SP-1095 Default to null

Author: bobbrodie

phpdoc.dist.xml

@@ -10,7 +10,7 @@
     <output>docs</output>
   </paths>
 
-  <version number="9.1.1">
+  <version number="9.1.2">
     <api format="php">
       <source dsn=".">
         <path>src</path>

src/BitPaySDK/Env.php

@@ -17,7 +17,7 @@ interface Env
     public const TEST_URL = "https://test.bitpay.com/";
     public const PROD_URL = "https://bitpay.com/";
     public const BITPAY_API_VERSION = "2.0.0";
-    public const BITPAY_PLUGIN_INFO = "BitPay_PHP_Client_v9.1.1";
+    public const BITPAY_PLUGIN_INFO = "BitPay_PHP_Client_v9.1.2";
     public const BITPAY_API_FRAME = "std";
     public const BITPAY_API_FRAME_VERSION = "1.0.0";
 }

src/BitPaySDK/Util/RESTcli/RESTcli.php

@@ -66,7 +66,7 @@ class RESTcli
      * @param string|null $proxy
      * @throws BitPayApiException
      */
-    public function __construct(string $environment, PrivateKey $ecKey, ?string $proxy = null, ?string $platformInfo)
+    public function __construct(string $environment, PrivateKey $ecKey, ?string $proxy = null, ?string $platformInfo = null)
     {
         $this->ecKey = $ecKey;
         $this->baseUrl = $environment == Env::TEST ? Env::TEST_URL : Env::PROD_URL;