->getIP());
         }
-        if ($this->config['match_ua']) {
+        if ($this->getConfig('match_ua')) {
             $statement->whereEqual($this->getColumn('ua'), $this->getUA());
         }
     }
@@ -154,7 +158,7 @@ protected function addWhereMatchs(Delete | Select | Update $statement) : void
      */
     protected function addUserIdColumn(array &$columns) : void
     {
-        if ($this->config['save_user_id']) {
+        if ($this->getConfig('save_user_id')) {
             $key = $this->getColumn('user_id');
             $columns[$key] = $_SESSION[$key] ?? null;
         }
@@ -163,7 +167,7 @@ protected function addUserIdColumn(array &$columns) : void
     public function open($path, $name) : bool
     {
         try {
-            $this->database ??= new Database($this->config);
+            $this->database ??= new Database($this->getConfig('database'));
             return true;
         } catch (\Exception $exception) {
             $this->log(
@@ -190,7 +194,8 @@ public function read($id) : string
         $this->addWhereMatchs($statement);
         $row = $statement->limit(1)->run()->fetch();
         $this->sessionExists = (bool) $row;
-        $data = $row->data ?? '';
+        $column = $this->getColumn('data');
+        $data = $row->{$column} ?? '';
         $this->setFingerprint($data);
         return $data;
     }
@@ -222,10 +227,10 @@ protected function writeInsert(string $id, string $data) : bool
             },
             $this->getColumn('data') => $data,
         ];
-        if ($this->config['match_ip'] || $this->config['save_ip']) {
+        if ($this->getConfig('match_ip') || $this->getConfig('save_ip')) {
             $columns[$this->getColumn('ip')] = $this->getIP();
         }
-        if ($this->config['match_ua'] || $this->config['save_ua']) {
+        if ($this->getConfig('match_ua') || $this->getConfig('save_ua')) {
             $columns[$this->getColumn('ua')] = $this->getUA();
         }
         $this->addUserIdColumn($columns);
@@ -307,7 +312,7 @@ public function destroy($id) : bool
     public function gc($max_lifetime) : false | int
     {
         try {
-            $this->database ??= new Database($this->config);
+            $this->database ??= new Database($this->getConfig('database'));
         } catch (\Exception $exception) {
             $this->log(
                 'Session (database): Thrown a ' . \get_class($exception)
diff --git a/src/SaveHandlers/FilesHandler.php b/src/SaveHandlers/FilesHandler.php
index f9fe8c5..c04bb55 100644
--- a/src/SaveHandlers/FilesHandler.php
+++ b/src/SaveHandlers/FilesHandler.php
@@ -30,7 +30,7 @@ class FilesHandler extends SaveHandler
     /**
      * Prepare configurations to be used by the FilesHandler.
      *
-     * @param array<string,mixed> $config Custom configs
+     * @param array<string,mixed> $configs Custom configs
      *
      * The custom configs are:
      *
@@ -47,34 +47,34 @@ class FilesHandler extends SaveHandler
      * ];
      * ```
      */
-    protected function prepareConfig(#[SensitiveParameter] array $config) : void
+    protected function prepareConfigs(#[SensitiveParameter] array $configs) : void
     {
-        $this->config = \array_replace([
+        $this->configs = \array_replace([
             'prefix' => '',
             'directory' => '',
             'match_ip' => false,
             'match_ua' => false,
-        ], $config);
-        if (empty($this->config['directory'])) {
+        ], $configs);
+        if (empty($this->getConfig('directory'))) {
             throw new LogicException('Session config has not a directory');
         }
-        $this->config['directory'] = \rtrim(
-            $this->config['directory'],
+        $this->configs['directory'] = \rtrim(
+            $this->getConfig('directory'),
             \DIRECTORY_SEPARATOR
         ) . \DIRECTORY_SEPARATOR;
-        if (!\is_dir($this->config['directory'])) {
+        if (!\is_dir($this->getConfig('directory'))) {
             throw new LogicException(
-                'Session config directory does not exist: ' . $this->config['directory']
+                'Session config directory does not exist: ' . $this->getConfig('directory')
             );
         }
-        if ($this->config['prefix']) {
-            $dirname = $this->config['directory'] . $this->config['prefix'] . \DIRECTORY_SEPARATOR;
+        if ($this->getConfig('prefix')) {
+            $dirname = $this->getConfig('directory') . $this->getConfig('prefix') . \DIRECTORY_SEPARATOR;
             if (!\is_dir($dirname) && !\mkdir($dirname, 0700) && !\is_dir($dirname)) {
                 throw new RuntimeException(
                     "Session prefix directory '{$dirname}' was not created",
                 );
             }
-            $this->config['directory'] = $dirname;
+            $this->configs['directory'] = $dirname;
         }
     }
 
