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local/Recycle bin

From MoodleDocs

This is a contributed (third party) plugin for Moodle written by Skylar Kelty and shared on

This plugin adds a "recycle bin" for course modules to Moodle. The recycle bin stores course modules when they're deleted and provides an interface for users to restore them should they need to. It can be configured to automatically purge items after a configurable length of time.

Moodle versions available

This plugin works with Moodle 2.8 and 2.9

Translations available

This plugin has been translated to the following languages (as of August 26th 2015):

  • es_mx Mexican Spanish


It requires a core hack as there is no pre-cm-deleted event, you will need to add a line to '/course/lib.php' (function course_delete_module), right after the first "if()".

Automatic Patching

Simply apply this diff using `patch`: diff --git a/course/lib.php b/course/lib.php index e49bdf1..5f8d6e6 100644 --- a/course/lib.php +++ b/course/lib.php @@ -1654,6 +1654,9 @@ function course_delete_module($cmid) {

        return true;

+ // Notify the recycle bin plugin. + \local_recyclebin\Observer::pre_cm_delete($cm); +

    // Get the module context.
    $modcontext = context_module::instance($cm->id);

Manual Patching

  • First, open /course/lib.php in a text editor.

recyclebin courselibphpineditor.png

  • You need to find these lines within the course_delete_module function:

// Get the course module. if (!$cm = $DB->get_record('course_modules', array('id' => $cmid))) {

   return true;


  • After those two lines, add the following:

// Notify the recycle bin plugin. \local_recyclebin\observer::pre_cm_delete($cm);

Your modified file must look exactly like this (around lines 1658 and 1659):

recyclebin courselibphpedited.png

  • You will then have a Recycle bin available inside the Administration block:

Recycle bin is available.png

Potential privacy issues

This plugin will store a backup of user data in Moodle's dataroot.