select box 자주쓰는코드 정리 css 적용 및 php 날짜적용

아래와 같은 형태의 날짜선택을 위한 select box 를 CSS 적용하여 기록용으로(개인용)으로 남깁니다

페이지로딩 시 CASE 값을 RECENT 로 넘기게 되면 시작날짜는 3일전 날짜로 세팅이 됩니다 

TODAY 로 넘기게 되면 오늘날짜로 세팅이 됩니다 

        <?

            $tempMonth = "";

            $tempDay = "";

            if ( $CASE == "RECENT" )    $start_year = "";

            if ( $start_year == "" )

            {

                $initYear = date("Y"); $initMonth = date("m"); $initDay = date("d");

                $RECENT_TEMP = mktime(0,0,0, $initMonth, $initDay - 3, $initYear);

                $RECENT_TEMP = date("Ymd",$RECENT_TEMP);

                $initYear = substr($RECENT_TEMP, 0, 4 );

                $initMonth = substr($RECENT_TEMP, 4, 2 );

                $initDay = substr($RECENT_TEMP, 6, 2 );

                

                $start_year = intVal($initYear);

                $start_month = intVal($initMonth);

                $start_day = intVal($initDay);

            }

            if ( $start_month < 10) $start_month = "0" . $start_month;

            if ( $start_day < 10) $start_day = "0" . $start_day;

            $tempMonth = $start_month;

            $tempDay = $start_day;

            

            $START_DATE = $start_year . $tempMonth . $tempDay;

            if ( $end_year == "" ) {

                $end_year = intVal(date("Y")); $end_month = intVal(date("m")); $end_day = intVal(date("d"));

            }

            if ( $end_month < 10)   $end_month = "0" . $end_month;

            if ( $end_day < 10)     $end_day = "0" . $end_day;

            $tempI = $end_month;    $tempI = $end_day;

            

            $END_DATE = $end_year . $end_month . $end_day;

            if ( $CASE == "TODAY" ) {

                $START_DATE = $END_DATE;

                $start_year = $end_year;

                $start_month = $end_month;

                $start_day = $end_day;

            }

        ?>              

        <style>

        input[type=text], select {

            width: 90%;

            height:30px;

            padding: 3px 3px;

            margin: 6px 0;

            display: inline-block;

            border: 1px solid #ccc;

            border-radius: 4px;

            box-sizing: border-box;

            background-color: white;

            -webkit-appearance: none;

            -moz-appearance: none;

            appearance: none;

        }

        </style>

        <?

            $sSelectYearStyle = "width:50px;";

            $sSelectMonthStyle = "width:30px;";

            $sSelectDayStyle = "width:30px;";

        ?>

        <select style="margin-left:15px;<?echo $sSelectYearStyle;?>" name = "start_year" size = 1>                  

            <?

                $nStart = 2018; $nEnd = date("Y") + 2;

                for ( $m = $nStart; $m <= $nEnd; $m++ )

                {

                    ?><option value = "<?echo $m;?>" <?if ( $m == $start_year ) { echo " selected "; }?> > <?echo $m;?></option><?

                }

            ?>

        </select>년

        <select style="<?echo $sSelectMonthStyle;?>" name = "start_month" size = 1>

            <?

                for ( $i = 1; $i <=12; $i++ )

                {

                    if ( $i < 10 ) { $tempI = "0" . $i; }   else { $tempI = $i; }

                    

                    ?><option <?if ( $tempI == $start_month ) { echo " selected "; }?> value = "<?echo $i;?>"> <?echo $tempI;?></option><?

                }

            ?>

        </select>월          

        <select style="<?echo $sSelectDayStyle;?>" name = "start_day" size = 1>

            <?

                for ( $i = 1; $i <=31; $i++ )

                {

                    if ( $i < 10 ) { $tempI = "0" . $i; }   else { $tempI = $i; }

                    

                    ?><option <?if ( $tempI == $start_day ) { echo " selected "; }?> value = "<?echo $i;?>"> <?echo $tempI;?></option><?

                }

            ?>

        </select>일~<select style="<?echo $sSelectYearStyle;?>" name = "end_year" size = 1> 

            <?

                $nStart = 2018; $nEnd = date("Y");

                for ( $i = $nStart; $i <= $nEnd; $i++ )

            ?>

            <option value = "<?echo $i;?>" <?if ( $i == $end_year ) { echo " selected "; }?> ><?echo $i;?></option>

        </select>년

        <select style="<?echo $sSelectMonthStyle;?>" name = "end_month" size = 1>

            <?

                for ( $i = 1; $i <=12; $i++ )

                {

                    if ( $i < 10 ) { $tempI = "0" . $i; } else { $tempI = $i; }

                    

                    ?><option <?if ( $tempI == $end_month ) { echo " selected "; }?> value = "<?echo $i;?>"><?echo $tempI;?></option><?

                }

            ?>

        </select>월

        <select style="<?echo $sSelectDayStyle;?>" name = "end_day" size = 1>

            <?

                for ( $i = 1; $i <=31; $i++ )

                {

                    if ( $i < 10 ) { $tempI = "0" . $i; } else { $tempI = $i; }                    

                    ?><option <?if ( $tempI == $end_day ) { echo " selected "; }?> value = "<?echo $i;?>"><?echo $tempI;?></option><?

                }

            ?>

        </select>일

날짜 계산하는 함수가 더 좋은 함수가 있었네요

 date_interval_create_from_date_string()  

    // 7일전 날짜부터 검색대상

    if ( $start_year == "" )

    {

        $start_date = date_create($ArgSelectedDate);

        date_add($start_date, date_interval_create_from_date_string('-7 days'));

        $start_year = date_format($start_date, 'Y');

        $start_month = date_format($start_date, 'm');

        $start_day = date_format($start_date, 'd');

        $end_year = date("Y");

        $end_month = date("m");

        $end_day = date("d");

    }