use of undefined constant

Hello,

I am using PHP 5.1.6 (cli) and MySQL 5.1.11-beta on a FreeBSD 6.1 stable
release. I am trying to make a custom database program work in this
environment. I have it working under MS Windows XP Pro with MySQL
5.0.19-nt and php 4.3.10.

It seems everything is in order. A logging window pops up for me to enter
username and password. I do it but I am never able to log in. I made sure
the username and passwords are OK so this is not the problem.

In the error log I can see this: Use of undefined constant is_admin -
assumed 'is_admin' in /path_to_file.

I understand this is way too few details to suggest any advice but perhaps
you could tell me what to do to output more details? Or maybe someone
knows what the problem may be? I have tried to make sure that php.ini
settings that are different between both machines, are put in .htaccess
file for that database program. One such flag that I need to use with it
is register_globals for example. I know that this is not good to use it
but both boxes operate only in LAN environment.

Any suggestions will be gladly welcome. Thanks!

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Re: use of undefined constant

Zbigniew Szalbot wrote:
> Hello,
>
> I am using PHP 5.1.6 (cli) and MySQL 5.1.11-beta on a FreeBSD 6.1 stable
> release. I am trying to make a custom database program work in this
> environment. I have it working under MS Windows XP Pro with MySQL
> 5.0.19-nt and php 4.3.10.
>
> It seems everything is in order. A logging window pops up for me to
> enter username and password. I do it but I am never able to log in. I
> made sure the username and passwords are OK so this is not the problem.
>
> In the error log I can see this: Use of undefined constant is_admin -
> assumed 'is_admin' in /path_to_file.

I bet you have something like:

$GLOBALS[is_admin]

You need quotes around that, or else (as you've seen) php thinks it's a
constant:

$GLOBALS['is_admin']

A really quick and dodgy fix would be to turn error reporting down - but
you should fix it properly.

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Re: use of undefined constant

Hello again,

On Thu, 26 Oct 2006, Chris wrote:

>> In the error log I can see this: Use of undefined constant is_admin -
>> assumed 'is_admin' in /path_to_file.
>
> I bet you have something like:
>
> $GLOBALS[is_admin]
>
> You need quotes around that, or else (as you've seen) php thinks it's a
> constant:
>
> $GLOBALS['is_admin']
>
> A really quick and dodgy fix would be to turn error reporting down - but you
> should fix it properly.

That fixed the error. Thank you very much!

I am still not able to log in. I am sure this is not the issue of me
entering wrong login/password.

This is the code in the program that uses authorization:

if ( eregi('/admin/',$REQUEST_URI) || eregi('/workers/',$REQUEST_URI) )
{
session_register("id_worker");
session_register("is_admin");

if(!isset($PHP_AUTH_USER) ||
!$id_worker=getWorkerID($PHP_AUTH_USER, $PHP_AUTH_PW))
{
Header( "WWW-authenticate: basic realm='Workers of SGM
only'");
Header( "HTTP/1.0 401 Unauthorized");
echo "You must enter a valid login ID and
password to access this system\n";
exit;
}
}

If by any chance you see an error somewhere here, I will appreciate
further comments.

Many thanks again for such a prompt reply!

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Re: use of undefined constant

Zbigniew Szalbot wrote:
> Hello again,
>
> On Thu, 26 Oct 2006, Chris wrote:
>
>>> In the error log I can see this: Use of undefined constant is_admin -
>>> assumed 'is_admin' in /path_to_file.
>>
>> I bet you have something like:
>>
>> $GLOBALS[is_admin]
>>
>> You need quotes around that, or else (as you've seen) php thinks it's
>> a constant:
>>
>> $GLOBALS['is_admin']
>>
>> A really quick and dodgy fix would be to turn error reporting down -
>> but you should fix it properly.
>
> That fixed the error. Thank you very much!
>
> I am still not able to log in. I am sure this is not the issue of me
> entering wrong login/password.
>
> This is the code in the program that uses authorization:
>
> if ( eregi('/admin/',$REQUEST_URI) || eregi('/workers/',$REQUEST_URI) )
> {
> session_register("id_worker");
> session_register("is_admin");
>
> if(!isset($PHP_AUTH_USER) || !$id_worker=getWorkerID($PHP_AUTH_USER,
> $PHP_AUTH_PW))
> {
> Header( "WWW-authenticate: basic realm='Workers of SGM only'");
> Header( "HTTP/1.0 401 Unauthorized");
> echo "You must enter a valid login ID and password to
> access this system\n";
> exit;
> }
> }

You'll need to change:

$PHP_AUTH_USER to $_SERVER['PHP_AUTH_USER'] and $PHP_AUTH_PW to
$_SERVER['PHP_AUTH_PW']

The former variables are ok before 4.2.0 (where register_globals was off
by default I think) but now they have moved to the $_SERVER super-global.

