date():依赖系统的时区设置是不安全的…

当我请求在服务器上将PHP版本从5.2.17更新到PHP 5.3.21时，我得到了这个错误。

<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/New_York' for 'EDT/-4.0/DST' instead</p>
<p>Filename: libraries/Log.php</p>
<p>Line Number: 86</p>

</div>
Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/New_York' for 'EDT/-4.0/DST' instead in /filelocation right here/system/libraries/Log.php on line 86

Warning: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/New_York' for 'EDT/-4.0/DST' instead in /filelocation right here/system/libraries/Log.php on line 99
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Warning</p>
<p>Message:  date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/New_York' for 'EDT/-4.0/DST' instead</p>
<p>Filename: libraries/Log.php</p>
<p>Line Number: 99</p>

</div>

当前回答

一个简单的方法，两个时区。

<?php 
$date = new DateTime("2012-07-05 16:43:21", new DateTimeZone('Europe/Paris')); 

date_default_timezone_set('America/New_York'); 

echo date("Y-m-d h:iA", $date->format('U')); 

// 2012-07-05 10:43AM 
?>

2015-08-18 04:07:22

其他回答

一个简单的方法，两个时区。

<?php 
$date = new DateTime("2012-07-05 16:43:21", new DateTimeZone('Europe/Paris')); 

date_default_timezone_set('America/New_York'); 

echo date("Y-m-d h:iA", $date->format('U')); 

// 2012-07-05 10:43AM 
?>

2015-08-18 04:07:22

我有这个错误运行php-fpm在chroot监狱。我试着在chroot目录中创建etc/php.ini和/usr/share/zoneinfo，但它就是不工作。我甚至试着整理php-fpm守护进程，看看它们丢失了什么文件——什么都没有跳出来。

所以如果谷歌把你带到这里，因为你在使用配置为chroot的php-fpm时得到了这个错误，你可能可以通过在ENV部分的/etc/php-fpm.d/www.conf中添加这一行来修复它:

env[TZ] = America/New_York

通常需要重新启动php-fpm才能生效。希望这能帮助到一些人。

2017-03-12 02:01:35

我必须把它放在双引号里。

date_default_timezone_set("America/Los_Angeles"); // default time zone

2014-07-22 10:09:12

如果你不能访问php.ini文件，在你的域或子目录的根目录下创建或编辑一个。htaccess文件，并添加这个(由cpanel生成):

<IfModule mime_module>
AddType application/x-httpd-ea-php56 .php .php5 .phtml
</IfModule>

<IfModule php5_module>
php_value date.timezone "America/New_York"
</IfModule>

<IfModule lsapi_module>
php_value date.timezone "America/New_York"
</IfModule>

2019-07-25 01:40:00

<? print(gmdate("Y")); ?>

而不是

<? print(date("Y")); ?>

为我工作过(显示当前年份，不再显示错误消息)。 (感谢上面的克里斯)

2014-01-02 21:09:22

date():依赖系统的时区设置是不安全的…

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