original_string: public function getPhonenumber()
      {
          for ($i = 1; $i <= $this->maxPhoneNumber; $i++) {
              if (isset($this->_gemsData['grs_phone_' . $i]) && ! empty($this->_gemsData['grs_phone_' . $i])) {
                  return $this->_gemsData['grs_phone_' . $i];
              }
          }
  
          return null;
      }
code: public function getPhonenumber()
      {
          for ($i = 1; $i <= $this->maxPhoneNumber; $i++) {
              if (isset($this->_gemsData['grs_phone_' . $i]) && ! empty($this->_gemsData['grs_phone_' . $i])) {
                  return $this->_gemsData['grs_phone_' . $i];
              }
          }
  
          return null;
      }
code_tokens: public function getPhonenumber ( ) { for ( $ i = 1 ; $ i <= $ this -> maxPhoneNumber ; $ i ++ ) { if ( isset ( $ this -> _gemsData [ 'grs_phone_' . $ i ] ) && ! empty ( $ this -> _gemsData [ 'grs_phone_' . $ i ] ) ) { return $ this -> _gemsData [ 'grs_phone_' . $ i ] ; } } return null ; }
docstring: Get the first entered phonenumber of the respondent.
  
  @return string
docstring_tokens: Get the first entered phonenumber of the respondent .