<?php
declare (strict_types=1);
namespace library\utils;
// +----------------------------------------------------------------------
// | [ WE CAN DO IT MORE SIMPLE ]
// +----------------------------------------------------------------------
// | Copyright (c) 2018-2020 rights reserved.
// +----------------------------------------------------------------------
// | Author: TABLE ME
// +----------------------------------------------------------------------
// | Date: 2021/3/16 上午9:01
// +----------------------------------------------------------------------
class IdentityCard
{
/**
* 校验身份证号是否合法
* @param string $num 待校验的身份证号
* @return bool
*/
public static function isValid(string $num)
{
//老身份证长度15位，新身份证长度18位
$length = strlen($num);
if ($length == 15) { //如果是15位身份证
//15位身份证没有字母
if (!is_numeric($num)) {
return false;
}
// 省市县（6位）
$areaNum = substr($num, 0, 6);
// 出生年月（6位）
$dateNum = substr($num, 6, 6);
} else if ($length == 18) { //如果是18位身份证
//基本格式校验
if (!preg_match('/^\d{17}[0-9xX]$/', $num)) {
return false;
}
// 省市县（6位）
$areaNum = substr($num, 0, 6);
// 出生年月日（8位）
$dateNum = substr($num, 6, 8);
} else { //假身份证
return false;
}
//验证地区
if (!self::isAreaCodeValid($areaNum)) {
return false;
}
//验证日期
if (!self::isDateValid($dateNum)) {
return false;
}
//验证最后一位
if (!self::isVerifyCodeValid($num)) {
return false;
}
return true;
}
/**
* 省市自治区校验
* @param string $area 省、直辖市代码
* @return bool
*/
private static function isAreaCodeValid(string $area)
{
$provinceCode = substr($area, 0, 2);
// 根据GB/T2260—999，省市代码11到65
if (11 <= $provinceCode && $provinceCode <= 65) {
return true;
} else {
return false;
}
}
/**
* 验证出生日期合法性
* @param string $date 日期
* @return bool
*/
private static function isDateValid(string $date)
{
if (strlen($date) == 6) { //15位身份证号没有年份，这里拼上年份
$date = '19' . $date;
}
$year = intval(substr($date, 0, 4));
$month = intval(substr($date, 4, 2));
$day = intval(substr($date, 6, 2));
//日期基本格式校验
if (!checkdate($month, $day, $year)) {
return false;
}
//日期格式正确，但是逻辑存在问题(如:年份大于当前年)
$currYear = date('Y');
if ($year > $currYear) {
return false;
}
return true;
}
/**
* 验证18位身份证最后一位
* @param string $num 待校验的身份证号
* @return bool
*/
private static function isVerifyCodeValid(string $num)
{
if (strlen($num) == 18) {
$factor = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2];
$tokens = ['1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2'];
$checkSum = 0;
for ($i = 0; $i < 17; $i++) {
$checkSum += intval($num[$i]) * $factor[$i];
}
$mod = $checkSum % 11;
$token = $tokens[$mod];
$lastChar = strtoupper($num[17]);
if ($lastChar != $token) {
return false;
}
}
return true;
}
/**
* 根据身份证号码获取性别
* author:xiaochuan
* @param string $idcard 身份证号码
* @return int $sex 性别 1男 2女 0未知
*/
public static function get_sex($idcard) {
if(empty($idcard)) return null;
$sexint = (int) substr($idcard, 16, 1);
return $sexint % 2 === 0 ? '女' : '男';
}
/**
* 根据身份证号码获取生日
* author:xiaochuan
* @param string $idcard 身份证号码
* @return $birthday
*/
public static function get_birthday($idcard) {
if(empty($idcard)) return null;
$bir = substr($idcard, 6, 8);
