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Why is it Unsafe to Rely on System Timezone Settings in PHP and How Can I Fix It?

Linda Hamilton
Release: 2024-12-20 16:06:11
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Why is it Unsafe to Rely on System Timezone Settings in PHP and How Can I Fix It?

"date(): It is Not Safe to Rely on the System's Timezone Settings..."

When updating PHP versions, an error message may appear, indicating that it is unsafe to rely on the system's timezone settings. This error is caused by the requirement to specify the timezone using the date.timezone setting or the date_default_timezone_set() function.

To resolve this error, add the following block to your php.ini file:

[Date]
; Defines the default timezone used by the date functions
; http://php.net/date.timezone
date.timezone = America/New_York
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Replace "America/New_York" with your preferred timezone. Once configured, restart the web server (e.g., service httpd restart).

Alternatively, you can use the date_default_timezone_set() function to set the timezone dynamically in your code:

date_default_timezone_set('America/New_York');
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You can refer to the following link for a list of supported timezones: http://php.net/manual/en/timezones.php

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