original_string: public function col_userpic($row) {
          global $OUTPUT;
          $user = user_picture::unalias($row, [], $this->useridfield);
          return $OUTPUT->user_picture($user, array('courseid' => $this->feedbackstructure->get_cm()->course));
      }
code: public function col_userpic($row) {
          global $OUTPUT;
          $user = user_picture::unalias($row, [], $this->useridfield);
          return $OUTPUT->user_picture($user, array('courseid' => $this->feedbackstructure->get_cm()->course));
      }
code_tokens: public function col_userpic ( $ row ) { global $ OUTPUT ; $ user = user_picture :: unalias ( $ row , [ ] , $ this -> useridfield ) ; return $ OUTPUT -> user_picture ( $ user , array ( 'courseid' => $ this -> feedbackstructure -> get_cm ( ) -> course ) ) ; }
docstring: Prepares column userpic for display
  @param stdClass $row
  @return string
docstring_tokens: Prepares column userpic for display