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run code in 300+ PHP versions simultaneously
<?php function nextMonth($date, $increment) { $1stOfDateMonth = \DateTime::createFromFormat('Y-m-01', $date); $31stOfDateMonth = \DateTime::createFromFormat('Y-m-t', $date)->format('t'); $31stOfNextMonth = clone $1stOfDateMonth; $31stOfNextMonth->modify('+' (int) $increment . ' month')->format('t'); $dayOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date)->format('d'); $dt = \DateTime::createFromFormat('Y-m-d', $date); $dt->modify('+' (int) $increment . ' month'); if ($31stOfNextMonth < $31stOfDateMonth && $31stOfNextMonth < $dayOfDateMonth) { $dt = \DateTime::createFromFormat('Y-m-01', $date); $dt->modify('+' (int) $increment . ' month +' . $31stOfNextMonth); } return $dt->format('Y-m-d'); } echo nextMonth('2009-12-31', 2),"\n"; echo nextMonth('2010-01-31', 1),"\n"; echo nextMonth('2010-01-05', 1),"\n"; echo nextMonth('2010-12-05', 1),"\n";
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected '1' (T_LNUMBER), expecting variable (T_VARIABLE) or '$' in /in/3QmIi on line 5
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_LNUMBER, expecting T_VARIABLE or '$' in /in/3QmIi on line 5
Process exited with code 255.

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