Month/Day/Year HTML dropdown with PHP validation

We have to provide $month,$day and $year values.
 


<select name="month" id="month">
    <option value="1"  <?PHP if($month==1) echo "selected";?>>January</option>
    <option value="2"  <?PHP if($month==2) echo "selected";?>>February</option>
    <option value="3"  <?PHP if($month==3) echo "selected";?>>March</option>
    <option value="4"  <?PHP if($month==4) echo "selected";?>>April</option>
    <option value="5"  <?PHP if($month==5) echo "selected";?>>May</option>
    <option value="6"  <?PHP if($month==6) echo "selected";?>>June</option>
    <option value="7"  <?PHP if($month==7) echo "selected";?>>July</option>
    <option value="8"  <?PHP if($month==8) echo "selected";?>>August</option>
    <option value="9"  <?PHP if($month==9) echo "selected";?>>September</option>
    <option value="10" <?PHP if($month==10) echo "selected";?>>October</option>
    <option value="11" <?PHP if($month==11) echo "selected";?>>November</option>
    <option value="12" <?PHP if($month==12) echo "selected";?>>December</option>
</select>

<select name="day" id="day">
    <option value="1"  <?PHP if($day==1) echo "selected";?>>1</option>
    <option value="2"  <?PHP if($day==2) echo "selected";?>>2</option>
    <option value="3"  <?PHP if($day==3) echo "selected";?>>3</option>
    <option value="4"  <?PHP if($day==4) echo "selected";?>>4</option>
    <option value="5"  <?PHP if($day==5) echo "selected";?>>5</option>
    <option value="6"  <?PHP if($day==6) echo "selected";?>>6</option>
    <option value="7"  <?PHP if($day==7) echo "selected";?>>7</option>
    <option value="8"  <?PHP if($day==8) echo "selected";?>>8</option>
    <option value="9"  <?PHP if($day==9) echo "selected";?>>9</option>
    <option value="10" <?PHP if($day==10) echo "selected";?>>10</option>
    <option value="11" <?PHP if($day==11) echo "selected";?>>11</option>
    <option value="12" <?PHP if($day==12) echo "selected";?>>12</option>
    <option value="13" <?PHP if($day==13) echo "selected";?>>13</option>
    <option value="14" <?PHP if($day==14) echo "selected";?>>14</option>
    <option value="15" <?PHP if($day==15) echo "selected";?>>15</option>
    <option value="16" <?PHP if($day==16) echo "selected";?>>16</option>
    <option value="17" <?PHP if($day==17) echo "selected";?>>17</option>
    <option value="18" <?PHP if($day==18) echo "selected";?>>18</option>
    <option value="19" <?PHP if($day==19) echo "selected";?>>19</option>
    <option value="20" <?PHP if($day==20) echo "selected";?>>20</option>
    <option value="21" <?PHP if($day==21) echo "selected";?>>21</option>
    <option value="22" <?PHP if($day==22) echo "selected";?>>22</option>
    <option value="23" <?PHP if($day==23) echo "selected";?>>23</option>
    <option value="24" <?PHP if($day==24) echo "selected";?>>24</option>
    <option value="25" <?PHP if($day==25) echo "selected";?>>25</option>
    <option value="26" <?PHP if($day==26) echo "selected";?>>26</option>
    <option value="27" <?PHP if($day==27) echo "selected";?>>27</option>
    <option value="28" <?PHP if($day==28) echo "selected";?>>28</option>
    <option value="29" <?PHP if($day==29) echo "selected";?>>29</option>
    <option value="30" <?PHP if($day==30) echo "selected";?>>30</option>
    <option value="31" <?PHP if($day==31) echo "selected";?>>31</option>
</select>

<select name="year" id="year">
    <?PHP for($i=date("Y"); $i<=date("Y")+2; $i++)
              if($year == $i)
                echo "<option value='$i' selected>$i</option>";
            else
                echo "<option value='$i'>$i</option>";
    ?>
</select>