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  1. Moodle
  2. MDL-76481

Download accessibility summary report giving error in PHP8

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Details

    • MOODLE_311_STABLE, MOODLE_400_STABLE, MOODLE_401_STABLE
    • MOODLE_400_STABLE, MOODLE_401_STABLE
    • MDL-76481_400_Brickfield_TCPDF_error
    • MDL-76481_401_Brickfield_TCPDF_error
    • MDL-76481_master_Brickfield_TCPDF_error
    • Hide
      1. Register the site with Brickfield on site admin > plugins > accessibility > brickfield registration
        1. Please note that registration requires a unique url, so in the case of registering a localhost site, you can use a random port number to do so. Using a tool like ngrok would also be sufficient.
      2. Navigate to Plugins > Admin tools > Accessibility > Accessibility toolkit settings
      3. Tick Enable analysis requests and save changes
      4. Submit a course for analysis from the course settings > accessibility toolkit
      5. Wait for the analysis to complete or by running the scheduled tasks:
      6. \tool_brickfield\task\process_analysis_requests
      7. \tool_brickfield\task\bulk_process_caches
      8. Navigate to the summary report for the course from course settings > accessibility toolit > summary report
      9. Click 'Download PDF'

       
      Before applying the patch this will generate the error, and after the patch the PDF should download as normal.

      Show
      Register the site with Brickfield on site admin > plugins > accessibility > brickfield registration Please note that registration requires a unique url, so in the case of registering a localhost site, you can use a random port number to do so. Using a tool like ngrok would also be sufficient. Navigate to Plugins > Admin tools > Accessibility > Accessibility toolkit settings Tick Enable analysis requests and save changes Submit a course for analysis from the course settings > accessibility toolkit Wait for the analysis to complete or by running the scheduled tasks: \tool_brickfield\task\process_analysis_requests \tool_brickfield\task\bulk_process_caches Navigate to the summary report for the course from course settings > accessibility toolit > summary report Click 'Download PDF'   Before applying the patch this will generate the error, and after the patch the PDF should download as normal.

    Description

      We are experiencing this error since we upgraded to PHP in our system. When we wish to download the analysis report from a course we get the following error:
       

      Exception - array_push(): Argument #1 ($array) must be of type array, null given

       
      Debug info:
      Error code: generalexceptionmessage×Dismiss this notification
      Stack trace: * line 18308 of /lib/tcpdf/tcpdf.php: TypeError thrown

      • line 18308 of /lib/tcpdf/tcpdf.php: call to array_push()
      • line 5901 of /lib/tcpdf/tcpdf.php: call to TCPDF->writeHTML()
      • line 18330 of /lib/tcpdf/tcpdf.php: call to TCPDF->MultiCell()
      • line 273 of /admin/tool/brickfield/classes/output/printable/renderer.php: call to TCPDF->writeHTML()
      • line 227 of /admin/tool/brickfield/classes/local/tool/printable.php: call to tool_brickfield\output\printable\renderer->pdf_renderer()
      • line 131 of /admin/tool/brickfield/index.php: call to tool_brickfield\local\tool\printable->get_output()

      Attachments

        Issue Links

          blocks

          Functional Test - A test of a single Moodle feature MDLQA-17868 CLONE - A teacher can view a course heatmap and block summary accessibility results for a course

          • Minor - Minor loss of function where workaround is possible
          • Passed

          Activity

            People

              bigmoodle Max Larkin
              A_Deb Amrita Deb Dutta
              Simey Lameze Simey Lameze
              Paul Holden Paul Holden
              Kim Jared Lucas Kim Jared Lucas
              Mike Churchward, Karen Holland
              Votes:
              6 Vote for this issue
              Watchers:
              9 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:
                24/Apr/23

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