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Notice: Undefined index: tracking202fwdlpip (5)

02-21-2015 09:56 AM #1 prof (Member)
Notice: Undefined index: tracking202fwdlpip

Hey.

I wanted to give the STM Mobile Tracker another little run-out for something I'm doing at the moment.

Everything's been going good: The redirects seem super-fast direct linking. GeoIP, Model and ISP detection works fine. It definitely was looking like it would be fit for purpose...

... BUT! Whenever I use a landing page - the outgoing click which looks something like this:

Code:

http://domain.com/tracking202/redirect/lp.php?lpip=811&&subid=6&rotateid=0&t202id=2189

Goes to a PHP error like this.

Code:

Notice: Undefined index: tracking202fwdlpip in /srv/public/tracking202/redirect/lp.php on line 11

Warning: Cannot modify header information - headers already sent by (output started at /srv/public/tracking202/redirect/lp.php:11) in /srv/public/tracking202/redirect/lp.php on line 209

I haven't changed lp.php at all so I don't know why it's kicking up a stink and I've teste this on both PHP5.4 and PHP5.6 with no luck.

Anyone got any ideas?

02-21-2015 11:06 AM #2 prof (Member)

Just been doing some reading around with regard to error reporting and from what I can understand these errors are "NOTICES" rather than critical errors that must be resolved.

So in light of that I've just managed to fix this -- or rather hack it so such errors doesn't display.

In php.ini I've set:

Code:

display_errors = no

This stops the error actually preventing any link/redirect from actually working and everything works as expected.

However - in the server php error logs I still see all the "Undefined index" errors.

I can have them ignored completely from the logs by also adding this to php.ini:

Code:

error_reporting = E_ALL & ~E_NOTICE

My understanding of this is that with this setting all errors will still be reported to my logs apart from NOTICES.

So yeah - I'm up and running it seems - although it would be useful if anyone with a sound knowledge of PHP could chime in and just advise as to whether I'm ok to truly just ignore the reasoning behind why I was seeing these errors in the first place and am ok to 'cover them up' so to speak without meeting future difficulties!

02-21-2015 11:10 AM #3 craigm (Veteran Member)

try add ob_start(); to the start of lp.php

02-21-2015 11:57 AM #4 bbrock32 (Administrator)

It's just a warning, nothing to be worried about.

Remove error reporting and you are good to go.

02-22-2015 07:19 AM #5 prof (Member)

Will pretend I never saw it.

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