@@ -88,7 +88,7 @@ protected function prepareConfig(#[SensitiveParameter] array $config) : void
      */
     protected function getFilename(string $id) : string
     {
-        $filename = $this->config['directory'] . $id[0] . $id[1] . \DIRECTORY_SEPARATOR . $id;
+        $filename = $this->getConfig('directory') . $id[0] . $id[1] . \DIRECTORY_SEPARATOR . $id;
         return $filename . $this->getKeySuffix();
     }
 
@@ -189,10 +189,10 @@ public function destroy($id) : bool
 
     public function gc($max_lifetime) : false | int
     {
-        $dirHandle = \opendir($this->config['directory']);
+        $dirHandle = \opendir($this->getConfig('directory'));
         if ($dirHandle === false) {
             $this->log(
-                "Session (files): Garbage Collector could not open directory '{$this->config['directory']}'",
+                "Session (files): Garbage Collector could not open directory '{$this->getConfig('directory')}'",
                 LogLevel::DEBUG
             );
             return false;
@@ -202,10 +202,10 @@ public function gc($max_lifetime) : false | int
         while (($filename = \readdir($dirHandle)) !== false) {
             if ($filename !== '.'
                 && $filename !== '..'
-                && \is_dir($this->config['directory'] . $filename)
+                && \is_dir($this->getConfig('directory') . $filename)
             ) {
                 $gcCount += $this->gcSubdir(
-                    $this->config['directory'] . $filename,
+                    $this->getConfig('directory') . $filename,
                     $max_lifetime
                 );
             }
diff --git a/src/SaveHandlers/MemcachedHandler.php b/src/SaveHandlers/MemcachedHandler.php
index 08444b1..ec1b3d9 100644
--- a/src/SaveHandlers/MemcachedHandler.php
+++ b/src/SaveHandlers/MemcachedHandler.php
@@ -27,7 +27,7 @@ class MemcachedHandler extends SaveHandler
     /**
      * Prepare configurations to be used by the MemcachedHandler.
      *
-     * @param array<string,mixed> $config Custom configs
+     * @param array<string,mixed> $configs Custom configs
      *
      * The custom configs are:
      *
@@ -62,9 +62,9 @@ class MemcachedHandler extends SaveHandler
      * ];
      * ```
      */
-    protected function prepareConfig(#[SensitiveParameter] array $config) : void
+    protected function prepareConfigs(#[SensitiveParameter] array $configs) : void
     {
-        $this->config = \array_replace_recursive([
+        $this->configs = \array_replace_recursive([
             'prefix' => '',
             'servers' => [
                 [
@@ -82,8 +82,8 @@ protected function prepareConfig(#[SensitiveParameter] array $config) : void
             'maxlifetime' => null,
             'match_ip' => false,
             'match_ua' => false,
-        ], $config);
-        foreach ($this->config['servers'] as $index => $server) {
+        ], $configs);
+        foreach ($this->getConfig('servers') as $index => $server) {
             if (!isset($server['host'])) {
                 throw new OutOfBoundsException(
                     "Memcached host not set on server config '{$index}'"
@@ -132,7 +132,7 @@ protected function getExpiration(int $seconds) : int
      */
     protected function getKey(string $id) : string
     {
-        return $this->config['prefix'] . $id . $this->getKeySuffix();
+        return $this->getConfig('prefix') . $id . $this->getKeySuffix();
     }
 
