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<?php $d = new DateTime( '2010-01-31' ); $d->modify( 'first day of next month' ); echo strtotime( 'last day of +1 month', strtotime('now'));
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.21, 7.0.23 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.22, 7.2.24 - 7.2.33, 7.3.0 - 7.3.9, 7.3.11 - 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
1364708995
Output for 7.3.32 - 7.3.33, 7.4.26, 8.0.13
1364712595
Output for 7.0.22, 7.2.23, 7.3.10
1364708996
Output for 5.2.13 - 5.2.17
Warning: DateTime::modify(): Failed to parse time string (first day of next month) at position 10 (o): The timezone could not be found in the database in /in/Zcag3 on line 3
Output for 5.2.0 - 5.2.12
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/Zcag3 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/Zcag3 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/Zcag3 on line 2

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