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<?php echo date_default_timezone_get() . PHP_EOL; var_dump(mktime(0, 0, 0, 1, 1, 1970)); date_default_timezone_set('Pacific/Tongatapu'); echo date_default_timezone_get() . PHP_EOL; var_dump(mktime(0, 0, 0, 1, 1, 1970));

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28.91 ms | 408 KiB | 5 Q