     public function open($path, $name) : bool
@@ -142,7 +142,7 @@ public function open($path, $name) : bool
         }
         $this->memcached = new Memcached();
         $pool = [];
-        foreach ($this->config['servers'] as $server) {
+        foreach ($this->getConfig('servers') as $server) {
             $host = $server['host'] . ':' . ($server['port'] ?? 11211);
             if (\in_array($host, $pool, true)) {
                 $this->log(
@@ -162,7 +162,7 @@ public function open($path, $name) : bool
             }
             $pool[] = $host;
         }
-        $result = $this->memcached->setOptions($this->config['options']);
+        $result = $this->memcached->setOptions($this->getConfig('options'));
         if ($result === false) {
             $this->log('Session (memcached): ' . $this->memcached->getLastErrorMessage());
         }
@@ -204,7 +204,7 @@ public function write($id, $data) : bool
         $this->memcached->replace(
             $this->lockId,
             \time(),
-            $this->getExpiration($this->config['lock_ttl'])
+            $this->getExpiration($this->getConfig('lock_ttl'))
         );
         $maxlifetime = $this->getExpiration($this->getMaxlifetime());
         if ($this->hasSameFingerprint($data)) {
@@ -256,16 +256,16 @@ public function gc($max_lifetime) : false | int
 
     protected function lock(string $id) : bool
     {
-        $expiration = $this->getExpiration($this->config['lock_ttl']);
+        $expiration = $this->getExpiration($this->getConfig('lock_ttl'));
         if ($this->lockId && $this->memcached->get($this->lockId)) {
             return $this->memcached->replace($this->lockId, \time(), $expiration);
         }
         $lockId = $this->getKey($id) . ':lock';
         $attempt = 0;
-        while ($attempt < $this->config['lock_attempts']) {
+        while ($attempt < $this->getConfig('lock_attempts')) {
             $attempt++;
             if ($this->memcached->get($lockId)) {
-                \usleep($this->config['lock_sleep']);
+                \usleep($this->getConfig('lock_sleep'));
                 continue;
             }
             if (!$this->memcached->set($lockId, \time(), $expiration)) {
@@ -275,7 +275,7 @@ protected function lock(string $id) : bool
             $this->lockId = $lockId;
             break;
         }
-        if ($attempt === $this->config['lock_attempts']) {
+        if ($attempt === $this->getConfig('lock_attempts')) {
             $this->log(
                 "Session (memcached): Unable to lock {$lockId} after {$attempt} attempts"
             );
diff --git a/src/SaveHandlers/RedisHandler.php b/src/SaveHandlers/RedisHandler.php
index 8ac9beb..77e9918 100644
--- a/src/SaveHandlers/RedisHandler.php
+++ b/src/SaveHandlers/RedisHandler.php
@@ -27,7 +27,7 @@ class RedisHandler extends SaveHandler
     /**
      * Prepare configurations to be used by the RedisHandler.
      *
-     * @param array<string,mixed> $config Custom configs
+     * @param array<string,mixed> $configs Custom configs
      *
      * The custom configs are:
      *
@@ -60,9 +60,9 @@ class RedisHandler extends SaveHandler
      * ];
      * ```
      */
-    protected function prepareConfig(#[SensitiveParameter] array $config) : void
+    protected function prepareConfigs(#[SensitiveParameter] array $configs) : void
     {
-        $this->config = \array_replace([
+        $this->configs = \array_replace([
             'prefix' => '',
             'host' => '127.0.0.1',
             'port' => 6379,
@@ -75,7 +75,7 @@ protected function prepareConfig(#[SensitiveParameter] array $config) : void
             'maxlifetime' => null,
             'match_ip' => false,
             'match_ua' => false,
-        ], $config);
+        ], $configs);
     }
 
     public function setRedis(Redis $redis) : static
@@ -100,7 +100,7 @@ public function getRedis() : ?Redis
      */
     protected function getKey(string $id) : string
     {
-        return $this->config['prefix'] . $id . $this->getKeySuffix();
+        return $this->getConfig('prefix') . $id . $this->getKeySuffix();
     }
 
