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<?php $date = new DateTime('2015-01-15 15:00:00', new DateTimeZone('UTC')); var_dump($date); echo "\n Date timestamp using format(): " . $date->format('U'); echo "\n Date timestamp using getTimestamp(): " . $date->getTimestamp(); echo "\nChanging timezone to CET"; $date->setTimezone(new DateTimeZone('EAT')); echo "\n Date timestamp using format(): " . $date->format('U') . ' NB: This has changed?!?!'; echo "\n Date timestamp using getTimestamp(): " . $date->getTimestamp() . ' NB: Now it is back?!?!'; echo "\n Date timestamp using format() again: " . $date->format('U') . ' NB: Now it is back?!?!';
Output for 7.0.20, 7.1.5 - 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)#1 (3) { ["date"]=> string(26) "2015-01-15 15:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } Date timestamp using format(): 1421334000 Date timestamp using getTimestamp(): 1421334000 Changing timezone to CET Date timestamp using format(): 1421334000 NB: This has changed?!?! Date timestamp using getTimestamp(): 1421334000 NB: Now it is back?!?! Date timestamp using format() again: 1421334000 NB: Now it is back?!?!
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)#1 (3) { ["date"]=> string(26) "2015-01-15 15:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } Date timestamp using format(): 1421334000 Date timestamp using getTimestamp(): 1421334000 Changing timezone to CET Date timestamp using format(): 1421334000 NB: This has changed?!?! Date timestamp using getTimestamp(): 1421334000 NB: Now it is back?!?! Date timestamp using format() again: 1421334000 NB: Now it is back?!?!
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.6, 7.1.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2015-01-15 15:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } Date timestamp using format(): 1421334000 Date timestamp using getTimestamp(): 1421334000 Changing timezone to CET Date timestamp using format(): 1421344800 NB: This has changed?!?! Date timestamp using getTimestamp(): 1421334000 NB: Now it is back?!?! Date timestamp using format() again: 1421334000 NB: Now it is back?!?!
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172.36 ms | 403 KiB | 213 Q