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<?php function validateDate($date, $format = 'm/d/Y') { $d = DateTime::createFromFormat($format, $date); return $d && $d->format($format) == $date; } $dateArr = ['12', '08', '2017']; var_dump(checkdate(intval($dateArr[0]), intval($dateArr[1]), intval($dateArr[2]))); var_dump(substr_compare($dateArr[2], '20', 0, 2) === 0); var_dump(validateDate($dateArr[0] . '/' . $dateArr[1] . '/' . $dateArr[2]));
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(true) bool(true)

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