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run code in 200+ php & hhvm versions
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<?php $from = new DateTime('1970-01-01 22:00:00'); $to = (clone $from); $to->modify('+5 hours'); $dp = new DatePeriod($from, new DateInterval('P1H'), $to); $r = array(); foreach ($dp as $d) { $r[] = $d->format('hA'); } print_r($r);
based on jqE6d
Output for 7.0.0 - 7.2.6
Fatal error: Uncaught Exception: DateInterval::__construct(): Unknown or bad format (P1H) in /in/huu1a:7 Stack trace: #0 /in/huu1a(7): DateInterval->__construct('P1H') #1 {main} thrown in /in/huu1a on line 7
Process exited with code 255.
Output for 5.6.0 - 5.6.26
Fatal error: Uncaught exception 'Exception' with message 'DateInterval::__construct(): Unknown or bad format (P1H)' in /in/huu1a:7 Stack trace: #0 /in/huu1a(7): DateInterval->__construct('P1H') #1 {main} thrown in /in/huu1a on line 7
Process exited with code 255.