WoltLab/WCF — pull request #1398 by SoftCreatR (2013-07-02 21:31:57+00:00)
Title: Improved http_build_query (fixes reCAPTCHA)

As of PHP 5.1.2 (or 5.3?), the default seperator of http_build_query is arg_separator.input, which is "&" in some cases. This may cause some unexpected problems i.e. reCAPTCHA doesn't work as intended.