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run code in 150+ php & hhvm versions
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<?php $startDate = new \DateTime(); $startDate->setDate(2014, 01, 30); $startDate->setTime(0, 0, 0); var_dump($startDate); $nextMonth = clone $startDate; $nextMonth->modify('+ 14 days'); $nextMonth->modify('last day of the month'); var_dump($nextMonth); $startDate->add(new DateInterval(sprintf('P%dD', $startDate->format('t')))); $startDate->sub(new DateInterval('P1D')); $startDate->setTime(23, 59, 59); while ($startDate >= $nextMonth) { $startDate->sub(new DateInterval('P1D')); } var_dump($startDate); $newDate = new \DateTime(); $newDate->setDate(2014, 02, 27); $newDate->setTime(23, 59, 59); var_dump($newDate->getTimestamp() == $startDate->getTimestamp());
based on 7UJrS
Output for 5.4.30 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2014-01-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } Warning: DateTime::modify(): Failed to parse time string (last day of the month) at position 12 (t): The timezone could not be found in the database in /in/7b5uE on line 9 object(DateTime)#2 (3) { ["date"]=> string(26) "2014-02-13 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2014-02-12 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(false)
Output for hhvm-3.10.0
object(DateTime)#1 (3) { ["date"]=> string(26) "2014-01-30 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#2 (3) { ["date"]=> string(26) "2014-02-28 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2014-02-27 23:59:59.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(true)
Output for 5.3.2 - 5.4.29
object(DateTime)#1 (3) { ["date"]=> string(19) "2014-01-30 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } Warning: DateTime::modify(): Failed to parse time string (last day of the month) at position 12 (t): The timezone could not be found in the database in /in/7b5uE on line 9 object(DateTime)#2 (3) { ["date"]=> string(19) "2014-02-13 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(19) "2014-02-12 23:59:59" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(false)
Output for 5.3.0 - 5.3.1
object(DateTime)#1 (3) { ["date"]=> string(19) "2014-01-30 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#2 (3) { ["date"]=> string(19) "2014-02-28 00:00:00" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(19) "2014-02-27 23:59:59" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } bool(false)
Output for 5.2.13 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/7b5uE on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/7b5uE on line 22 object(DateTime)#1 (0) { } Warning: DateTime::modify(): Failed to parse time string (last day of the month) at position 9 (o): The timezone could not be found in the database in /in/7b5uE on line 9 object(DateTime)#2 (0) { } Fatal error: Call to undefined method DateTime::add() in /in/7b5uE on line 12
Process exited with code 255.
Output for 5.2.0 - 5.2.12
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/7b5uE on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/7b5uE on line 22 object(DateTime)#1 (0) { } object(DateTime)#2 (0) { } Fatal error: Call to undefined method DateTime::add() in /in/7b5uE on line 12
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/7b5uE on line 2 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/7b5uE on line 22 Fatal error: Class 'DateTime' not found in /in/7b5uE on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/7b5uE on line 2 Parse error: syntax error, unexpected T_VARIABLE in /in/7b5uE on line 7
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/7b5uE on line 2 Parse error: parse error, unexpected T_VARIABLE in /in/7b5uE on line 7
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/7b5uE on line 2 Parse error: parse error in /in/7b5uE on line 7
Process exited with code 255.