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<?php $date = new \DateTime('2017-12-31 23:59:59.999999'); echo $date->format('Y-m-d H:i:s.u'); echo "\n"; echo $date->modify('+1 microsecond')->format('Y-m-d H:i:s.u');
Output for 7.2.12 - 7.2.34, 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
2017-12-31 23:59:59.999999 2018-01-01 00:00:00.000000
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 2017-12-31 23:59:59.999999 2018-01-01 00:00:00.000000
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.11
2017-12-31 23:59:59.999999 2017-12-31 23:59:59.1000000
Output for 7.0.0 - 7.0.33
2017-12-31 23:59:59.999999 Warning: DateTime::modify(): Failed to parse time string (+1 microsecond) at position 9 (e): Double timezone specification in /in/Wl6if on line 7 Fatal error: Uncaught Error: Call to a member function format() on boolean in /in/Wl6if:7 Stack trace: #0 {main} thrown in /in/Wl6if on line 7
Process exited with code 255.
Output for 5.6.0 - 5.6.40
2017-12-31 23:59:59.999999 Warning: DateTime::modify(): Failed to parse time string (+1 microsecond) at position 9 (e): Double timezone specification in /in/Wl6if on line 7 Fatal error: Call to a member function format() on boolean in /in/Wl6if on line 7
Process exited with code 255.
Output for 5.3.2 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
2017-12-31 23:59:59.999999 Warning: DateTime::modify(): Failed to parse time string (+1 microsecond) at position 9 (e): Double timezone specification in /in/Wl6if on line 7 Fatal error: Call to a member function format() on a non-object in /in/Wl6if on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.1
2017-12-31 23:59:59.999999 2017-12-31 23:59:59.999999
Output for 5.2.2 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Wl6if on line 3 2017-12-31 23:59:59.999999 Fatal error: Call to a member function format() on a non-object in /in/Wl6if on line 7
Process exited with code 255.
Output for 5.2.0 - 5.2.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Wl6if on line 3 2017-12-31 23:59:59.u Fatal error: Call to a member function format() on a non-object in /in/Wl6if on line 7
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Wl6if on line 3 Fatal error: Class 'DateTime' not found in /in/Wl6if on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Wl6if on line 3 Parse error: syntax error, unexpected T_OBJECT_OPERATOR, expecting ',' or ';' in /in/Wl6if on line 7
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Wl6if on line 3 Parse error: parse error, unexpected T_OBJECT_OPERATOR, expecting ',' or ';' in /in/Wl6if on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/Wl6if on line 3 Parse error: parse error, expecting `','' or `';'' in /in/Wl6if on line 7
Process exited with code 255.

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