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

在index.php文件中添加以下内容。当我把我的应用程序从XAMPP服务器迁移到Apache 2.2和PHP 5.4时，我第一次遇到了这个问题……

我建议你在index.php文件中，而不是在php.ini文件中。

if( ! ini_get('date.timezone') )
{
    date_default_timezone_set('GMT');
}

2013-11-12 06:30:37

其他回答

当你纠正不兼容时，一个快速的解决方案是禁用index.php文件中的错误报告:

将下面的行插入到你的index.php下面define(' _JEXEC '， 1);

error_reporting( E_ERROR | E_PARSE | E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR |
E_COMPILE_WARNING );

2014-09-04 12:23:49

<? date_default_timezone_set('Europe/Istanbul'); ?>

对于php(或您的位置)。

2019-01-18 23:11:27

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

您可能需要将时区放在php.ini文件的配置行中。你应该在你的php.ini文件中有一个这样的块:

[Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
date.timezone = America/New_York

如果没有，添加它(用您的时区替换)。配置完成后，确保重新启动httpd (service httpd restart)。

下面是支持的时区列表。

2013-05-27 01:14:23

如果你不能修改你的php.ini配置，你也可以在你的代码开头使用下面的代码片段:

date_default_timezone_set('Africa/Lagos');//or change to whatever timezone you want

时区列表可以在http://www.php.net/manual/en/timezones.php上找到。

2013-08-04 22:54:15

date():依赖系统的时区设置是不安全的…

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