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run code in 200+ php & hhvm versions
Bugs & Features
<?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]));
based on Zv6Ni
Output for 5.6.0 - 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.0 - 7.3.0beta1
bool(true) bool(true) bool(true)