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<?php $begin = new DateTime( '2015-01-01' ); $end = new DateTime( '2017-12-26' ); $interval = new DateInterval('P6M'); $period = new DatePeriod($begin, $interval, $end); foreach ( $period as $dt ) $endDate = (new $dt)->add($interval)->sub(new DateInterval('PT1D')); echo sprintf("%s-%s\n", $dt->format("Y-m-d"), $endDate->format("Y-m-d"));
Output for 8.3.0 - 8.3.22, 8.4.1 - 8.4.8
Fatal error: Uncaught DateMalformedIntervalStringException: Unknown or bad format (PT1D) in /in/k9vpk:11 Stack trace: #0 /in/k9vpk(11): DateInterval->__construct('PT1D') #1 {main} thrown in /in/k9vpk on line 11
Process exited with code 255.
Output for 8.1.0 - 8.1.32, 8.2.0 - 8.2.28
Fatal error: Uncaught Exception: Unknown or bad format (PT1D) in /in/k9vpk:11 Stack trace: #0 /in/k9vpk(11): DateInterval->__construct('PT1D') #1 {main} thrown in /in/k9vpk on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Uncaught Exception: DateInterval::__construct(): Unknown or bad format (PT1D) in /in/k9vpk:11 Stack trace: #0 /in/k9vpk(11): DateInterval->__construct('PT1D') #1 {main} thrown in /in/k9vpk on line 11
Process exited with code 255.
Output for 5.6.0 - 5.6.40
Fatal error: Uncaught exception 'Exception' with message 'DateInterval::__construct(): Unknown or bad format (PT1D)' in /in/k9vpk:11 Stack trace: #0 /in/k9vpk(11): DateInterval->__construct('PT1D') #1 {main} thrown in /in/k9vpk on line 11
Process exited with code 255.
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