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<?php $tzId = "Europe/London"; $tz = new DateTimeZone($tzId); $trans = $tz->getTransitions(); print_r($trans[count($trans)-1]);
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Array ( [ts] => 2140045200 [time] => 2037-10-25T01:00:00+00:00 [offset] => 0 [isdst] => [abbr] => GMT )
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 Array ( [ts] => 2140045200 [time] => 2037-10-25T01:00:00+00:00 [offset] => 0 [isdst] => [abbr] => GMT )
Output for 7.3.24 - 7.3.33, 7.4.12 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Array ( [ts] => 2140045200 [time] => 2037-10-25T01:00:00+0000 [offset] => 0 [isdst] => [abbr] => GMT )

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