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run code in 150+ php & hhvm versions
Bugs & Features
<?php function nextMonth($date, $increment) { $firstOfDateMonth = \DateTime::createFromFormat('Y-m-01', $date); $thirtyFirstOfDateMonth = \DateTime::createFromFormat('Y-m-t', $date); $thirtyFirstOfDateMonth = $thirtyFirstOfDateMonth->format('t'); $thirtyFirstOfNextMonth = clone $firstOfDateMonth; $thirtyFirstOfNextMonth->modify('+' . (int) $increment . ' month'); $thirtyFirstOfNextMonth = $thirtyFirstOfNextMonth->format('t'); $dayOfDateMonth = \DateTime::createFromFormat('Y-m-d', $date); $dayOfDateMonth = $dayOfDateMonth->format('d'); $dt = \DateTime::createFromFormat('Y-m-d', $date); $dt->modify('+' . (int) $increment . ' month'); if ($thirtyFirstOfNextMonth < $thirtyFirstOfDateMonth && $thirtyFirstOfNextMonth < $dayOfDateMonth) { $dt = clone $firstOfDateMonth; $dt->modify('+' . (int) $increment . ' month +' . $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";
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to a member function format() on boolean in /in/JTcAg:7 Stack trace: #0 /in/JTcAg(25): nextMonth('2009-12-31', 2) #1 {main} thrown in /in/JTcAg on line 7
Process exited with code 255.
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Uncaught exception 'BadMethodCallException' with message 'Call to a member function format() on a non-object (boolean)' in /in/JTcAg:7 Stack trace: #0 /in/JTcAg(25): nextMonth() #1 {main}
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Fatal error: Call to a member function format() on boolean in /in/JTcAg on line 7
Process exited with code 255.
Output for 5.3.0 - 5.5.35
Fatal error: Call to a member function format() on a non-object in /in/JTcAg on line 7
Process exited with code 255.
Output for 5.2.10 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JTcAg on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JTcAg on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JTcAg on line 13 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JTcAg on line 16 Fatal error: Call to undefined method DateTime::createFromFormat() in /in/JTcAg on line 5
Process exited with code 255.
Output for 5.2.3 - 5.2.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JTcAg on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JTcAg on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JTcAg on line 13 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/JTcAg on line 16 Fatal error: Call to undefined method DateTime::createfromformat() in /in/JTcAg on line 5
Process exited with code 255.
Output for 5.2.0 - 5.2.2
<br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>5</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>6</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>13</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>16</b><br /> <br /> <b>Fatal error</b>: Call to undefined method DateTime::createfromformat() in <b>/in/JTcAg</b> on line <b>5</b><br />
Process exited with code 255.
Output for 5.0.0 - 5.1.6
<br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>5</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>6</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>13</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>16</b><br /> <br /> <b>Fatal error</b>: Class 'DateTime' not found in <b>/in/JTcAg</b> on line <b>5</b><br />
Process exited with code 255.
Output for 4.4.2 - 4.4.9
<br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>5</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>6</b><br /> <br /> <b>Parse error</b>: syntax error, unexpected T_VARIABLE in <b>/in/JTcAg</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
<br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>5</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>6</b><br /> <br /> <b>Parse error</b>: parse error, unexpected T_VARIABLE in <b>/in/JTcAg</b> on line <b>9</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>5</b><br /> <br /> <b>Warning</b>: Unexpected character in input: '\' (ASCII=92) state=1 in <b>/in/JTcAg</b> on line <b>6</b><br /> <br /> <b>Parse error</b>: parse error in <b>/in/JTcAg</b> on line <b>9</b><br />
Process exited with code 255.