--- /dev/null
+--TEST--
+Bug #66388 (Crash on POST with Content-Length:0 and untouched body)
+--SKIPIF--
+<?php php
+include "skipif.inc";
+?>
+--FILE--
+<?php
+
+use http\Client,
+ http\Client\Request;
+
+echo "Test\n";
+
+$client = new Client();
+$request = new Request(
+ 'POST',
+ 'https://api.twitter.com/oauth/request_token',
+ array(
+ 'Content-Length' => 0
+ )
+);
+$client->enqueue($request);
+echo $client->send()->getResponse()->getResponseCode();
+
+?>
+
+===DONE===
+--EXPECT--
+Test
+401
+===DONE===