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run code in 150+ php & hhvm versions
Bugs & Features
<?php function nextMonth($date, $increment) { $firstOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date)->modify('first day of this month'); $thirtyFirstOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date)->modify('last day of this month'); $thirtyFirstOfDateMonthNum = $thirtyFirstOfDateMonth->format('d'); $thirtyFirstOfNextMonth = clone $firstOfDateMonth; $thirtyFirstOfNextMonth->modify('+' . (int) $increment . ' month')->modify('last day of this month'); $thirtyFirstOfNextMonthNum = $thirtyFirstOfNextMonth->format('d'); $dayOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date); $dayOfDateMonthNum = $dayOfDateMonth->format('d'); $dt = \DateTime::createFromFormat('Y-m-d', $date); $dt->modify('+' . (int) $increment . ' month'); if ($thirtyFirstOfNextMonthNum < $thirtyFirstOfDateMonthNum && $thirtyFirstOfNextMonthNum < $dayOfDateMonthNum) { $dt = clone $thirtyFirstOfNextMonth; } return $dt->format('Y-m-d'); } echo nextMonth('2009-12-31', 2),"\n"; echo nextMonth('2010-01-31', 1),"\n"; echo nextMonth('2010-01-05', 1),"\n"; echo nextMonth('2010-12-05', 1),"\n"; echo nextMonth('2010-01-31', 13),"\n"; echo nextMonth('2010-01-31', 3),"\n";
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
2010-02-28 2010-02-28 2010-02-05 2011-01-05 2011-02-28 2010-04-30
Output for 5.2.10 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 13 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 16 Fatal error: Call to undefined method DateTime::createFromFormat() in /in/iT92O on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 13 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 16 Fatal error: Call to undefined method DateTime::createfromformat() in /in/iT92O on line 5
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 13 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 16 Fatal error: Class 'DateTime' not found in /in/iT92O on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 5 Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/iT92O on line 5
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/iT92O on line 5 Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/iT92O on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/iT92O on line 5 Parse error: parse error in /in/iT92O on line 5
Process exited with code 255.