Fix for undefined array index error when rendering sparklines #19275
Description
CoreVisualizations - [Warning] Undefined index CoreVisualizations/Visualizations/Sparklines.php(292)
Expected Behavior
Should handle such undefined index in the code
Current Behavior
Just noticed this, when trying to debug a bug for other plugin there are too many warnings of undefined index in CoreVisualizations/Visualizations/Sparklines.php(292)
To reproduce the error, access Matomo dashboard and tail matomo.log - tail -f /var/www/html/work/matomo/tmp/logs/matomo.log | grep -i Warning
You will see following warning in the log file
Sample Error message
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_visits - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_uniq_visitors - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_pageviews - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_uniq_pageviews - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_users - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_searches - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_keywords - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_downloads - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_uniq_downloads - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_outlinks - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: nb_uniq_outlinks - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
WARNING CoreVisualizations[2022-05-26 06:50:01 UTC] [d3452] /var/www/html/work/matomo/plugins/CoreVisualizations/Visualizations/Sparklines.php(292): Notice - Undefined index: max_actions - Matomo 4.11.0-b1 - Please report this message in the Matomo forums: https://forum.matomo.org (please do a search first as it might have been reported already) #0/plugins/CoreVisualizations/Visualizations/Sparklines.php(292),#1/plugins/CoreVisualizations/Visualizations/Sparklines.php(108),#2/core/Plugin/Report.php(320),#3/plugins/CoreHome/Controller.php(60),[internal function]: Piwik\Plugins\CoreHome\Controller->renderReportWidget(),#5/core/FrontController.php(631),#6/core/FrontController.php(169),#7/core/dispatch.php(32),#8/index.php(25)
Possible Solution
Steps to Reproduce (for Bugs)
Context
Your Environment
- Matomo Version:
- PHP Version:
- Server Operating System:
- Additionally installed plugins:
- Browser:
- Operating System: