public function formatTime($column, $format = self::DATETIME)
    {
        //if the column isn't set
        if (!isset($this->data[$column])) {
            //do nothing more
            return $this;
        }

        if (is_numeric($this->data[$column])) {
            $this->data[$column] = (int) $this->data[$column];
        }

        //if this is column is a string
        if (is_string($this->data[$column])) {
            //make into time
            $this->data[$column] = strtotime($this->data[$column]);
        }

        //if this column is not an integer
        if (!is_int($this->data[$column])) {
            //do nothing more
            return $this;
        }

        //set it
        $this->data[$column] = date($format, $this->data[$column]);

        return $this;
    }