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<?php if (class_exists('DateTime')) { $date = new DateTime('2013-10-31'); print $date->modify('-1 month'); } else { print 'Not supported.'; }
Output for 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 - 8.3.6
Fatal error: Uncaught Error: Object of class DateTime could not be converted to string in /in/ZmCbK:5 Stack trace: #0 {main} thrown in /in/ZmCbK on line 5
Process exited with code 255.
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Recoverable fatal error: Object of class DateTime could not be converted to string in /in/ZmCbK on line 5
Process exited with code 255.
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 - 7.0.33
Catchable fatal error: Object of class DateTime could not be converted to string in /in/ZmCbK on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.17
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Not supported.

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