     public function open($path, $name) : bool
@@ -111,30 +111,30 @@ public function open($path, $name) : bool
         $this->redis = new Redis();
         try {
             @$this->redis->connect(
-                $this->config['host'],
-                $this->config['port'],
-                $this->config['timeout']
+                $this->getConfig('host'),
+                $this->getConfig('port'),
+                $this->getConfig('timeout')
             );
         } catch (RedisException) {
             $this->log(
                 'Session (redis): Could not connect to server '
-                . $this->config['host'] . ':' . $this->config['port']
+                . $this->getConfig('host') . ':' . $this->getConfig('port')
             );
             return false;
         }
-        if (isset($this->config['password'])) {
+        if ($this->getConfig('password', true) !== null) {
             try {
-                $this->redis->auth($this->config['password']);
+                $this->redis->auth($this->getConfig('password'));
             } catch (RedisException) {
                 $this->log('Session (redis): Authentication failed');
                 return false;
             }
         }
-        if (isset($this->config['database'])
-            && !$this->redis->select($this->config['database'])
+        if ($this->getConfig('database', true) !== null
+            && !$this->redis->select($this->getConfig('database'))
         ) {
             $this->log(
-                "Session (redis): Could not select the database '{$this->config['database']}'"
+                "Session (redis): Could not select the database '{$this->getConfig('database')}'"
             );
             return false;
         }
@@ -171,7 +171,7 @@ public function write($id, $data) : bool
             return false;
         }
         $maxlifetime = $this->getMaxlifetime();
-        $this->redis->expire($this->lockId, $this->config['lock_ttl']);
+        $this->redis->expire($this->lockId, $this->getConfig('lock_ttl'));
         if ($this->sessionExists === false || !$this->hasSameFingerprint($data)) {
             if ($this->redis->set($this->getKey($id), $data, $maxlifetime)) {
                 $this->setFingerprint($data);
@@ -233,17 +233,17 @@ public function gc($max_lifetime) : false | int
 
     protected function lock(string $id) : bool
     {
-        $ttl = $this->config['lock_ttl'];
+        $ttl = $this->getConfig('lock_ttl');
         if ($this->lockId && $this->redis->get($this->lockId)) {
             return $this->redis->expire($this->lockId, $ttl);
         }
         $lockId = $this->getKey($id) . ':lock';
         $attempt = 0;
-        while ($attempt < $this->config['lock_attempts']) {
+        while ($attempt < $this->getConfig('lock_attempts')) {
             $attempt++;
             $oldTtl = $this->redis->ttl($lockId);
             if (\is_int($oldTtl) && $oldTtl > 0) {
-                \usleep($this->config['lock_sleep']);
+                \usleep($this->getConfig('lock_sleep'));
                 continue;
             }
             if (!$this->redis->setex($lockId, $ttl, (string) \time())) {
@@ -253,7 +253,7 @@ protected function lock(string $id) : bool
             $this->lockId = $lockId;
             break;
         }
-        if ($attempt === $this->config['lock_attempts']) {
+        if ($attempt === $this->getConfig('lock_attempts')) {
             $this->log(
                 "Session (redis): Unable to lock {$lockId} after {$attempt} attempts"
             );
diff --git a/tests/Debug/SessionCollectorTest.php b/tests/Debug/SessionCollectorTest.php
index 486cada..425a65f 100644
--- a/tests/Debug/SessionCollectorTest.php
+++ b/tests/Debug/SessionCollectorTest.php
@@ -177,7 +177,8 @@ public function testSaveHandlers(SaveHandler $handler) : void
 
