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<?php date_default_timezone_set('UTC'); $date1 = new DateTime('2015-01-01T12:00:00'); $date2 = new DateTime('2015-01-01T12:01:00'); var_dump($date1 < $date2); $date1->setTimezone(new DateTimeZone('UTC')); $date2->setTimezone(new DateTimeZone('EST')); var_dump($date1 < $date2);
Output for 5.5.0 - 5.5.9, 7.0.20, 7.1.5 - 7.1.25, 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
bool(true) bool(true)
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 bool(true) bool(true)
Output for 5.5.10 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.7, 7.1.0
bool(true) bool(false)

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228.11 ms | 402 KiB | 231 Q