php根据出生日期获取年龄

/** * @param $birthday 出生年月日（1992-1-3） * @return string 年龄 */function countage($birthday){ ???$year=date(‘Y‘); ???$month=date(‘m‘); ???if(substr($month,0,1)==0){ ???????$month=substr($month,1); ???} ???$day=date(‘d‘); ???if(substr($day,0,1)==0){ ???????$day=substr($day,1); ???} ???$arr=explode(‘-‘,$birthday); ???$age=$year-$arr[0]; ???if($month<$arr[1]){ ???????$age=$age-1; ???}elseif($month==$arr[1]&&$day<$arr[2]){ ???????$age=$age-1; ???} ???return $age;}
转载于：http://www.cnblogs.com/jcydd/p/7278401.html