//测试
public function test(){
$IDCard = $_GET['id'];
$result['error'] = 0;//0：未知错误，1：身份证格式错误，2：无错误
$result['isAdult'] = '';//0标示成年，1标示未成年
$result['birthday'] = '';//生日，格式如：2012-11-15
//省份数据
$city = array(
11 => "北京",
12 => "天津",
13 => "河北",
14 => "山西",
15 => "内蒙古",
21 => "辽宁",
22 => "吉林",
23 => "黑龙江",
31 => "上海",
32 => "江苏",
33 => "浙江",
34 => "安徽",
35 => "福建",
36 => "江西",
37 => "山东",
41 => "河南",
42 => "湖北",
43 => "湖南",
44 => "广东",
45 => "广西",
46 => "海南",
50 => "重庆",
51 => "四川",
52 => "贵州",
53 => "云南",
54 => "西藏 ",
61 => "陕西",
62 => "甘肃",
63 => "青海",
64 => "宁夏",
65 => "新疆",
71 => "台湾",
81 => "香港",
82 => "澳门",
91 => "国外",
);
// var_dump(!preg_match("/^[1-9]([0-9a-zA-Z]{17}|[0-9a-zA-Z]{14})$/i", $IDCard));die;
// var_dump((bool)preg_match("/^[1-9]\d{5}(19|20|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/", $IDCard) === false);die;
//验证格式是否正确
if((bool)preg_match("/^[1-9]\d{5}(19|20|([23]\d))\d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)\d{3}[0-9Xx]$/", $IDCard) === false){
$result['error'] = 1;
}else if( isset($city[intval(substr($IDCard, 0, 2))]) === false ){
//验证省份是否正确
$result['error'] = 1;
}else{
//判断当前身份证是几位数
if(strlen($IDCard) == 18){
//合法性验证
//转化为大写，如出现x
$idcard = strtoupper($IDCard);
//加权因子
$wi = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
$ai = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
//按顺序循环处理前17位
$sigma = 0;
//提取前17位的其中一位，并将变量类型转为实数
for ($i = 0; $i < 17; $i++) {
$b = (int)$idcard{$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
$sidcard = $sigma % 11;
//按照序号从校验码串中提取相应的字符。
$check_idcard = $ai[$sidcard];
if($idcard{17} != $check_idcard){
$result['error'] = 0;
}else{
//年份
$tyear = intval(substr( $IDCard,6,4));
//月份
$tmonth = intval(substr( $IDCard,10,2));
//日
$tday = intval(substr( $IDCard,12,2));
//判断年月日 再判断是否未成年
if( $tyear > date("Y") || $tyear < (date("Y") - 100)){
$result['error'] = 0;
}elseif($tmonth < 0 || $tmonth > 12){
$result['error'] = 0;
}elseif($tday < 0 || $tday > 31){
$result['error'] = 0;
}else{
//根据年月日判断是否成年
$tdate = $tyear."-".$tmonth."-".$tday." 00:00:00";
//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
$agee = strtotime(substr($IDCard,6,8).' +'.$diff.'years')>$today?($diff+1):$diff;
//当前时间减去年月日,获取查询的实际年龄的时间戳,如果大于18岁的时间戳则成年,小于则未成年
if((time() - mktime(0, 0, 0, $tmonth, $tday, $tyear)) > 18 * 365 * 24 * 60 * 60){
$flag = 0;
$result['error'] = 2;
$age = $agee;
}else{
$flag = 1;
$result['error'] = 2;
$age = $agee;
}
}
}
}elseif( strlen($IDCard) == 15){
$tyear = intval("19".substr( $IDCard, 6, 2));
$tmonth = intval(substr( $IDCard, 8, 2));
$tday = intval(substr( $IDCard, 10, 2));
if( $tyear > date("Y") || $tyear < ( date("Y") - 100) ){
$result['error'] = 0;
}elseif( $tmonth < 0 || $tmonth > 12){
$result['error'] = 0;
}elseif( $tday < 0 || $tday > 31){
$result['error'] = 0;
}else{
$tdate = $tyear."-".$tmonth."-".$tday." 00:00:00";
if((time() - mktime( 0, 0, 0, $tmonth, $tday, $tyear)) > 18 * 365 * 24 * 60 * 60){
$flag = 0;
$result['error'] = 2;
}else{
$flag = 1;
$result['error'] = 2;
}
}
}
}
if ($result['error'] == 2) {
$result['isAdult'] = $flag;//0标示成年，1标示未成年
$result['birthday'] = $tdate;//生日日期
$result['age'] = $age;
}else if ($result['error'] == 1) {
$result['error'] = '身份证格式错误';//0：未知错误，1：身份证格式错误，2：无错误
unset( $result['isAdult']);
unset( $result['birthday']);
}else if ($result['error'] == 0) {
$result['error'] = '请填写正确的身份证';//0：未知错误，1：身份证格式错误，2：无错误
unset( $result['isAdult']);
unset( $result['birthday']);
}
var_dump($result);die;
// return $result;
}
