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I am trying to use plotalot to graph user results. The program only uses mysql queries to pull data. How can I pull session specific user data with a mysql query? Normal Joomla session variables are not available to use. I've tried many versions of this, but session variables are not set?

SELECT Calcd_Results
FROM user_results
WHERE user_id = $_SESSION["user_id"]
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  • yes, @James actually just answered the question. The sub-answer would be: 'please read the documentation of the extension you use'. :) – Zollie Jan 12 '19 at 9:09
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    since, exceptionally, Plotalot has a pretty impressive documentation (more than 70 pages). From page 63. (advance techniques) it gives great examples on advanced usage, incuding the example what @James just gave above. – Zollie Jan 12 '19 at 10:27
  • Thank you @jamesgarrett and Zollie - I read through the first 50 pages but didn't get to 70 since this documentation gave lots of examples but very little about how the system actually works. I even searches some terms that didn't yield anything and reviewed the other 13 page developer guide. Seemed to reinforce the idea to me that it would not do the function I wanted. My bad. Thats why I asked. – BabyCode123 Jan 12 '19 at 17:36
  • My apologies for there being two questions too. Thanks for the help. – BabyCode123 Jan 12 '19 at 17:44
  • @BabyCode123 - no problem at all, it takes a good amount of time for anybody to get familiar with an extension like that. – Zollie Jan 12 '19 at 19:52
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Plotalot includes various variables that can be used in sql queries, eg. 

%%J_USER_ID%%

is the currently logged in user_id. The Plotalot User Documentation Available as PDF here

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