/* 时间转时间缀 @param $time 传入时间 @param $stime 开始时间缀 @param $etime 结束时间缀 */function timeSwitch($time){ ???if(preg_match(‘/^\d{4}$/‘,$time)){ ?// 年 ???????$stime = strtotime("{$time}-01-01 00:00:00"); ???????$etime = strtotime("{$time}-01-01 00:00:00 +1year"); ???}elseif(preg_match(‘/^\d{4}-{1}\d{1,2}$/‘,$time)){ ?// 月 ???????$stime = strtotime("{$time}-01 00:00:00"); ???????$etime = strtotime("{$time}-01 00:00:00 +1month"); ???}elseif(preg_match(‘/^\d{4}-{1}\d{1,2}-{1}\d{1,2}$/‘,$time)){ ?// 日 ???????$stime = strtotime("{$time} 00:00:00"); ???????$etime = strtotime("{$time} 00:00:00 +1day"); ???}else{ ?// 格式错误 ???????return false; ???} ???$arr = array( ???????????‘stime‘=>$stime, ???????????‘etime‘=>$etime ???????); ???return $arr;}php求出当年/月/日的时间缀
原文地址：http://blog.51cto.com/12173069/2094367