我用 PHP 做了一个项目,预计将在我的国家伊朗境内运行,其时区为 UTC+3:30。我在我的代码中插入了以下行:
date_default_timezone_set('Asia/Tehran');
但现在,我认为它可能会被来自不同国家的其他人使用。作为该项目的一部分,如果该项目包含用户登录日志,我必须将时间设置为与他们的国家时区相匹配。
我该怎么做?
以下是设置时区的方法:
<?php
session_start();
if(!isset($_SESSION['timezone']))
{
if(!isset($_REQUEST['offset']))
{
?>
<script>
var d = new Date()
var offset= -d.getTimezoneOffset()/60;
location.href = "<?php echo $_SERVER['PHP_SELF']; ?>?offset="+offset;
</script>
<?php
}
else
{
$zonelist = array('Kwajalein' => -12.00, 'Pacific/Midway' => -11.00, 'Pacific/Honolulu' => -10.00, 'America/Anchorage' => -9.00, 'America/Los_Angeles' => -8.00, 'America/Denver' => -7.00, 'America/Tegucigalpa' => -6.00, 'America/New_York' => -5.00, 'America/Caracas' => -4.30, 'America/Halifax' => -4.00, 'America/St_Johns' => -3.30, 'America/Argentina/Buenos_Aires' => -3.00, 'America/Sao_Paulo' => -3.00, 'Atlantic/South_Georgia' => -2.00, 'Atlantic/Azores' => -1.00, 'Europe/Dublin' => 0, 'Europe/Belgrade' => 1.00, 'Europe/Minsk' => 2.00, 'Asia/Kuwait' => 3.00, 'Asia/Tehran' => 3.30, 'Asia/Muscat' => 4.00, 'Asia/Yekaterinburg' => 5.00, 'Asia/Kolkata' => 5.30, 'Asia/Katmandu' => 5.45, 'Asia/Dhaka' => 6.00, 'Asia/Rangoon' => 6.30, 'Asia/Krasnoyarsk' => 7.00, 'Asia/Brunei' => 8.00, 'Asia/Seoul' => 9.00, 'Australia/Darwin' => 9.30, 'Australia/Canberra' => 10.00, 'Asia/Magadan' => 11.00, 'Pacific/Fiji' => 12.00, 'Pacific/Tongatapu' => 13.00);
$index = array_keys($zonelist, $_REQUEST['offset']);
$_SESSION['timezone'] = $index[0];
}
}
date_default_timezone_set($_SESSION['timezone']);
//rest of your code goes here
?>
但我建议不要这样做。最好将 GMT(或您的时区)设置为默认值,并在显示时根据每个用户的当前时区更改日志中的信息。
尝试这个:
<?php
$fmt = new IntlDateFormatter("fa_IR@calendar=persian", IntlDateFormatter::FULL, IntlDateFormatter::FULL, 'Asia/Tehran', IntlDateFormatter::TRADITIONAL);
echo $fmt->format(time());
?>