>>437
なるほど、俺が無知だった。
おかしいわけじゃなかったんだな。

ちなみに、うちだと書き込み可にするだけならこんな感じで行けた

--- a/vendor/pear-pear.php.net/HTTP_Request2/HTTP/Request2/Adapter/Curl.php
+++ b/vendor/pear-pear.php.net/HTTP_Request2/HTTP/Request2/Adapter/Curl.php
@@ -412,10 +412,10 @@
         // no redirects, no digest auth -> probably no rewind needed
         // also apply workaround only for POSTs, othrerwise we get
         // https://pear.php.net/bugs/bug.php?id=20440 for PUTs
-        if (!$this->request->getConfig('follow_redirects')
+        if (/* !$this->request->getConfig('follow_redirects')
             && (!($auth = $this->request->getAuth())
                 || HTTP_Request2::AUTH_DIGEST != $auth['scheme'])
-            || HTTP_Request2::METHOD_POST !== $this->request->getMethod()
+            || */ HTTP_Request2::METHOD_POST !== $this->request->getMethod()
         ) {
             curl_setopt($ch, CURLOPT_READFUNCTION, array($this, 'callbackReadBody'));