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Doc Bug #7710 include'ing doesn't work properly
Submitted: 2000-11-09 01:42 UTC Modified: 2001-03-17 00:24 UTC
From: brozen at torah dot org Assigned:
Status: Closed Package: Documentation problem
PHP Version: 4.0.3pl1 OS: Linux
Private report: No CVE-ID: None
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 [2000-11-09 01:42 UTC] brozen at torah dot org 
Please take a look at this: (php3)

http://zeraim.torah.org/~cblack/testdir/index.php3

http://zeraim.torah.org/~cblack/testdir/index.php3?sid=3

Now, try these: (php4)

http://terumah.teamgenesis.com/~cblack/index.php3

http://terumah.teamgenesis.com/~cblack/index.php3?sid=2

Precisely the same code. PHP on zeraim incorporates the header & footer and then parses all as one, while on terumah it is attempting to parse the header & footer as if they were independent of the file into which they are included.

Or in other words, PHP3 used to incorporate a 'require()ed' file without doing any work on it, and then parsed the whole thing together. So you could have an IF statement in the header [ if (...) { ] that ended in the footer [ } ].

No longer! That's why the same code is generating parse errors.

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 [2000-11-09 01:45 UTC] brozen at torah dot org 
This bug is also reported at:

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=75695
 [2000-11-09 09:52 UTC] sniper@php.net 
Please read this manual page carefully:

http://www.php.net/manual/function.require.php

---

Changed to Documentation problem as I couldn't 
find the incompatibilities list (for PHP 3 vs. PHP 4)
from the manual.

--Jani
 [2000-11-20 05:28 UTC] brozen at torah dot org 
This is not a documentation issue. Read this again before you respond so quickly.
 [2000-11-20 05:31 UTC] brozen at torah dot org 
index.php3:

<? require "header.php3"; ?>

sid is set

<? require "footer.php3"; ?>

header.php3:

<?
        if (isset($sid))
        {

?>

footer.php3:

<?
        }
        else
        {
                echo "sid not set";
        }
?>
 [2000-11-25 09:38 UTC] zeev@php.net 
This is in fact a documentation issue.
PHP 4.0 changed the behavior of require(), and each separate file must now be parsable by itself.  It's a result of a fundemental change that took place between PHP 3 and 4, and this behavior will remain as is...

You'd have to find an alternative way of doing what you want (which should be fairly easy).

Doc team:  The documentation for require() is no longer close to being accurate for PHP 4.0 in general, and PHP 4.0.2&later in particular...  It's basically just like include() today, except it can't fail, and would bail out if it does.
 [2000-11-26 04:01 UTC] brozen at torah dot org 
May I ask why this change was made?

I was wondering if you could help us find an alternate way -- we couldn't find one -- so please share the knowledge with those who couldn't find it easily like you! ;-)

Nonetheless, I can't imagine why functionality like what we're interested in isn't available in PHP. It seems like pretty basic stuff...

Thanks.
 [2001-03-17 00:24 UTC] jmcastagnetto@php.net 
change in behavior already documented in manual.
 
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