3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php /** * Return the next month date given a date and month increment * * 2010-01-31 +1 month = 2010-02-28 not 2010-03-03 * * @todo Need to do weekdays and holiday accounting * @param string $date Date to base from in Y-m-d format * @param integer $increment Number of months to increment * @return string Date after increment */ function nextMonth($date, $increment) { // Grab the first day of month of the passed in date $firstOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date)->modify('first day of this month'); // Grab the last day of month of the passed in date $thirtyFirstOfDateMonthNum = \DateTime::createFromFormat('Y-m-d', $date)->modify('last day of this month')->format('d'); unset($thirtyFirstOfDateMonth); // Using the first day of month of the passed in date add month increment and get last day of that month $thirtyFirstOfNextMonth = $firstOfDateMonth; unset($firstOfDateMonth); $thirtyFirstOfNextMonth->add(new \DateInterval('P' . (int) $increment . 'M'))->modify('last day of this month'); // Just get the number of the last day $thirtyFirstOfNextMonthNum = $thirtyFirstOfNextMonth->format('d'); // Turn the passed in date into a DateTime object $dayOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date); // Just get the number of the day $dayOfDateMonthNum = $dayOfDateMonth->format('d'); // Using the passed in date add month increment and assume correct so far $dt = $dayOfDateMonth; unset($dayOfDateMonth); $dt->add(new \DateInterval('P' . (int) $increment . 'M')); // If the last day of next month < last day of month from passed date && last day of next month < passed date day number if ($thirtyFirstOfNextMonthNum < $thirtyFirstOfDateMonthNum && $thirtyFirstOfNextMonthNum < $dayOfDateMonthNum) { // PHP has gone over the date we want so use last day of next month $dt = $thirtyFirstOfNextMonth; } unset($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"; echo nextMonth('2010-01-31', 0),"\n";
Output for 5.3.0 - 7.1.0
2010-02-28 2010-02-28 2010-02-05 2011-01-05 2011-02-28 2010-04-30 2010-01-31
Output for 5.2.10 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 16 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 18 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 24 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 29 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 36 Fatal error: Call to undefined method DateTime::createFromFormat() in /in/MpXqn on line 16
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 16 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 18 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 24 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 29 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 36 Fatal error: Call to undefined method DateTime::createfromformat() in /in/MpXqn on line 16
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 16 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 18 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 24 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 29 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 36 Fatal error: Class 'DateTime' not found in /in/MpXqn on line 16
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 16 Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/MpXqn on line 16
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/MpXqn on line 16 Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/MpXqn on line 16
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/MpXqn on line 16 Parse error: parse error in /in/MpXqn on line 16
Process exited with code 255.