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<?php $expected = new DateTimeImmutable('2015-08-31 01:02:04.456790'); $date = (new DateTimeImmutable('2015-08-31 01:02:03.456789'))->modify('+1000001 microseconds'); var_dump($expected == $date);
Output for 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)
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)
Output for 7.1.0 - 7.1.33
bool(false)
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Warning: DateTimeImmutable::modify(): Failed to parse time string (+1000001 microseconds) at position 5 (0): Unexpected character in /in/KB57r on line 4 bool(false)

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261.76 ms | 402 KiB | 291 Q