facebook/hhvm — pull request #2620 by danslo (2014-05-06 15:17:03+00:00)
Title: allow redirects in SoapClient requests

PHP hardcodes this number to 20, but it is never set for SoapClient. I
introduced a constant in HttpClient and replaced 20 in UrlFile as well.

https://github.com/php/php-src/blob/PHP-5.6/ext/standard/http_fopen_wrapper.c#L76