From:             jdesrosi at gmail dot com
Operating system: Fedora 18
PHP version:      5.4.15
Package:          Built-in web server
Bug Type:         Bug
Bug description:304 responses return Content-Type header

Description:
------------
I have discovered that the built-in php web server sends a default
Content-Type 
header (text/html) when responding with HTTP/1.1 304 Not Modified.  This
clobbers 
the Content-Type stored in a cache and violates RFC2616-10.3.5 
(http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.5)

"If the conditional GET used a strong cache validator (see section 13.3.3),
the 
response SHOULD NOT include other entity-headers. Otherwise (i.e., the 
conditional GET used a weak validator), the response MUST NOT include other

entity-headers; this prevents inconsistencies between cached entity-bodies
and 
updated headers."

I have found related tickets related the Apache.  This ticket differs only
in 
that it refers to the built-in web server.

Test script:
---------------
<?php

header('HTTP/1.1 304 Not Modified');

Expected result:
----------------
HTTP/1.1 304 Not Modified
Host: localhost:8001
Connection: close
X-Powered-By: PHP/5.4.14

Actual result:
--------------
HTTP/1.1 304 Not Modified
Host: localhost:8001
Connection: close
X-Powered-By: PHP/5.4.14
Content-type: text/html

-- 
Edit bug report at https://bugs.php.net/bug.php?id=64878&edit=1
-- 
Try a snapshot (PHP 5.4):   
https://bugs.php.net/fix.php?id=64878&r=trysnapshot54
Try a snapshot (PHP 5.3):   
https://bugs.php.net/fix.php?id=64878&r=trysnapshot53
Try a snapshot (trunk):     
https://bugs.php.net/fix.php?id=64878&r=trysnapshottrunk
Fixed in SVN:               https://bugs.php.net/fix.php?id=64878&r=fixed
Fixed in release:           https://bugs.php.net/fix.php?id=64878&r=alreadyfixed
Need backtrace:             https://bugs.php.net/fix.php?id=64878&r=needtrace
Need Reproduce Script:      https://bugs.php.net/fix.php?id=64878&r=needscript
Try newer version:          https://bugs.php.net/fix.php?id=64878&r=oldversion
Not developer issue:        https://bugs.php.net/fix.php?id=64878&r=support
Expected behavior:          https://bugs.php.net/fix.php?id=64878&r=notwrong
Not enough info:            
https://bugs.php.net/fix.php?id=64878&r=notenoughinfo
Submitted twice:            
https://bugs.php.net/fix.php?id=64878&r=submittedtwice
register_globals:           https://bugs.php.net/fix.php?id=64878&r=globals
PHP 4 support discontinued: https://bugs.php.net/fix.php?id=64878&r=php4
Daylight Savings:           https://bugs.php.net/fix.php?id=64878&r=dst
IIS Stability:              https://bugs.php.net/fix.php?id=64878&r=isapi
Install GNU Sed:            https://bugs.php.net/fix.php?id=64878&r=gnused
Floating point limitations: https://bugs.php.net/fix.php?id=64878&r=float
No Zend Extensions:         https://bugs.php.net/fix.php?id=64878&r=nozend
MySQL Configuration Error:  https://bugs.php.net/fix.php?id=64878&r=mysqlcfg

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