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<?php $c = new DateTime("31/01/2016"); $c->add(new DateInterval('P1M')); echo $c->format('Y/m/d');
Output for 8.3.0 - 8.3.6
Fatal error: Uncaught DateMalformedStringException: Failed to parse time string (31/01/2016) at position 0 (3): Unexpected character in /in/h0B1O:3 Stack trace: #0 /in/h0B1O(3): DateTime->__construct('31/01/2016') #1 {main} thrown in /in/h0B1O on line 3
Process exited with code 255.
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
Fatal error: Uncaught Exception: Failed to parse time string (31/01/2016) at position 0 (3): Unexpected character in /in/h0B1O:3 Stack trace: #0 /in/h0B1O(3): DateTime->__construct('31/01/2016') #1 {main} thrown in /in/h0B1O on line 3
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string (31/01/2016) at position 0 (3): Unexpected character in /in/h0B1O:3 Stack trace: #0 /in/h0B1O(3): DateTime->__construct('31/01/2016') #1 {main} thrown in /in/h0B1O on line 3
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): Failed to parse time string (31/01/2016) at position 0 (3): Unexpected character' in /in/h0B1O:3 Stack trace: #0 /in/h0B1O(3): DateTime->__construct('31/01/2016') #1 {main} thrown in /in/h0B1O on line 3
Process exited with code 255.

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