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<?php $date1 = new DateTime('2015-03-31'); $date2 = new DateTime('2015-03-01'); $interval = $date1->diff($date2); $diff = $interval->format('%y-%m-%d'); echo $interval->m; echo "\n"; echo $diff; echo "\n"; $date1 = "2015-03-31"; $date2 = "2015-03-01"; $diff = abs(strtotime($date2) - strtotime($date1)); $years = floor($diff / (365*60*60*24)); $months = floor(($diff - $years * 365*60*60*24) / (30*60*60*24)); $days = floor(($diff - $years * 365*60*60*24 - $months*30*60*60*24)/ (60*60*24)); printf("%d years, %d months, %d days\n", $years, $months, $days); ?>

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