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<?php $dt = new DateTime("first day of this month"); echo $dt->format("Y-m-d H:i:s\n"); $dt->add(new DateInterval("P1D")); echo $dt->format("Y-m-d H:i:s\n");
Output for 5.3.7 - 5.3.29, 5.4.0 - 5.4.45, 5.5.1 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
2013-04-01 09:24:53 2013-04-02 09:24:53
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
2013-04-01 07:24:53 2013-04-02 07:24:53
Output for 5.5.0
2013-04-01 09:24:54 2013-04-02 09:24:54
Output for 5.3.0 - 5.3.6
2013-04-01 09:24:53 2013-04-01 09:24:53
Output for 5.2.0 - 5.2.17
Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (first day of this month) at position 10 (o): The timezone could not be found in the database' in /in/18hPB:2 Stack trace: #0 /in/18hPB(2): DateTime->__construct('first day of th...') #1 {main} thrown in /in/18hPB on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/18hPB on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/18hPB on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/18hPB on line 2

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