根据生日算星座

var_dump(get_xingzuo($bir="0330"));die;
  function get_xingzuo($bir="0330") { // 根据身份证号，自动返回对应的星座
  
    $month = (int)substr($bir,0,2);
    $day = (int)substr($bir,2);
    $strValue = '';
    if (($month == 1 && $day >= 20) || ($month == 2 && $day <= 18)) {
      $strValue = "水瓶座";
    } else if (($month == 2 && $day >= 19) || ($month == 3 && $day <= 20)) {
      $strValue = "双鱼座";
    } else if (($month == 3 && $day > 20) || ($month == 4 && $day <= 19)) {
      $strValue = "白羊座";
    } else if (($month == 4 && $day >= 20) || ($month == 5 && $day <= 20)) {
      $strValue = "金牛座";
    } else if (($month == 5 && $day >= 21) || ($month == 6 && $day <= 21)) {
      $strValue = "双子座";
    } else if (($month == 6 && $day > 21) || ($month == 7 && $day <= 22)) {
      $strValue = "巨蟹座";
    } else if (($month == 7 && $day > 22) || ($month == 8 && $day <= 22)) {
      $strValue = "狮子座";
    } else if (($month == 8 && $day >= 23) || ($month == 9 && $day <= 22)) {
      $strValue = "处女座";
    } else if (($month == 9 && $day >= 23) || ($month == 10 && $day <= 23)) {
      $strValue = "天秤座";
    } else if (($month == 10 && $day > 23) || ($month == 11 && $day <= 22)) {
      $strValue = "天蝎座";
    } else if (($month == 11 && $day > 22) || ($month == 12 && $day <= 21)) {
      $strValue = "射手座";
    } else if (($month == 12 && $day > 21) || ($month == 1 && $day <= 19)) {
      $strValue = "魔羯座";
    }
    return $strValue;

  }