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How Can I Fix the PHP Warning: 'date(): It is Not Safe to Rely on the System's Timezone Settings...?'

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Release: 2024-12-07 14:47:12
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How Can I Fix the PHP Warning:

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

This warning occurs during PHP version upgrades and highlights the importance of properly handling timezone settings in your code.

Cause:

The warning originates from the stricter timezone handling introduced in PHP 5.3.21. PHP now requires explicit specification of the timezone to ensure accurate date and time calculations.

Solution:

To resolve this issue, you have two options:

  • Set date.timezone in php.ini: Configure your php.ini file with the following line:
[Date]
date.timezone = America/New_York
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Replace America/New_York with the appropriate timezone for your server.

  • Use date_default_timezone_set(): Specify the timezone programmatically using the date_default_timezone_set() function:
<?php
date_default_timezone_set('America/New_York');
?>
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Timezones:

PHP supports a wide range of timezones. A list of supported timezones can be found in the PHP documentation: https://www.php.net/manual/en/timezones.php

The above is the detailed content of How Can I Fix the PHP Warning: 'date(): It is Not Safe to Rely on the System's Timezone Settings...?'. For more information, please follow other related articles on the PHP Chinese website!

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