     public function testCustomSaveHandlers() : void
     {
-        $handler = new class() extends SaveHandler {
+        $handler = new class() extends SaveHandler
+        {
             public function open($path, $name) : bool
             {
                 return true;
@@ -263,14 +264,16 @@ public static function saveHandlerProvider() : Generator
             ]),
         ];
         $config = [
-            'username' => \getenv('DB_USERNAME'),
-            'password' => \getenv('DB_PASSWORD'),
-            'schema' => \getenv('DB_SCHEMA'),
-            'host' => \getenv('DB_HOST'),
-            'port' => \getenv('DB_PORT'),
+            'database' => [
+                'username' => \getenv('DB_USERNAME'),
+                'password' => \getenv('DB_PASSWORD'),
+                'schema' => \getenv('DB_SCHEMA'),
+                'host' => \getenv('DB_HOST'),
+                'port' => \getenv('DB_PORT'),
+            ],
             'table' => \getenv('DB_TABLE'),
         ];
-        $database = new Database($config);
+        $database = new Database($config['database']);
         $database->dropTable($config['table'])->ifExists()->run(); // @phpstan-ignore-line
         // @phpstan-ignore-next-line
         $database->createTable($config['table'])
diff --git a/tests/SaveHandlers/AbstractHandler.php b/tests/SaveHandlers/AbstractHandler.php
index 58ee232..01ed3c3 100644
--- a/tests/SaveHandlers/AbstractHandler.php
+++ b/tests/SaveHandlers/AbstractHandler.php
@@ -54,34 +54,11 @@ public function testValidateId() : void
         $id5 = 'iimuf8lvdectatt5jtkve15831funl8rg5cg6okp';
         $id4 = '96aa2c863140e0e714a603cf44b0afc9a0632592';
         $this->session->stop();
-        /*
-         * Since PHP 8.4 session.sid_bits_per_character and session.sid_length
-         * are deprecated.
-         *
-         * - The default value for session.sid_bits_per_character is 4 (0-9, a-f).
-         * - The default value for session.sid_length is 32 character.
-         */
-        if (\PHP_VERSION_ID >= 80400) {
-            self::assertFalse($this->handler->validateId($id6));
-            self::assertFalse($this->handler->validateId($id5));
-            self::assertFalse($this->handler->validateId($id4));
-            $idPhp84 = '96aa2c863140e0e714a603cf44b0afc9';
-            self::assertTrue($this->handler->validateId($idPhp84));
-            return;
-        }
-        \ini_set('session.sid_bits_per_character', '6');
-        \ini_set('session.sid_length', '40');
-        self::assertTrue($this->handler->validateId($id6));
-        self::assertTrue($this->handler->validateId($id5));
-        self::assertTrue($this->handler->validateId($id4));
-        \ini_set('session.sid_bits_per_character', '5');
-        self::assertFalse($this->handler->validateId($id6));
-        self::assertTrue($this->handler->validateId($id5));
-        self::assertTrue($this->handler->validateId($id4));
-        \ini_set('session.sid_bits_per_character', '4');
         self::assertFalse($this->handler->validateId($id6));
         self::assertFalse($this->handler->validateId($id5));
-        self::assertTrue($this->handler->validateId($id4));
+        self::assertFalse($this->handler->validateId($id4));
+        $idPhp84 = '96aa2c863140e0e714a603cf44b0afc9';
+        self::assertTrue($this->handler->validateId($idPhp84));
     }
 
     public function testGC() : void
@@ -109,4 +86,18 @@ public function testReset() : void
     {
         self::assertTrue($this->session->reset());
     }
+
+    public function testGetConfig() : void
+    {
+        if (isset($this->config['match_ip'])) {
+            self::assertSame(
+                $this->config['match_ip'],
+                $this->handler->getConfig('match_ip')
+            );
+        }
+        self::assertNull($this->handler->getConfig('foo', true));
+        $this->expectException(\OutOfBoundsException::class);
+        $this->expectExceptionMessage('Invalid config key: foo');
+        $this->handler->getConfig('foo');
+    }
 }
diff --git a/tests/SaveHandlers/DatabaseHandlerTest.php b/tests/SaveHandlers/DatabaseHandlerTest.php
index 9deaba9..693508d 100644
--- a/tests/SaveHandlers/DatabaseHandlerTest.php
+++ b/tests/SaveHandlers/DatabaseHandlerTest.php
@@ -26,11 +26,13 @@ class DatabaseHandlerTest extends AbstractHandler
     public function setUp() : void
     {
         $this->replaceConfig([
-            'username' => \getenv('DB_USERNAME'),
-            'password' => \getenv('DB_PASSWORD'),
-            'schema' => \getenv('DB_SCHEMA'),
-            'host' => \getenv('DB_HOST'),
-            'port' => \getenv('DB_PORT'),
+            'database' => [
+                'username' => \getenv('DB_USERNAME'),
+                'password' => \getenv('DB_PASSWORD'),
+                'schema' => \getenv('DB_SCHEMA'),
+                'host' => \getenv('DB_HOST'),
+                'port' => \getenv('DB_PORT'),
+            ],
             'table' => \getenv('DB_TABLE'),
         ]);
         $this->createDummyData();
@@ -39,7 +41,7 @@ public function setUp() : void
 
