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PHP calculates age (one year old) based on birthday
<?php/** * 根据时间戳计算年龄 * @param $birth * @return mixed */functionhowOld($birth) {list($birthYear, $birthMonth, $birthDay) = explode('-', date('Y-m-d', $birth)); list($currentYear, $currentMonth, $currentDay) = explode('-', date('Y-m-d')); $age = $currentYear - $birthYear - 1; if($currentMonth > $birthMonth || $currentMonth == $birthMonth && $currentDay >= $birthDay) $age++; return$age; } ?>
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