From 89d351be75304bc3250c6f2bf48fb9f2eb1a1cae Mon Sep 17 00:00:00 2001
From: Baptiste Leduc <baptiste.leduc@gmail.com>
Date: Sat, 30 Nov 2019 20:40:44 +0100
Subject: [PATCH] Fixes #173

---
 src/OpenApi/Guesser/OpenApiSchema/OpenApiGuesser.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/OpenApi/Guesser/OpenApiSchema/OpenApiGuesser.php b/src/OpenApi/Guesser/OpenApiSchema/OpenApiGuesser.php
index fe43d77b1f..0d8e960512 100644
--- a/src/OpenApi/Guesser/OpenApiSchema/OpenApiGuesser.php
+++ b/src/OpenApi/Guesser/OpenApiSchema/OpenApiGuesser.php
@@ -103,13 +103,13 @@ protected function getClassFromOperation($name, ?Operation $operation, $referenc
             }
         }
 
-        if ($operation->getRequestBody() && $operation->getRequestBody()->getContent()) {
+        if (null !== $operation->getRequestBody() && is_iterable($operation->getRequestBody()->getContent())) {
             foreach ($operation->getRequestBody()->getContent() as $contentType => $content) {
                 $this->chainGuesser->guessClass($content->getSchema(), $name . 'Body', $reference . '/requestBody/content/' . $contentType . '/schema', $registry);
             }
         }
 
-        if ($operation->getResponses()) {
+        if (is_iterable($operation->getResponses())) {
             foreach ($operation->getResponses() as $status => $response) {
                 if ($response instanceof Response && $response->getContent()) {
                     foreach ($response->getContent() as $contentType => $content) {