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<?php $a = new DateInterval('PT1S'); $a->f = 5; $b = DateTime::createFromFormat('Y-m-d H:i:s.u', '2000-1-1 10:01:01.250'); $b->sub($a); print_r($b->format('H:i:s.v'));
Output for git.master, git.master_jit, rfc.property-hooks
10:00:55.250

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