src/Peach/DT/TimeEquator.php
private function initFields($fields)
    {
        switch ($fields) {
            case Time::TYPE_DATE:
                return $this->initFields(array("year", "month", "date"));
            case Time::TYPE_DATETIME:
                return $this->initFields(array("year", "month", "date", "hour", "minute"));
            case Time::TYPE_TIMESTAMP:
                return $this->initFields(array("year", "month", "date", "hour", "minute", "second"));
        }

        if (is_array($fields)) {
            return count($fields) ? $fields : null;
        }
        if (is_string($fields)) {
            return array($fields);
        }
        
        return null;
    }
private function initFields($fields)
    {
        switch ($fields) {
            case Time::TYPE_DATE:
                return $this->initFields(array("year", "month", "date"));
            case Time::TYPE_DATETIME:
                return $this->initFields(array("year", "month", "date", "hour", "minute"));
            case Time::TYPE_TIMESTAMP:
                return $this->initFields(array("year", "month", "date", "hour", "minute", "second"));
        }

        if (is_array($fields)) {
            return count($fields) ? $fields : null;
        }
        if (is_string($fields)) {
            return array($fields);
        }
        
        return null;
    }
このオブジェクトの比較対象フィールド一覧を初期化します.

@param  mixed $fields
@return array