php获取当天的开始时间和结束时间
//当天开始时间 $start_time=strtotime(date("Y-m-d",time())); //当天结束之间 $end_time=$start_time+60*60*24; echo $start_time; 1541001600 echo $end_time; 1541088000 $start_time=date("Y-m-d H:i:s",$start_time); $end_time=date("Y-m-d H:i:s",$end_time); echo $start_time; 1541001600 //2018-11-01 00:00:00 echo $end_time; 1541088000 //2018-11-02 00:00:00