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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 3.9.x will end* 10 May 2021 (12 months).
  • Bug fixes for security issues in 3.9.x will end* 8 May 2023 (36 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
/mod/book/classes/analytics/indicator/
FolderUp one level  
Fileactivity_base.php   [source] [46 lines]    Activity base class.
Filecognitive_depth.php [source] [56 lines]    Cognitive depth indicator - book.
Filesocial_breadth.php  [source] [56 lines]    Social breadth indicator - book.