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<?php $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'); echo "\n"; $ts1 = strtotime('2010-01-31 +1 month'); $ts2 = strtotime('first day of next month'); $ts3 = strtotime('last day of this month', $ts2); $ts = $ts1; if ($ts1 > $ts3) { $ts = $ts3; } echo date('Y-m-d', $ts); echo date('Y-m-d', $ts1); echo date('Y-m-d', $ts2); echo date('Y-m-d', $ts3);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.24, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
2010-03-03 2010-03-03 2010-02-05 2010-02-05 2010-03-032010-03-032013-12-012013-12-31
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 12 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 13 2010-03-03 Fatal error: Call to undefined method DateTime::add() in /in/G1p8R on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 12 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 13 2010-03-03 Fatal error: Class 'DateTime' not found in /in/G1p8R on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 12 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 13 2010-03-03 Fatal error: Cannot instantiate non-existent class: datetime in /in/G1p8R on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 5 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 6 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 12 Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/G1p8R on line 13 2010-03-03 Fatal error: Cannot instantiate non-existent class: datetime in /in/G1p8R on line 5

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