diff --git a/Provider/AbstractHttpProvider.php b/Provider/AbstractHttpProvider.php
index <HASH>..<HASH> 100644
--- a/Provider/AbstractHttpProvider.php
+++ b/Provider/AbstractHttpProvider.php
@@ -96,7 +96,7 @@ abstract class AbstractHttpProvider extends AbstractProvider
         }
 
         $body = (string) $response->getBody();
-        if (empty($body)) {
+        if ('' === $body) {
             throw InvalidServerResponse::emptyResponse((string) $request->getUri());
         }
Replace empty() by more strict checks (#<I>)

* Replace empty() by stricter checks



* Apply StyleCI fixes



* Compare with empty string instead of checking length



* Compare with empty array instead of checking count



* Compare with empty string instead of checking length