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<?php $started = DateTime::createFromFormat('Y-m-d', '2014-06-14'); $today = new DateTime(); $diff = $today->diff($started); $expired = $started->add(new DateInterval('P'.$diff->format('%m').'M')) ; // echo $diff->format('%m'); if ( $started->format('j') < $today->format('j') ) { $expired->add('P1M'); } echo $expired->format('Y-m-d');
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: DateTime::add(): Argument #1 ($interval) must be of type DateInterval, string given in /in/B8tZi:12 Stack trace: #0 /in/B8tZi(12): DateTime->add('P1M') #1 {main} thrown in /in/B8tZi on line 12
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: DateTime::add() expects parameter 1 to be DateInterval, string given in /in/B8tZi on line 12 2014-06-14
Output for 5.2.10 - 5.2.17
Fatal error: Call to undefined method DateTime::createFromFormat() in /in/B8tZi on line 2
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Fatal error: Call to undefined method DateTime::createfromformat() in /in/B8tZi on line 2
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/B8tZi on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Undefined class name 'datetime' in /in/B8tZi on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Undefined class name 'datetime' in /in/B8tZi on line 2

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