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run code in 150+ php & hhvm versions
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<?php $sample1 = "2010-01-31"; $dnow = date("t",strtotime($sample1)); $dnext = date("t",strtotime($sample1 . " +1 month")); $dday = date("d",strtotime($sample1)); $output = strtotime("+1 month"); if ($dnext < $dnow && $dnext < $dday) { $nextMonth = date("Y-m", strtotime($sample)); $nextMonth = date("Y-m", strtotime($nextMonth . " +1 month")); $output = strtotime($nextMonth . '-' . $dnext); } echo $output; $ts = strtotime('2010-01-31 +1 month'); echo date('Y-m-d', $ts); echo "\n"; $dt = new \DateTime('2010-01-31'); $dt->add(new \DateInterval('P1M')); echo $dt->format('Y-m-d'); echo "\n"; $ts = strtotime('2010-01-05 +1 month'); echo date('Y-m-d', $ts); echo "\n"; $dt = new \DateTime('2010-01-05'); $dt->add(new \DateInterval('P1M')); echo $dt->format('Y-m-d');
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
13873974652010-03-03 2010-03-03 2010-02-05 2010-02-05
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 19 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 20 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 26 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 27 13873974652010-03-03 Fatal error: Call to undefined method DateTime::add() in /in/n7Z0h on line 20
Process exited with code 255.
Output for 5.0.3 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 19 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 20 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 26 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 27 13873974652010-03-03 Fatal error: Class 'DateTime' not found in /in/n7Z0h on line 19
Process exited with code 255.
Output for 5.0.0 - 5.0.2
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 19 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 20 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 26 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 27 13873212002010-03-03 Fatal error: Class 'DateTime' not found in /in/n7Z0h on line 19
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 19 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 20 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 26 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 27 13873974652010-03-03 Fatal error: Cannot instantiate non-existent class: datetime in /in/n7Z0h on line 19
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 19 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 20 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 26 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/n7Z0h on line 27 13873974652010-03-03 Fatal error: Cannot instantiate non-existent class: datetime in /in/n7Z0h on line 19