original_string: public function getValueForPosition($pos) {
          return (isset($this->cells[$pos])) ? $this->cells[$pos]->getValue(): null;
      }
code: public function getValueForPosition($pos) {
          return (isset($this->cells[$pos])) ? $this->cells[$pos]->getValue(): null;
      }
code_tokens: public function getValueForPosition ( $ pos ) { return ( isset ( $ this -> cells [ $ pos ] ) ) ? $ this -> cells [ $ pos ] -> getValue ( ) : null ; }
docstring: Returns a value in the row at a specific position
  @param integer $pos
  @return string|number
docstring_tokens: Returns a value in the row at a specific position