Read http://www.php.net/manual/en/language.variables.predefined.p hp

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Re: use of undefined constant

Hello again,

On Thu, 26 Oct 2006, Chris wrote:

> You'll need to change:
>
> $PHP_AUTH_USER to $_SERVER['PHP_AUTH_USER'] and $PHP_AUTH_PW to
> $_SERVER['PHP_AUTH_PW']
>
> The former variables are ok before 4.2.0 (where register_globals was off by
> default I think) but now they have moved to the $_SERVER super-global.
>
> Read http://www.php.net/manual/en/language.variables.predefined.p hp

Thanks a lot again! I am so thankful for your help! It did work. But I
have a curious observation. I can only log in when I delete the password
and just log in using my login. As soon as I write password with field
type PASSWORD or OLD_PASSWORD I am not able to login. Delete the password,
and I am back in the program. Now I guess I will need to talk to the
person who wrote it for us a couple of years ago because I am not sure
what is going on. Presumably as this was written for mysql 3.x something
and php 4.0.x so I guess the code has lots of things which may now be
incompatible.

But again - Chris huge thank you for your help!


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Re: use of undefined constant

Zbigniew Szalbot wrote:
> Hello again,
>
> On Thu, 26 Oct 2006, Chris wrote:
>
>> You'll need to change:
>>
>> $PHP_AUTH_USER to $_SERVER['PHP_AUTH_USER'] and $PHP_AUTH_PW to
>> $_SERVER['PHP_AUTH_PW']
>>
>> The former variables are ok before 4.2.0 (where register_globals was
>> off by default I think) but now they have moved to the $_SERVER
>> super-global.
>>
>> Read http://www.php.net/manual/en/language.variables.predefined.p hp
>
> Thanks a lot again! I am so thankful for your help! It did work. But I
> have a curious observation. I can only log in when I delete the password
> and just log in using my login. As soon as I write password with field
> type PASSWORD or OLD_PASSWORD I am not able to login. Delete the
> password, and I am back in the program. Now I guess I will need to talk
> to the person who wrote it for us a couple of years ago because I am not
> sure what is going on. Presumably as this was written for mysql 3.x
> something and php 4.0.x so I guess the code has lots of things which may
> now be incompatible.

Yeh sounds like the old code needs a bit of an overhaul.

PHP_AUTH_USER and PHP_AUTH_PW are set once per browser session. Try
closing & re-opening your browser. If that doesn't fix the problem with
the passwords, separate things out:

......

$id_worker=getWorkerID($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);


###### this will go into your apache error log or if php has an
error_log it will go there.

error_log('id_worker returned ' . $id_worker);


if(!isset($_SERVER['PHP_AUTH_USER']) || !$id_worker)
{
Header( "WWW-authenticate: basic realm='Workers of SGM only'");
Header( "HTTP/1.0 401 Unauthorized");
echo "You must enter a valid login ID and password to
access this system\n";
exit;
};


and go from there. If id_worker is returning something when it
shouldn't, look at that function and work out why and go "backwards" to
find the problem :)

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Re: use of undefined constant

----- Original Message -----
From: "Chris"
To: "Zbigniew Szalbot"
Cc:
Sent: Thursday, October 26, 2006 9:41 AM
Subject: Re: [PHP-DB] use of undefined constant


> Zbigniew Szalbot wrote:
> > Hello again,
> >
> > On Thu, 26 Oct 2006, Chris wrote:
> >
> >> You'll need to change:
> >>
> >> $PHP_AUTH_USER to $_SERVER['PHP_AUTH_USER'] and $PHP_AUTH_PW to
> >> $_SERVER['PHP_AUTH_PW']
> >>
> >> The former variables are ok before 4.2.0 (where register_globals was
> >> off by default I think) but now they have moved to the $_SERVER
> >> super-global.
> >>
> >> Read http://www.php.net/manual/en/language.variables.predefined.p hp
> >
> > Thanks a lot again! I am so thankful for your help! It did work. But I
> > have a curious observation. I can only log in when I delete the password
> > and just log in using my login. As soon as I write password with field
> > type PASSWORD or OLD_PASSWORD I am not able to login. Delete the
> > password, and I am back in the program. Now I guess I will need to talk
> > to the person who wrote it for us a couple of years ago because I am not
> > sure what is going on. Presumably as this was written for mysql 3.x
> > something and php 4.0.x so I guess the code has lots of things which may
> > now be incompatible.
>
> Yeh sounds like the old code needs a bit of an overhaul.
>
> PHP_AUTH_USER and PHP_AUTH_PW are set once per browser session. Try
> closing & re-opening your browser. If that doesn't fix the problem with
> the passwords, separate things out:
>
> .....
>
> $id_worker=getWorkerID($_SERVER['PHP_AUTH_USER'],
$_SERVER['PHP_AUTH_PW']);
>
>
> ###### this will go into your apache error log or if php has an
> error_log it will go there.
>
> error_log('id_worker returned ' . $id_worker);
>
>
> if(!isset($_SERVER['PHP_AUTH_USER']) || !$id_worker)
> {
> Header( "WWW-authenticate: basic realm='Workers of SGM only'");
> Header( "HTTP/1.0 401 Unauthorized");
> echo "You must enter a valid login ID and password to
> access this system\n";
> exit;
> };
>
>
> and go from there. If id_worker is returning something when it
> shouldn't, look at that function and work out why and go "backwards" to
> find the problem :)
>
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> http://www.designmagick.com/
>
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>

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