根据用户身份证获取信息(php)

<?php
/**
* @Class GetInfoByIDCard
* @description：根据用户身份证获取信息
* @Created by PhpStorm.
* @Author: SunsCheung
* @date 2016-01-15
*/
class GetInfoByIDCard{
public function getStarSign($cid){ // 根据身份证号，自动返回对应的星座
if (!$this->isIdCard($cid)) return '';
$bir = substr($cid, 10, 4);
$month = (int)substr($bir, 0, 2);
$day = (int)substr($bir, 2);
$strValue = '';
if (($month == 1 && $day <= 21) || ($month == 2 && $day <= 19)) {
$strValue = "水瓶座";

} else if (($month == 2 && $day > 20) || ($month == 3 && $day <= 20)) {
$strValue = "双鱼座";

} else if (($month == 3 && $day > 20) || ($month == 4 && $day <= 20)) {
$strValue = "白羊座";

} else if (($month == 4 && $day > 20) || ($month == 5 && $day <= 21)) {
$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 <= 23)) {
$strValue = "狮子座";

} else if (($month == 8 && $day > 23) || ($month == 9 && $day <= 23)) {
$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 <= 20)) {
$strValue = "魔羯座";

}
return $strValue;
}
public function getAnimalSign($cid){ //根据身份证号，自动返回对应的生肖
if (!$this->isIdCard($cid)) return '';
$start = 1901;
$end = $end = (int)substr($cid, 6, 4);
$x = ($start - $end) % 12;
$value = "";
if ($x == 1 || $x == -11) {
$value = "鼠";
}
if ($x == 0) {
$value = "牛";
}
if ($x == 11 || $x == -1) {
$value = "虎";
}
if ($x == 10 || $x == -2) {
$value = "兔";
}
if ($x == 9 || $x == -3) {
$value = "龙";
}
if ($x == 8 || $x == -4) {
$value = "蛇";
}
if ($x == 7 || $x == -5) {
$value = "马";
}
if ($x == 6 || $x == -6) {
$value = "羊";
}
if ($x == 5 || $x == -7) {
$value = "猴";
}
if ($x == 4 || $x == -8) {
$value = "鸡";
}
if ($x == 3 || $x == -9) {
$value = "狗";
}
if ($x == 2 || $x == -10) {
$value = "猪";
}
return $value;
}

public function getSexSign($cid){ //根据身份证号，自动返回性别
if (!$this->isIdCard($cid)) return '';
$sexInt = (int)substr($cid, 16, 1);
return $sexInt % 2 === 0 ? '女' : '男';
}

public function isIdCard($number){ // 检查是否是身份证号
// 转化为大写，如出现x
$number = strtoupper($number);
//加权因子
$wi = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);  //校验码串
$ai = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
//按顺序循环处理前17位
$sigma = 0;
for ($i = 0; $i < 17; $i++) {//提取前17位的其中一位，并将变量类型转为实数
$b = (int)$number{$i};
//提取相应的加权因子
$w = $wi[$i];
//把从身份证号码中提取的一位数字和加权因子相乘，并累加
$sigma += $b * $w;
}
//计算序号
$sNumber = $sigma % 11;
//按照序号从校验码串中提取相应的字符。
$check_number = $ai[$sNumber];
if ($number{17} == $check_number) {
return true;
} else {
return false;
}
}
/**
* 获取实例
*/
public function GetInfoByIDCard(){
if (!self::$GetInfoByIDCard){
self::$GetInfoByIDCard = new GetInfoByIDCard();
}
return self::$GetInfoByIDCard;
}
}