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  1. Moodle
  2. MDL-2006

'<' character needs to be escaped when displaying it in whole lesson view

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 1.4.1
    • Fix Version/s: 1.7.1
    • Component/s: Lesson
    • Labels:
      None
    • Environment:
      Windows XP
    • Database:
      MySQL
    • Affected Branches:
      MOODLE_14_STABLE
    • Fixed Branches:
      MOODLE_17_STABLE

      Description

      I have a short answer solution that should read:

      i < total

      When it is displayed, it just shows

      i

      The source of the page shows that the second part has been stripped, but the answer appears as it should when edited and used to check user answers.

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            Hide
            dougiamas Martin Dougiamas added a comment -

            From Antti Boman (antti.boman at avence.fi) Tuesday, 28 September 2004, 03:44 PM:

            This is not a duplicate of MDL-1625, but I wrote a small explanation of the problem there. This may be everywhere.

            Show
            dougiamas Martin Dougiamas added a comment - From Antti Boman (antti.boman at avence.fi) Tuesday, 28 September 2004, 03:44 PM: This is not a duplicate of MDL-1625 , but I wrote a small explanation of the problem there. This may be everywhere.
            Hide
            bushido Mark Nielsen added a comment -

            Hi Petr,

            I added you as a watcher because I need some advise on this bug.

            If one adds a Short Answer Question in the Lesson module and one of the answers is "i < total", then when the user answers the question, his/her answer gets cleaned to "i <total>".

            The line of code that changes this is the following (line 91 in mod/lesson/action/continue.php):

            $useranswer = stripslashes(clean_param($useranswer, PARAM_CLEAN));

            I cannot find a different way to clean the users answer that does not change i < total to i <total>

            I tried to find how this is accomplished with quiz and it appears that no cleaning is used (from what I can tell). Please advise on how this should be handled.

            Much thanks!

            Show
            bushido Mark Nielsen added a comment - Hi Petr, I added you as a watcher because I need some advise on this bug. If one adds a Short Answer Question in the Lesson module and one of the answers is "i < total", then when the user answers the question, his/her answer gets cleaned to "i <total>". The line of code that changes this is the following (line 91 in mod/lesson/action/continue.php): $useranswer = stripslashes(clean_param($useranswer, PARAM_CLEAN)); I cannot find a different way to clean the users answer that does not change i < total to i <total> I tried to find how this is accomplished with quiz and it appears that no cleaning is used (from what I can tell). Please advise on how this should be handled. Much thanks!
            Hide
            skodak Petr Skoda added a comment -

            you can use PARAM_RAW in case when you expect non html text - but you have to make certain that you always use p() or s() when printing it

            Show
            skodak Petr Skoda added a comment - you can use PARAM_RAW in case when you expect non html text - but you have to make certain that you always use p() or s() when printing it
            Hide
            bushido Mark Nielsen added a comment -

            Thank you very much Petr!

            Show
            bushido Mark Nielsen added a comment - Thank you very much Petr!
            Hide
            bushido Mark Nielsen added a comment -

            Fixed in 1.7+ and HEAD

            Show
            bushido Mark Nielsen added a comment - Fixed in 1.7+ and HEAD

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                Dates

                • Created:
                  Updated:
                  Resolved:
                  Fix Release Date:
                  17/Jan/07