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<?php $tz = new DateTimeZone('-09:00'); $dbTz = new DateTimeZone('+00:00'); $date = new DateTime('2015-08-31T15:00:00-09:00', $tz); var_dump($date); /* $date = $date->setTimezone($tz); var_dump($date); */ $date = $date->setTimezone($dbTz); var_dump($date);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
object(DateTime)#3 (3) { ["date"]=> string(26) "2015-08-31 15:00:00.000000" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "-09:00" } object(DateTime)#3 (3) { ["date"]=> string(26) "2015-09-01 00:00:00.000000" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" }
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 object(DateTime)#3 (3) { ["date"]=> string(26) "2015-08-31 15:00:00.000000" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "-09:00" } object(DateTime)#3 (3) { ["date"]=> string(26) "2015-09-01 00:00:00.000000" ["timezone_type"]=> int(1) ["timezone"]=> string(6) "+00:00" }

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