Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or theult_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelledone identifier. We selected 'Asia/Tokyo' for 'JST/9.0/no DST' instead in ○○○の警告が出たので、Googleさんに聞いたら、php.iniでdate.timezoneを設定すればいいらしい。なの