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run code in 150+ php & hhvm versions
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<?php $sdate = "1981-11-04"; $edate = "2013-09-04"; $date_diff = abs(strtotime($edate) - strtotime($sdate)); $years = floor($date_diff / (365*60*60*24)); $months = floor(($date_diff - $years * 365*60*60*24) / (30*60*60*24)); $days = floor(($date_diff - $years * 365*60*60*24 - $months*30*60*60*24)/ (60*60*24)); printf("%d years, %d months, %d days", $years, $months, $days); ?> - See more at: http://www.w3resource.com/php-exercises/php-date-exercises.php#sthash.xJA52BEw.dpuf
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
31 years, 10 months, 11 days - See more at: http://www.w3resource.com/php-exercises/php-date-exercises.php#sthash.xJA52BEw.dpuf