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<?php $date = new DateTimeImmutable('2014-05'); $date2 = $date->modify('first day of next month midnight - 1 second'); var_dump($date2->format('U')); var_dump($date2->getTimestamp()); var_dump($date2->format('U'));
Output for 5.6.19 - 5.6.28, 7.0.4 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
string(10) "1401573599" int(1401573599) string(10) "1401573599"
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 string(10) "1401573599" int(1401573599) string(10) "1401573599"
Output for 7.3.32 - 7.3.33, 8.0.13
string(10) "1401580799" int(1401580799) string(10) "1401580799"
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.18, 7.0.0 - 7.0.3
string(10) "1401573599" int(1398981599) string(10) "1398981599"
Output for 5.4.2 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/MkrfE on line 3
Process exited with code 255.

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