$year = (int) substr($bir, 0, 4);
$month = (int) substr($bir, 4, 2);
$day = (int) substr($bir, 6, 2);
return $year . "-" . $month . "-" . $day;
}
/**
* 根据身份证号码计算年龄
* author:xiaochuan
* @param string $idcard 身份证号码
* @return int $age
*/
public static function get_age($idcard){
if(empty($idcard)) return null;
# 获得出生年月日的时间戳
$date = strtotime(substr($idcard,6,8));
# 获得今日的时间戳
$today = strtotime('today');
# 得到两个日期相差的大体年数
$diff = floor(($today-$date)/86400/365);
# strtotime加上这个年数后得到那日的时间戳后与今日的时间戳相比
$age = strtotime(substr($idcard,6,8).' +'.$diff.'years')>$today?($diff+1):$diff;
return $age;
}
/**
* 根据身份证号码获取出身地址
* author:xiaochuan
* @param string $idcard 身份证号码
* @return string $address
*/
public static function get_address($idcard, $type=1){
if(empty($idcard)) return null;
$address = include('./address.php');
switch ($type) {
case 1:
# 截取前六位数(获取基体到县区的地址)
$key = substr($idcard,0,6);
if(!empty($address[$key])) return $address[$key];
# 截取前两位数(没有基体到县区的地址就获取省份)
$key = substr($idcard,0,2);
if(!empty($address[$key])) return $address[$key];
# 都没有
return '未知地址';
break;
case 2:
# 截取前两位数(只获取省份)
$key = substr($idcard,0,2);
if(!empty($address[$key])) return $address[$key];
break;
default:
return null;
break;
}
}
/**
* 根据身份证号，返回对应的生肖
* author:xiaochuan
* @param string $idcard 身份证号码
*/
public static function get_zodiac($idcard){ //
if(empty($idcard)) return null;
$start = 1901;
$end = (int)substr($idcard, 6, 4);
$x = ($start - $end) % 12;
$val = '';
if ($x == 1 || $x == -11) $val = '鼠';
if ($x == 0) $val = '牛';
if ($x == 11 || $x == -1) $val = '虎';
if ($x == 10 || $x == -2) $val = '兔';
if ($x == 9 || $x == -3) $val = '龙';
if ($x == 8 || $x == -4) $val = '蛇';
if ($x == 7 || $x == -5) $val = '马';
if ($x == 6 || $x == -6) $val = '羊';
if ($x == 5 || $x == -7) $val = '猴';
if ($x == 4 || $x == -8) $val = '鸡';
if ($x == 3 || $x == -9) $val = '狗';
if ($x == 2 || $x == -10) $val = '猪';
return $val;
}
/**
* 根据身份证号，返回对应的星座
* author:xiaochuan
* @param string $idcard 身份证号码
*/
public static function get_starsign($idcard){
if(empty($idcard)) return null;
$b = substr($idcard, 10, 4);
$m = (int)substr($b, 0, 2);
$d = (int)substr($b, 2);
$val = '';
if(($m == 1 && $d <= 21) || ($m == 2 && $d <= 19)){
$val = "水瓶座";
}else if (($m == 2 && $d > 20) || ($m == 3 && $d <= 20)){
$val = "双鱼座";
}else if (($m == 3 && $d > 20) || ($m == 4 && $d <= 20)){
$val = "白羊座";
}else if (($m == 4 && $d > 20) || ($m == 5 && $d <= 21)){
$val = "金牛座";
}else if (($m == 5 && $d > 21) || ($m == 6 && $d <= 21)){
$val = "双子座";
}else if (($m == 6 && $d > 21) || ($m == 7 && $d <= 22)){
$val = "巨蟹座";
}else if (($m == 7 && $d > 22) || ($m == 8 && $d <= 23)){
$val = "狮子座";
}else if (($m == 8 && $d > 23) || ($m == 9 && $d <= 23)){
$val = "处女座";
}else if (($m == 9 && $d > 23) || ($m == 10 && $d <= 23)){
$val = "天秤座";
}else if (($m == 10 && $d > 23) || ($m == 11 && $d <= 22)){
$val = "天蝎座";
}else if (($m == 11 && $d > 22) || ($m == 12 && $d <= 21)){
$val = "射手座";
}else if (($m == 12 && $d > 21) || ($m == 1 && $d <= 20)){
$val = "魔羯座";
}
return $val;
}
}