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<?php $tz = new DateTimeZone('Europe/Brussels'); $a = new DateTime('2014-10-26T02:15:00', $tz); echo $a->sub(new DateInterval('PT30M'))->format('c'); $b = new DateTime('2014-10-26T01:45:00', $tz); echo $a->add(new DateInterval('PT30M'))->format('c');
Output for 5.4.24 - 5.4.45, 5.5.8 - 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 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2014-10-26T02:45:00+02:002014-10-26T02:15:00+01:00
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.23, 5.5.0 - 5.5.7
2014-10-26T01:45:00+02:002014-10-26T02:15:00+01:00
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined method DateTime::sub() in /in/6JEj6 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTimeZone' not found in /in/6JEj6 on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_OBJECT_OPERATOR, expecting ',' or ';' in /in/6JEj6 on line 4
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
Parse error: parse error, unexpected T_OBJECT_OPERATOR, expecting ',' or ';' in /in/6JEj6 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `','' or `';'' in /in/6JEj6 on line 4
Process exited with code 255.

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