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run code in 150+ php & hhvm versions
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<?php $startTime = "08:15"; $oneHourLater = \DateTime::createFromFormat('H:i', $startTime)->modify('+ 1 hour'); var_dump($oneHourLater);
Output for 5.4.30 - 5.4.34, 5.6.28, 7.0.14 - 7.1.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2014-10-29 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.6
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-05-03 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.14, 7.0.5
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-02 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.4
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-10 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.3
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-18 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.2
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-22 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.0.1
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-23 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for hhvm-3.12.0, 7.0.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-26 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.6.21
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-05-02 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.20
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-09 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.19
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-07 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.18
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-14 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.17
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-19 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.16
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-27 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.15
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-28 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.13
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-15 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.12
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-19 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.11
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-23 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.10
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-25 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.9
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-27 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.8
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-29 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.6.7
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-05-25 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.35
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-05-22 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.34
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-10 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.33
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-08 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.32
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-17 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.31
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-03-20 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.30
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-01 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.29
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-16 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.28
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-20 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.27
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-22 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.26
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-26 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.25
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-04-28 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.5.24
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-05-23 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.4.43 - 5.4.45
object(DateTime)#1 (3) { ["date"]=> string(26) "2015-09-07 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.4.35 - 5.4.42
object(DateTime)#1 (3) { ["date"]=> string(26) "2015-07-09 09:15:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.3.0 - 5.4.29
object(DateTime)#1 (3) { ["date"]=> string(19) "2014-10-29 09:15:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 5.2.10 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1WldR on line 3 Fatal error: Call to undefined method DateTime::createFromFormat() in /in/1WldR on line 3
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1WldR on line 3 Fatal error: Call to undefined method DateTime::createfromformat() in /in/1WldR on line 3
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1WldR on line 3 Fatal error: Class 'DateTime' not found in /in/1WldR on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1WldR on line 3 Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/1WldR on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1WldR on line 3 Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/1WldR on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/1WldR on line 3 Parse error: parse error in /in/1WldR on line 3
Process exited with code 255.