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Strange Error Displayed - Undefined variable: now
 
iso100
Posted: 27 June 2008 07:59 PM   [ Ignore ]  
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On my blog post detail page I get the following message displayed at the top right where my first weblog entries tag appears.

I thought possibly it was view tracking, so I turned that off temporarily, but the issue didn’t go away. I also thought it might be the related posts by tag functionality (from Solspace’s Tag module) I recently added but that didn’t make it go away either.

I thought it might be GZip output which has been known to cause issues. No help disabling that either.

I recently upgraded this morning from 1.6.2 to 1.6.4 but didn’t notice this error until late this evening. The error is below… any help is appreciated.

Notice: Undefined variable: now in [path to system folder removed]/core/core.functions.php on line 1901

Reproduce by viewing any of my blog posts:

http://www.iso-100.com/blog/post/expressionengine-164-released/

No other page on my site other than a blog post detail page causes the issue.

NOTE: For some strange reason, I’m not seeing this error when I’m also logged into the admin console in that browser. As soon as I log out, I get the error.

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Sue Crocker
Posted: 27 June 2008 08:46 PM   [ Ignore ]   [ # 1 ]  
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Yeah, I was having issues when viewing your posts as a visitor.

But things have gotten better lately.. did you do something to fix it?

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iso100
Posted: 27 June 2008 08:56 PM   [ Ignore ]   [ # 2 ]  
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I’m still seeing the message in FF3 and Safari 3.1, Sue. Are you not seeing it?

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iso100
Posted: 27 June 2008 10:30 PM   [ Ignore ]   [ # 3 ]  
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Any ideas Sue?

Here’s a snippet from core.functions.php, with the referenced error line the one starting with $img_name:

/** -----------------------------------
        /**  Generate the image
        /** -----------------------------------*/
        
        $img_name = $now.'.jpg';

        ImageJPEG($im, $img_path.$img_name);

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iso100
Posted: 27 June 2008 10:33 PM   [ Ignore ]   [ # 4 ]  
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Updating my own post. This lead me to believe it had something to do with Captcha because I couldn’t think of anything else generating a time-based jpg.

I turned off “use truetype fonts” in the captcha settings and the error went away… but so did Captcha on the comment form.

I hope this helped nail things down…

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iso100
Posted: 27 June 2008 10:34 PM   [ Ignore ]   [ # 5 ]  
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Argh. Scratch that… logging into the control panel is what made the error go away. Back to the drawing board.

I still think this is captcha related.

[Edit: Confirmed. Disabled captcha and the error is gone. Wonder what’s up with “now”?]

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Robin Sowell
Posted: 29 June 2008 10:38 AM   [ Ignore ]   [ # 6 ]  
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Hm- odd.  And you’re right- it’s captcha related.  Basically, $now is definied:

if ((mt_rand() % 100) < $SESS->gc_probability)
        {
            $old = time() - $expiration;
            $DB->query("DELETE FROM exp_captcha WHERE date < ".$old);        

            list($usec, $sec) = explode(" ", microtime());
            $now = ((float)$usec + (float)$sec);
etc...

You error outside of conditionals on

        /** -----------------------------------
        /**  Generate the image
        /** -----------------------------------*/
        
        $img_name = $now.'.jpg';

Something seems odd about that.  $now should be defined regardless, at least from looking at it.  Else you get the error. 

So- pulled up 1.6.3- and don’t spot that conditional in there.  So I’m thinking it’s a bug.  Let me give the crew a yell.  Until then- might just try adding

$now = ((float)$usec + (float)$sec);

Put that just above the

if ((mt_rand() % 100) < $SESS->gc_probability)
        {

I can’t see why that wouldn’t work for now.  Or- could ditch the conditional entirely, which I know would work.  But it’s in there to try and make things a bit leaner, so I’d go w/the first option if it works.

And like I say- I’ll yell for the crew.

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Robin Sowell
Posted: 30 June 2008 10:17 AM   [ Ignore ]   [ # 7 ]  
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Does look like a confirmed bug- and Derek notes that a temp fix is to put:

list($usec, $sec) = explode(" ", microtime());
$now = ((float)$usec + (float)$sec);
if ((mt_rand() % 100) < $SESS->gc_probability)
etc...

I’ll take care of the bug reporting- otherwise we good to close for now?

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iso100
Posted: 02 July 2008 02:37 PM   [ Ignore ]   [ # 8 ]  
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Sounds good. I’ll have to try that fix sometime. For now, no CAPTCHA and Akismet instead.

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Ingmar Greil
Posted: 02 July 2008 03:50 PM   [ Ignore ]   [ # 9 ]  
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Closing this one out.

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