fix: phpstan errors in src

Author: s3b4stian

src/Linna/Authentication/ProtectedControllerTrait.php

@@ -22,7 +22,7 @@
  *
  * <p>This trait contains only private mothods.</p>
  */
-trait ProtectedControllerTrait
+trait ProtectedControllerTrait // @phpstan-ignore trait.unused
 {
     /** @var bool Contain login status. */
     private bool $authentication = false;

src/Linna/Autoloader.php

@@ -88,6 +88,7 @@ public function register(): bool
         $callback = '\Linna\Autoloader::loadClass';
         $result = false;
 
+        /** @phpstan-ignore-next-line */
         if (\is_callable($callback)) {
             /** @phpstan-ignore-next-line */
             $result = $result || \spl_autoload_register($callback);

src/Linna/Cache/RedisCache.php

@@ -40,6 +40,7 @@ public function __construct(array $options)
         $this->redis = new Redis();
         $callback = [$this->redis, 'connect'];
 
+        /** @phpstan-ignore-next-line */
         if (!isset($options['connect']['host']) || \is_callable($callback) && !\call_user_func_array($callback, $options['connect'])) {
             throw new InvalidArgumentException('Unable to connect to Redis server.');
         }

src/Linna/Session/EncryptedSessionHandler.php

@@ -134,6 +134,10 @@ public function read(string $id): string|false
         //get encrypted session data
         $ciphertext = $this->handler->read($id);
 
+        if ($ciphertext === false) {
+            return "";
+        }
+
         //if session doesn't contain data, return a void string
         if (\strlen($ciphertext) === 0) {
             return "";

src/Linna/Storage/ExtendedPDO.php

@@ -39,6 +39,7 @@ public function queryWithParam(string $query, array $params): PDOStatement|false
 
         $callback = [$statement, "bindParam"];
 
+        /** @phpstan-ignore-next-line */
         if (\is_callable($callback)) {
             foreach ($params as $value) {
                 $this->checkValue($value);