original_string: public function remove_submission($userid) {
          global $USER;
  
          if (!$this->can_edit_submission($userid, $USER->id)) {
              print_error('nopermission');
          }
  
          if ($this->get_instance()->teamsubmission) {
              $submission = $this->get_group_submission($userid, 0, false);
          } else {
              $submission = $this->get_user_submission($userid, false);
          }
  
          if (!$submission) {
              return false;
          }
  
          // Tell each submission plugin we were saved with no data.
          $plugins = $this->get_submission_plugins();
          foreach ($plugins as $plugin) {
              if ($plugin->is_enabled() && $plugin->is_visible()) {
                  $plugin->remove($submission);
              }
          }
  
          if ($submission->userid != 0) {
              \mod_assign\event\submission_status_updated::create_from_submission($this, $submission)->trigger();
          }
          return true;
      }
code: public function remove_submission($userid) {
          global $USER;
  
          if (!$this->can_edit_submission($userid, $USER->id)) {
              print_error('nopermission');
          }
  
          if ($this->get_instance()->teamsubmission) {
              $submission = $this->get_group_submission($userid, 0, false);
          } else {
              $submission = $this->get_user_submission($userid, false);
          }
  
          if (!$submission) {
              return false;
          }
  
          // Tell each submission plugin we were saved with no data.
          $plugins = $this->get_submission_plugins();
          foreach ($plugins as $plugin) {
              if ($plugin->is_enabled() && $plugin->is_visible()) {
                  $plugin->remove($submission);
              }
          }
  
          if ($submission->userid != 0) {
              \mod_assign\event\submission_status_updated::create_from_submission($this, $submission)->trigger();
          }
          return true;
      }
code_tokens: public function remove_submission ( $ userid ) { global $ USER ; if ( ! $ this -> can_edit_submission ( $ userid , $ USER -> id ) ) { print_error ( 'nopermission' ) ; } if ( $ this -> get_instance ( ) -> teamsubmission ) { $ submission = $ this -> get_group_submission ( $ userid , 0 , false ) ; } else { $ submission = $ this -> get_user_submission ( $ userid , false ) ; } if ( ! $ submission ) { return false ; } // Tell each submission plugin we were saved with no data. $ plugins = $ this -> get_submission_plugins ( ) ; foreach ( $ plugins as $ plugin ) { if ( $ plugin -> is_enabled ( ) && $ plugin -> is_visible ( ) ) { $ plugin -> remove ( $ submission ) ; } } if ( $ submission -> userid != 0 ) { \ mod_assign \ event \ submission_status_updated :: create_from_submission ( $ this , $ submission ) -> trigger ( ) ; } return true ; }
docstring: Remove any data from the current submission.
  
  @param int $userid
  @return boolean
docstring_tokens: Remove any data from the current submission .