original_string: public function fetchColumn($conditions = false)
      {
          $data = $this->fetch($conditions);
          return $data ? current($data) : false;
      }
code: public function fetchColumn($conditions = false)
      {
          $data = $this->fetch($conditions);
          return $data ? current($data) : false;
      }
code_tokens: public function fetchColumn ( $ conditions = false ) { $ data = $ this -> fetch ( $ conditions ) ; return $ data ? current ( $ data ) : false ; }
docstring: Executes the generated query and returns a column value of the first row
  
  @param mixed $conditions
  @return array|false
docstring_tokens: Executes the generated query and returns a column value of the first row