original_string: protected function process_unlock_submission($userid = 0) {
  
          require_sesskey();
  
          if (!$userid) {
              $userid = required_param('userid', PARAM_INT);
          }
  
          return $this->unlock_submission($userid);
      }
code: protected function process_unlock_submission($userid = 0) {
  
          require_sesskey();
  
          if (!$userid) {
              $userid = required_param('userid', PARAM_INT);
          }
  
          return $this->unlock_submission($userid);
      }
code_tokens: protected function process_unlock_submission ( $ userid = 0 ) { require_sesskey ( ) ; if ( ! $ userid ) { $ userid = required_param ( 'userid' , PARAM_INT ) ; } return $ this -> unlock_submission ( $ userid ) ; }
docstring: Unlock the student submission.
  Uses url parameter userid.
  
  @param int $userid
  @return bool
docstring_tokens: Unlock the student submission . Uses url parameter userid .