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PHP date_default_timezone_set() Function
Notice: date_default_timezone_set(): Timezone ID 'Asia/AdenAsia/Kolkata' is invalid in D:\kuliah\PLI\bagisto-1.1.2\vendor\laravel\framework\src\Illuminate\Foundation\Bootstrap\LoadConfiguration.php on line 49 · Issue #3446 · bagisto/bagisto · GitHub
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PHP default timezone gets changed by date_default_timezone_set() function call · Issue #566 · Open-Web-Analytics/Open-Web-Analytics · GitHub
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Shopware Developers on X: "PSA: Please use UTC when saving DateTime to the #Shopware database. Shopware expects UTC by default and will convert all dates and times to the users' time zone
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PHP default timezone gets changed by date_default_timezone_set() function call · Issue #566 · Open-Web-Analytics/Open-Web-Analytics · GitHub
PHP Notice: date_default_timezone_set(): Timezone ID '' is invalid · Issue #8102 · laravel/framework · GitHub
Warning: strftime(): 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
Avoid PHP strict timezone warnings by calling date_default_timezone_set in bootstrap [#325827] | Drupal.org