original_string: public function getOne()
      {
          $res = $this->getRow();
          $this->rewind();
          $this->stmt = null;
  
          return $res[0];
      }
code: public function getOne()
      {
          $res = $this->getRow();
          $this->rewind();
          $this->stmt = null;
  
          return $res[0];
      }
code_tokens: public function getOne ( ) { $ res = $ this -> getRow ( ) ; $ this -> rewind ( ) ; $ this -> stmt = null ; return $ res [ 0 ] ; }
docstring: Will execute DSQL query and return first column of a first row.
  
  You can also simply cast your DSQL into string to get this value
  
  echo $dsql;
  
  @return string Value of first column in first row
docstring_tokens: Will execute DSQL query and return first column of a first row .