{eval $minMonth = strtotime(date('Y-m',strtotime($lineStartDate)).'-1');} {eval $maxMonth = strtotime($lineEndDate);} {eval $curYear = date('Y' ,strtotime($NowDate.'-1'));} {eval $curMonth = date('n' ,strtotime($NowDate.'-1'));} {eval $pervMonth = strtotime($NowDate.'-1 -1 month');} {eval $nextMonth = strtotime($NowDate.'-1 +1 month');}