From:             drbezborodow at webpathways dot com
Operating system: UNIX
PHP version:      4.3.2
PHP Bug Type:     Feature/Change Request
Bug description:  <?xml tag mistaken for <?php

Description:
------------
I am not totally sure which version of PHP my web server is using, but I
am positive that it is PHP4+. The web host's website is:
www.echoechoplus.com

Getting to the point, the PHP server mistakes this tag:
<?xml version="1.0" encoding="iso-8859-1"?>
for the opening and closing of <?php and ?>

The truth is that the designers overlooked (as is understandable in such a
huge project) the fact that there are other technologies out there other
than PHP.

The server belives that <?xml is really <?php so it says, "sorry, you have
made an error. We can't show you this page."

The fact is: if I said, "I wan't apples", the server shouldn't say,
"sorry, you spelt oranges incorrectly, please try again"! ;)

A temporary workaround for this problem is VERY simple:

<?php print "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>" ?>

Reproduce code:
---------------
Create a file named whatever you like with the php extension (ie
whatever.php).

In this document, put these XHTML tags in line one, save it and then run
the page on a PHP server:

<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en">

Expected result:
----------------
The tag would have been as normal:
<?xml version="1.0" encoding="iso-8859-1"?>

The PHP Engine should have had nothing to do with this tag. It is an XML
tag, but the server thought it was the beginning and end of a PHP script.
IE: <?php /*content*/ ?>

Actual result:
--------------
Parse error: parse error in /home/hbsast/harriscoaches.com.au/index.php on
line 1

-- 
Edit bug report at http://bugs.php.net/?id=24825&edit=1
-- 
Try a CVS snapshot (php4):  http://bugs.php.net/fix.php?id=24825&r=trysnapshot4
Try a CVS snapshot (php5):  http://bugs.php.net/fix.php?id=24825&r=trysnapshot5
Fixed in CVS:               http://bugs.php.net/fix.php?id=24825&r=fixedcvs
Fixed in release:           http://bugs.php.net/fix.php?id=24825&r=alreadyfixed
Need backtrace:             http://bugs.php.net/fix.php?id=24825&r=needtrace
Try newer version:          http://bugs.php.net/fix.php?id=24825&r=oldversion
Not developer issue:        http://bugs.php.net/fix.php?id=24825&r=support
Expected behavior:          http://bugs.php.net/fix.php?id=24825&r=notwrong
Not enough info:            http://bugs.php.net/fix.php?id=24825&r=notenoughinfo
Submitted twice:            http://bugs.php.net/fix.php?id=24825&r=submittedtwice
register_globals:           http://bugs.php.net/fix.php?id=24825&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=24825&r=php3
Daylight Savings:           http://bugs.php.net/fix.php?id=24825&r=dst
IIS Stability:              http://bugs.php.net/fix.php?id=24825&r=isapi
Install GNU Sed:            http://bugs.php.net/fix.php?id=24825&r=gnused

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