     protected function createDummyData() : void
     {
-        $database = new Database($this->config);
+        $database = new Database($this->config['database']);
         $database->dropTable($this->config['table'])->ifExists()->run();
         $database->createTable($this->config['table'])
             ->definition(static function (TableDefinition $definition) : void {
@@ -62,7 +64,8 @@ public function testUserId() : void
         $this->replaceConfig([
             'save_user_id' => true,
         ]);
-        $handler = new class($this->config, $this->logger) extends DatabaseHandler {
+        $handler = new class($this->config, $this->logger) extends DatabaseHandler
+        {
             public ?Database $database;
         };
         $session = new Session(handler: $handler);
@@ -83,9 +86,11 @@ public function testOpenError() : void
     {
         $this->session->stop();
         $handler = new DatabaseHandler([
-            'username' => 'user-error',
-            'password' => \getenv('DB_PASSWORD'),
-            'host' => \getenv('DB_HOST'),
+            'database' => [
+                'username' => 'user-error',
+                'password' => \getenv('DB_PASSWORD'),
+                'host' => \getenv('DB_HOST'),
+            ],
         ], $this->logger);
         $session = new Session([], $handler);
         $this->expectException(\RuntimeException::class);
@@ -104,7 +109,8 @@ public function testOpenError() : void
 
     public function testFailToRead() : void
     {
-        $handler = new class($this->config) extends DatabaseHandler {
+        $handler = new class($this->config) extends DatabaseHandler
+        {
             public ?Database $database;
         };
         $handler->database = null;
@@ -113,13 +119,14 @@ public function testFailToRead() : void
 
     public function testFailToWrite() : void
     {
-        $handler = new class($this->config) extends DatabaseHandler {
+        $handler = new class($this->config) extends DatabaseHandler
+        {
             public ?Database $database;
             public false | string $lockId;
         };
         $handler->database = null;
         self::assertFalse($handler->write('foo', 'data'));
-        $handler->database = new Database($this->config);
+        $handler->database = new Database($this->config['database']);
         $handler->lockId = false;
         self::assertFalse($handler->write('foo', 'data'));
     }
@@ -136,7 +143,8 @@ public function testFailToGC() : void
 
     public function testUnlockWithoutLockId() : void
     {
-        $handler = new class() extends DatabaseHandler {
+        $handler = new class() extends DatabaseHandler
+        {
             public function unlock() : bool
             {
                 return parent::unlock();
@@ -147,7 +155,8 @@ public function unlock() : bool
 
     public function testFailToUnlock() : void
     {
-        $handler = new class($this->config) extends DatabaseHandler {
+        $handler = new class($this->config) extends DatabaseHandler
+        {
             public false | string $lockId;
 
             public function unlock() : bool
@@ -162,7 +171,8 @@ public function unlock() : bool
 
     public function testFailToLock() : void
     {
-        $handler = new class($this->config, $this->logger) extends DatabaseHandler {
+        $handler = new class($this->config, $this->logger) extends DatabaseHandler
+        {
             public function lock(string $id) : bool
             {
                 return parent::lock($id);
diff --git a/tests/SaveHandlers/FilesHandlerTest.php b/tests/SaveHandlers/FilesHandlerTest.php
index ebbced2..fbbe438 100644
--- a/tests/SaveHandlers/FilesHandlerTest.php
+++ b/tests/SaveHandlers/FilesHandlerTest.php
@@ -54,7 +54,8 @@ public function testPrefix() : void
             'prefix' => 'foo',
             'directory' => \getenv('FILES_DIR'),
         ];
-        $handler = new class($config) extends FilesHandler {
+        $handler = new class($config) extends FilesHandler
+        {
             public function getFilename(string $id) : string
             {
                 return parent::getFilename($id);
@@ -68,7 +69,8 @@ public function getFilename(string $id) : string
 
