gmstrftime

(PHP 4, PHP 5, PHP 7, PHP 8)

gmstrftime — 根据区域设置格式化 GMT/UTC 时间／日期

说明

gmstrftime(string $format, int $timestamp = ?): string

和 strftime() 的行为相同，只除了返回时间是格林威治标准时（GMT）。例如，当在东部标准时（EST，GMT -500）运行时，下面第一行显示“Dec 31 1998 20:00:00”，而第二行显示“Jan 01 1999 01:00:00”。

示例 #1 gmstrftime() 例子


<?php
setlocale(LC_TIME, 'en_US');
echo strftime("%b %d %Y %H:%M:%S", mktime (20,0,0,12,31,98))."\n";
echo gmstrftime("%b %d %Y %H:%M:%S", mktime (20,0,0,12,31,98))."\n";
?>

参见 strftime()。

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User Contributed Notes 4 notes

down

yellow dot snow at huskies dot com ¶

17 years ago


HTTP 1.1 (RFC 2068) requires an RFC 1123 date with a four digit year, so the correct format to use for a Last-modified header would look something like this:

<?php
header("Last-modified: " . 
gmstrftime("%a, %d %b %Y %T %Z",getlastmod()));
?>

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pvdster at hotmail dot com ¶

17 years ago


If you want the dutch time on your pages and you are hosted on a server in the USA you can easily change it this way:


<?php

setlocale(LC_TIME, 'nl_NL');

$tgl = gmstrftime("%d %B %Y - %H:%M uur",time()+3600);

?>



Then use $tgl to display the right time.

Note the +3600 is a day light savings time correction.

The result: 22 maart 2005 - 16:39 uur


First I used the normal date function and this was the previous result: March 22, 2005 - 04:28 AM


I needed it for a dutch guestbook.


I'm new to PHP and it took me a while to find it out and maybe it's of no use for experienced PHP programmers but I thought people can always ignore my post :)

down

-2

neo at gothic-chat d0t de ¶

17 years ago


To get a RFC 850 date (used in HTTP) of the current time:

gmstrftime ("%A %d-%b-%y %T %Z", time ());

This will get for example:
Friday 25-Jun-04 03:30:23 GMT

Please note that times in HTTP-headers _must_ be GMT, so use gmstrftime() instead of strftime().

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-3

peter dot albertsson at spray dot se ¶

17 years ago


gmstrftime() should not be used to generate a RFC 850 date for use in HTTP headers, since its output is affected by setlocale().

Use gmdate instead:

gmdate('D, d M Y H:i:s') . ' GMT';

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官方地址：https://www.php.net/manual/en/function.gmstrftime.php

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gmstrftime

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User Contributed Notes 4 notes