original_string: public function get_column_data($columnname) {
          $this->setup();
          $this->currpage = 0;
          $this->query_db($this->tablemaxrows);
          $result = array();
          foreach ($this->rawdata as $row) {
              $result[] = $row->$columnname;
          }
          return $result;
      }
code: public function get_column_data($columnname) {
          $this->setup();
          $this->currpage = 0;
          $this->query_db($this->tablemaxrows);
          $result = array();
          foreach ($this->rawdata as $row) {
              $result[] = $row->$columnname;
          }
          return $result;
      }
code_tokens: public function get_column_data ( $ columnname ) { $ this -> setup ( ) ; $ this -> currpage = 0 ; $ this -> query_db ( $ this -> tablemaxrows ) ; $ result = array ( ) ; foreach ( $ this -> rawdata as $ row ) { $ result [ ] = $ row -> $ columnname ; } return $ result ; }
docstring: Using the current filtering and sorting - load all rows and return a single column from them.
  
  @param string $columnname The name of the raw column data
  @return array of data
docstring_tokens: Using the current filtering and sorting - load all rows and return a single column from them .