php计算时间差/两个时间日期相隔的天数,时,分,秒.
function?timediff(?$begin_time,?$end_time?)?{?????if?(?$begin_time?$end_time?)?{?????????$starttime?=?$begin_time;?????????$endtime?=?$end_time;?????}?else?{?????????$starttime?=?$end_time;?????????$endtime?=?$begin_time;?????}?????$timediff?=?$endtime?-?$starttime;?????$days?=?intval(?$timediff?/?86400?);?????$remain?=?$timediff?%?86400;?????$hours?=?intval(?$remain?/?3600?);?????$remain?=?$remain?%?3600;?????$mins?=?intval(?$remain?/?60?);?????$secs?=?$remain?%?60;?????$res?=?array(?"day"?=>?$days,?"hour"?=>?$hours,?"min"?=>?$mins,?"sec"?=>?$secs?);?????return?$res;?}?//========?实例使用 ========?$timediff?=?timediff(?strtotime(?"2011-10-28"?),?strtotime(?"2011-10-29"?)?);?print_r(?$timediff?);??>