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  1. Moodle
  2. MDL-45211

Undefined variables in survey graph generator

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Details

    • Bug
    • Status: Closed
    • Minor
    • Resolution: Duplicate
    • 2.7
    • None
    • Survey
    • MOODLE_27_STABLE

    Description

      After completing a couple of responses in a survey, I noticed that the graph was not shown and instead shows a broken image icon. Viewing the graph on it's own, I get:

      Notice: Undefined variable: question in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 303

      Notice: Undefined variable: question in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 305

      Notice: Trying to get property of non-object in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 305

      Notice: Undefined variable: buckets1 in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 369

      Warning: max(): When only one parameter is given, it must be an array in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 369

      Notice: Undefined variable: buckets2 in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 370

      Warning: max(): When only one parameter is given, it must be an array in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 370

      Notice: Undefined variable: names in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 376

      Notice: Undefined variable: buckets1 in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 378

      Notice: Undefined variable: buckets2 in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 381

      Notice: Undefined variable: stdev1 in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 385

      Notice: Undefined variable: stdev2 in /private/srv/www/loganberry.local/data/im/moodle/mod/survey/graph.php on line 388

      Warning: array_merge(): Argument #2 is not an array in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 1006

      Warning: array_merge(): Argument #1 is not an array in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 1006

      Warning: Division by zero in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 1021

      Warning: Division by zero in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 1023

      Warning: Division by zero in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 707

      Warning: Division by zero in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 716

      Warning: Invalid argument supplied for foreach() in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 746

      Warning: Invalid argument supplied for foreach() in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 746

      Notice: Undefined index: text in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 793

      Warning: Invalid argument supplied for foreach() in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 793

      Notice: Undefined index: tick_x in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 567

      Warning: Invalid argument supplied for foreach() in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 567

      Warning: Invalid argument supplied for foreach() in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 302

      Warning: Invalid argument supplied for foreach() in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 302

      Warning: Invalid argument supplied for foreach() in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 302

      Warning: Invalid argument supplied for foreach() in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 302

      Warning: Cannot modify header information - headers already sent by (output started at /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php:302) in /private/srv/www/loganberry.local/data/im/moodle/lib/graphlib.php on line 1491
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              moodle.com Moodle HQ
              dobedobedoh Andrew Lyons
              Amaia Anabitarte, Carlos Escobedo, Laurent David, Sabina Abellan, Sara Arjona (@sarjona)
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              1 Vote for this issue
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              Dates

                Created:
                Updated:
                Resolved: