linter fixes

Author: seba-aln

src/PubNub/CryptoModule.php

@@ -178,7 +178,7 @@ public function parseInput(string | object $input): string
             throw new PubNubResponseParsingException("Decryption error: message is not a string or object");
         }
 
-        if (strlen($input) == '') {
+        if (trim($input) == '') {
             throw new PubNubResponseParsingException("Decryption error: message is empty");
         }
         return $input;

src/PubNub/Endpoints/Access/GrantToken.php

@@ -2,16 +2,17 @@
 
 namespace PubNub\Endpoints\Access;
 
+
 use PubNub\Endpoints\Endpoint;
 use PubNub\Exceptions\PubNubValidationException;
-use PubNub\Models\Consumer\AccessManager\PNAccessManagerGrantResult;
 use PubNub\PubNubUtil;
 use PubNub\Enums\PNHttpMethod;
 use PubNub\Enums\PNOperationType;
 use PubNub\Exceptions\PubNubTokenParseException;
 use PubNub\Models\Consumer\AccessManager\PNAccessManagerTokenResult;
 use PubNub\PubNubCborDecode;
 
+
 class GrantToken extends Endpoint
 {
     protected const PATH = '/v3/pam/%s/grant';
@@ -239,16 +240,16 @@ public function buildPath()
     /**
      * @return string
      */
-    public function sync(): string
+    public function sync() : string
     {
         return parent::sync();
     }
 
     /**
      * @param string $token
-     * @return : string
+     * @return string
      */
-    public function createResponse($response): string
+    public function createResponse($response) : string
     {
         return $response['data']['token'];
     }

src/PubNub/Models/Consumer/FileSharing/PNGetFileDownloadURLResult.php

@@ -2,6 +2,7 @@
 
 namespace PubNub\Models\Consumer\FileSharing;
 
+
 class PNGetFileDownloadURLResult
 {
     protected string $fileUrl;
@@ -13,7 +14,7 @@ public function __construct($result)
 
     public function __toString()
     {
-        return "Get file URL success with URL: %s" % $this->fileUrl;
+        return "Get file URL success with URL: {$this->fileUrl}";
     }
 
     public function getFileUrl()