PHP (Apache) silently converting HTTP 429 and others to 500

Question

I just discovered an oddity in PHP\'s header() method silently converting some of my statuses to 500. Since I had no luck in finding mention of this behavior in various web

Answer 1

It's perhaps your SAPI configuraiton. Last time I tested something similar, the conclusion looked like this:

Which in your case works still well for me (Apache 2.2 / FCGI / Windows):

>curl -i "http://local.example.com/header-test.php"
HTTP/1.1 429 Too Many Requests
Date: Thu, 18 Jul 2013 23:49:09 GMT
Server: Apache/2.2.22 (Win32) mod_fcgid/2.3.6
X-Powered-By: PHP/5.4.13
Transfer-Encoding: chunked
Content-Type: text/html

Too Many Requests