//把当前日期时间以指定的格式转成字符串 $date_out=date ( 'Y-m-d H:i:s', time () ); //把时间字符串改成时间戳 $aab=strtotime($date_out); //计算天数 $NowTime = $proall['date']; $aab=strtotime($NowTime); $NowTime=date('Y-m-d',$aab); $NowTime2=date('Y-m-d',time()); $day1 = $NowTime; $day2 = $NowTime2; $diff = diffBetweenTwoDays($day1, $day2);