original_string: public function delete_instance($instance) {
          global $DB;
  
          // Get the tool associated with this instance.
          $tool = $DB->get_record('enrol_lti_tools', array('enrolid' => $instance->id), 'id', MUST_EXIST);
  
          // Delete any users associated with this tool.
          $DB->delete_records('enrol_lti_users', array('toolid' => $tool->id));
  
          // Get tool and consumer mappings.
          $rsmapping = $DB->get_recordset('enrol_lti_tool_consumer_map', array('toolid' => $tool->id));
  
          // Delete consumers that are linked to this tool and their related data.
          $dataconnector = new data_connector();
          foreach ($rsmapping as $mapping) {
              $consumer = new ToolConsumer(null, $dataconnector);
              $consumer->setRecordId($mapping->consumerid);
              $dataconnector->deleteToolConsumer($consumer);
          }
          $rsmapping->close();
  
          // Delete mapping records.
          $DB->delete_records('enrol_lti_tool_consumer_map', array('toolid' => $tool->id));
  
          // Delete the lti tool record.
          $DB->delete_records('enrol_lti_tools', array('id' => $tool->id));
  
          // Time for the parent to do it's thang, yeow.
          parent::delete_instance($instance);
      }
code: public function delete_instance($instance) {
          global $DB;
  
          // Get the tool associated with this instance.
          $tool = $DB->get_record('enrol_lti_tools', array('enrolid' => $instance->id), 'id', MUST_EXIST);
  
          // Delete any users associated with this tool.
          $DB->delete_records('enrol_lti_users', array('toolid' => $tool->id));
  
          // Get tool and consumer mappings.
          $rsmapping = $DB->get_recordset('enrol_lti_tool_consumer_map', array('toolid' => $tool->id));
  
          // Delete consumers that are linked to this tool and their related data.
          $dataconnector = new data_connector();
          foreach ($rsmapping as $mapping) {
              $consumer = new ToolConsumer(null, $dataconnector);
              $consumer->setRecordId($mapping->consumerid);
              $dataconnector->deleteToolConsumer($consumer);
          }
          $rsmapping->close();
  
          // Delete mapping records.
          $DB->delete_records('enrol_lti_tool_consumer_map', array('toolid' => $tool->id));
  
          // Delete the lti tool record.
          $DB->delete_records('enrol_lti_tools', array('id' => $tool->id));
  
          // Time for the parent to do it's thang, yeow.
          parent::delete_instance($instance);
      }
code_tokens: public function delete_instance ( $ instance ) { global $ DB ; // Get the tool associated with this instance. $ tool = $ DB -> get_record ( 'enrol_lti_tools' , array ( 'enrolid' => $ instance -> id ) , 'id' , MUST_EXIST ) ; // Delete any users associated with this tool. $ DB -> delete_records ( 'enrol_lti_users' , array ( 'toolid' => $ tool -> id ) ) ; // Get tool and consumer mappings. $ rsmapping = $ DB -> get_recordset ( 'enrol_lti_tool_consumer_map' , array ( 'toolid' => $ tool -> id ) ) ; // Delete consumers that are linked to this tool and their related data. $ dataconnector = new data_connector ( ) ; foreach ( $ rsmapping as $ mapping ) { $ consumer = new ToolConsumer ( null , $ dataconnector ) ; $ consumer -> setRecordId ( $ mapping -> consumerid ) ; $ dataconnector -> deleteToolConsumer ( $ consumer ) ; } $ rsmapping -> close ( ) ; // Delete mapping records. $ DB -> delete_records ( 'enrol_lti_tool_consumer_map' , array ( 'toolid' => $ tool -> id ) ) ; // Delete the lti tool record. $ DB -> delete_records ( 'enrol_lti_tools' , array ( 'id' => $ tool -> id ) ) ; // Time for the parent to do it's thang, yeow. parent :: delete_instance ( $ instance ) ; }
docstring: Delete plugin specific information.
  
  @param stdClass $instance
  @return void
docstring_tokens: Delete plugin specific information .