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<?php $yo = new DateTime(); $ret = function($a){return $a;}; $dude = $ret(clone $yo)->modify("+13 months"); var_dump($dude,$yo);
Output for git.master
object(DateTime)#3 (3) { ["date"]=> string(26) "2014-11-21 11:05:00.003793" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2013-10-21 11:05:00.003793" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for git.master_jit
object(DateTime)#3 (3) { ["date"]=> string(26) "2014-11-21 11:05:00.004194" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2013-10-21 11:05:00.004194" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for rfc.property-hooks
object(DateTime)#3 (3) { ["date"]=> string(26) "2014-11-21 11:05:00.003760" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" } object(DateTime)#1 (3) { ["date"]=> string(26) "2013-10-21 11:05:00.003760" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }

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