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<?php $dateTime = DateTime::createFromFormat('Y-m-d', '2016-18-45'); var_dump($dateTime && $dateTime->format('Y-m-d') === '2016-18-45'); echo "\n==============================\n"; var_dump($dateTime->format('Y-m-d'));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) ============================== string(10) "2017-07-15"

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