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<?php /** * @param DateTime $dateTime The dateTime to be rounded * * @return DateTime The rounded DateTime */ function roundDateTime(\DateTime $dateTime) { $rounded = clone $dateTime; //Avoid side effects return $rounded->setTimestamp($rounded->getTimestamp() - $rounded->getTimestamp() % 1800); return $rounded; } // Test code below $start = new \DateTime(); $end = new \DateTime('+ 1 hour'); $interval = new \DateInterval('PT1M'); $period = new \DatePeriod($start, $interval, $end); foreach($period as $minute){ echo $minute->format('Y-m-d H:i') . "<br/>\n"; echo roundDateTime($minute)->format('Y-m-d H:i') . "<br/><br/>\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
2014-05-17 21:01<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:02<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:03<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:04<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:05<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:06<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:07<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:08<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:09<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:10<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:11<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:12<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:13<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:14<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:15<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:16<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:17<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:18<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:19<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:20<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:21<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:22<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:23<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:24<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:25<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:26<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:27<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:28<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:29<br/> 2014-05-17 21:00<br/><br/> 2014-05-17 21:30<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:31<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:32<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:33<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:34<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:35<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:36<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:37<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:38<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:39<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:40<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:41<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:42<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:43<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:44<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:45<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:46<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:47<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:48<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:49<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:50<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:51<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:52<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:53<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:54<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:55<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:56<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:57<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:58<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 21:59<br/> 2014-05-17 21:30<br/><br/> 2014-05-17 22:00<br/> 2014-05-17 22:00<br/><br/>

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