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<?php $years = 1; $dob = new \DateTime(); $dob->add(\DateInterval::createFromDateString($years . ' years ago')); var_dump($dob);
Output for git.master
object(DateTime)#1 (3) { ["date"]=> string(26) "2013-10-03 14:09:45.004137" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for git.master_jit
object(DateTime)#1 (3) { ["date"]=> string(26) "2013-10-03 14:09:45.003723" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for rfc.property-hooks
object(DateTime)#1 (3) { ["date"]=> string(26) "2013-10-03 14:09:45.003740" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }

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