PHP strftime（）関数
❮PHPの日付/時刻リファレンス
例
ロケール設定に従ってローカルの日付と時刻をフォーマットします。
<?php
echo(strftime("%B %d %Y, %X %Z",mktime(20,0,0,12,31,98))."<br>");
setlocale(LC_ALL,"hu_HU.UTF8");
echo(strftime("%Y. %B %d. %A. %X %Z"));
?>
定義と使用法
strftime（）関数は、ロケール設定に従って現地時間および/または日付をフォーマットします。
ヒント：ロケール設定に従ってGMT / UTCの時刻や日付をフォーマットするgmstrftime（）関数も確認してください。
構文
strftime(format, timestamp)
パラメータ値
| Parameter |
Description |
| format |
Required. Specifies how to return the result:
- %a - abbreviated weekday name
- %A - full weekday name
- %b - abbreviated month name
- %B - full month name
- %c - preferred date and time representation
- %C - century number (the year divided by 100, range 00 to 99)
- %d - day of the month (01 to 31)
- %D - same as %m/%d/%y
- %e - day of the month (1 to 31)
- %g - like %G, but without the century
- %G - 4-digit year corresponding to the ISO week number (see %V).
- %h - same as %b
- %H - hour, using a 24-hour clock (00 to 23)
- %I - hour, using a 12-hour clock (01 to 12)
- %j - day of the year (001 to 366)
- %m - month (01 to 12)
- %M - minute
- %n - newline character
- %p - either am or pm according to the given time value
- %r - time in a.m. and p.m. notation
- %R - time in 24 hour notation
- %S - second
- %t - tab character
- %T - current time, equal to %H:%M:%S
- %u - weekday as a number (1 to 7), Monday=1. Warning: In Sun Solaris Sunday=1
- %U - week number of the current year, starting with the first Sunday as the first day of the first week
- %V - The ISO 8601 week number of the current year (01 to 53), where week 1 is the first week that has at least 4 days in the current year, and with Monday as the first day of the week
- %W - week number of the current year, starting with the first Monday as the first day of the first week
- %w - day of the week as a decimal, Sunday=0
- %x - preferred date representation without the time
- %X - preferred time representation without the date
- %y - year without a century (range 00 to 99)
- %Y - year including the century
- %Z or %z - time zone or name or abbreviation
- %% - a literal % character
|
| timestamp |
Optional. Specifies a Unix timestamp that represents the date and/or time to be formatted. Default is the current local time (time()) |
技術的な詳細
| 戻り値： |
指定されたタイムスタンプを使用してフォーマットに従ってフォーマットされた文字列を返します。月と曜日の名前およびその他の言語依存の文字列は、setlocale（）で設定された現在のロケールを尊重します |
| PHPバージョン： |
4歳以上 |
| PHP変更ログ： |
PHP 5.1：E_STRICTおよびE_NOTICEタイムゾーンエラーを発行するようになりました
|
❮PHPの日付/時刻リファレンス