     public function testFailToWrite() : void
     {
-        $handler = new class($this->config) extends FilesHandler {
+        $handler = new class($this->config) extends FilesHandler
+        {
             public $stream;
         };
         $handler->stream = null;
@@ -77,7 +79,8 @@ public function testFailToWrite() : void
 
     public function testUnlockWithoutStream() : void
     {
-        $handler = new class($this->config) extends FilesHandler {
+        $handler = new class($this->config) extends FilesHandler
+        {
             public $stream;
 
             public function unlock() : bool
diff --git a/tests/SaveHandlers/MemcachedHandlerTest.php b/tests/SaveHandlers/MemcachedHandlerTest.php
index 7669821..deab99c 100644
--- a/tests/SaveHandlers/MemcachedHandlerTest.php
+++ b/tests/SaveHandlers/MemcachedHandlerTest.php
@@ -116,7 +116,8 @@ public function testInvalidOption() : void
 
     public function testFailToRead() : void
     {
-        $handler = new class($this->config) extends MemcachedHandler {
+        $handler = new class($this->config) extends MemcachedHandler
+        {
             public ?Memcached $memcached;
         };
         $handler->memcached = null;
@@ -125,7 +126,8 @@ public function testFailToRead() : void
 
     public function testFailToWrite() : void
     {
-        $handler = new class($this->config) extends MemcachedHandler {
+        $handler = new class($this->config) extends MemcachedHandler
+        {
             public ?Memcached $memcached;
             public false | string $lockId;
             public ?string $sessionId;
@@ -143,7 +145,8 @@ public function testFailToWrite() : void
 
     public function testUnlocked() : void
     {
-        $handler = new class($this->config) extends MemcachedHandler {
+        $handler = new class($this->config) extends MemcachedHandler
+        {
             public false | string $lockId;
 
             public function unlock() : bool
@@ -158,7 +161,8 @@ public function unlock() : bool
 
     public function testReplaceLock() : void
     {
-        $handler = new class($this->config, $this->logger) extends MemcachedHandler {
+        $handler = new class($this->config, $this->logger) extends MemcachedHandler
+        {
             public ?Memcached $memcached;
             public false | string $lockId;
 
@@ -175,7 +179,8 @@ public function lock(string $id) : bool
 
     public function testFailToDestroy() : void
     {
-        $handler = new class($this->config) extends MemcachedHandler {
+        $handler = new class($this->config) extends MemcachedHandler
+        {
             public false | string $lockId;
         };
         $handler->lockId = false;
diff --git a/tests/SaveHandlers/RedisHandlerTest.php b/tests/SaveHandlers/RedisHandlerTest.php
index b8eec6e..8de490b 100644
--- a/tests/SaveHandlers/RedisHandlerTest.php
+++ b/tests/SaveHandlers/RedisHandlerTest.php
@@ -70,7 +70,8 @@ public function testFailToConnectWithDatabase() : void
 
     public function testFailToRead() : void
     {
-        $handler = new class($this->config) extends RedisHandler {
+        $handler = new class($this->config) extends RedisHandler
+        {
             public ?Redis $redis;
         };
         $handler->redis = null;
@@ -79,7 +80,8 @@ public function testFailToRead() : void
 
     public function testFailToWrite() : void
     {
-        $handler = new class($this->config) extends RedisHandler {
+        $handler = new class($this->config) extends RedisHandler
+        {
             public ?Redis $redis;
             public ?string $sessionId;
 
@@ -103,7 +105,8 @@ public function testFailToDestroy() : void
 
     public function testFailToClose() : void
     {
-        $handler = new class($this->config) extends RedisHandler {
+        $handler = new class($this->config) extends RedisHandler
+        {
             public ?Redis $redis;
         };
         $handler->open('', '');
@@ -118,7 +121,8 @@ public function testFailToClose() : void
 
     public function testUnlock() : void
     {
-        $handler = new class($this->config, $this->logger) extends RedisHandler {
+        $handler = new class($this->config, $this->logger) extends RedisHandler
+        {
             public false | string $lockId;
 
             public function unlock() : bool