$rangeY = range(1950, 2015);
    $rangeM = range(1, 12);
    $rangeD = range(1, 31);
    
<select class="profile_birthday_select" name="yy" id="yy">
                <?foreach ($rangeY as $key) {?>
                  <option value="male"><?=$key;?></option>
                <?}?>
              </select>
              <select class="profile_birthday_select" name="mm" id="mm">
                <?foreach ($rangeM as $key) {?>
                  <option value="male"><?=$key;?></option>
                <?}?>
              </select>
              <select class="profile_birthday_select" name="dd" id="dd">
                <?foreach ($rangeD as $key) {?>
                  <option value="male"><?=$key;?></option>
                <?}?>
              </select> I want to decide which year and day I should use 
, but the number of past will be in this format: String 
 and YYYY-MM-DD 
<?=$data->{"birthday"};?>so how do I remove YYYY, MM and DD? separately?
