1、号码的结构 公民身份号码是特征组合码,由十七位数字本体码和一位校验码组成。排列顺序从左至右依次为:六位数字地址码,八位数字出生日期码,三位数字顺序码和一位数字校验码。
class IDValidator {
private static $GB2260;
private static $instance;
private static $cache = array();
private static $util;
function __construct() {
if (!class_exists("com\jdk5\blog\IDValidator\GB2260")){
include 'GB2260.php';
}
if (!class_exists("com\jdk5\blog\IDValidator\util")){
include 'util.php';
}
self::$GB2260 = GB2260::getGB2260 ();
self::$util = util::getInstance();
}
public static function getInstance() {
if (is_null ( self::$instance )) {
self::$instance = new IDValidator ();
}
return self::$instance;
}
function isValid($id) {
$code = self::$util->checkArg ( $id );
if ($code === false) {
return false;
}
// 查询cache
if (isset ( self::$cache [ $id ] ) && self::$cache [$id] ['valid'] !== false) {
return self::$cache [$id] ['valid'];
} else {
if (! isset ( self::$cache [ $id ] )) {
self::$cache [$id] = array ();
}
}
$addr = substr ( $code ['body'],6 );
$birth = $code ['type'] === 18 ? substr ( $code ['body'],6,8 ) :
substr ( $code ['body'],6 );
$order = substr ( $code ['body'],- 3 );
if (! (self::$util->checkAddr ( $addr ) && self::$util->checkBirth ( $birth ) &&
self::$util->checkOrder ( $order ))) {
self::$cache [$id] ['valid'] = false;
return false;
}
// 15位不含校验码,到此已结束
if ($code ['type'] === 15) {
self::$cache [$id] ['valid'] = true;
return true;
}
/ 校验位部分 /
// 位置加权
$posWeight = array ();
for($i = 18; $i > 1; $i --) {
$wei = self::$util->weight ( $i );
$posWeight [$i] = $wei;
}
// 累加body部分与位置加权的积
$bodySum = 0;
$bodyArr = str_split( $code ['body'] );
for($j = 0; $j < count ( $bodyArr ); $j ++) {
$bodySum += (intval ( $bodyArr [$j],10 ) * $posWeight [18 - $j]);
}
// 得出校验码
$checkBit = 12 - ($bodySum % 11);
if ($checkBit == 10) {
$checkBit = 'X';
} else if ($checkBit > 10) {
$checkBit = $checkBit % 11;
}
// 检查校验码
if ($checkBit != $code ['checkBit']) {
self::$cache [$id] ['valid'] = false;
return false;
} else {
self::$cache [$id] ['valid'] = true;
return true;
}
}
// 分析详细信息
function getInfo ($id) {
// 号码必须有效
if ($this->isValid($id) === false) {
return false;
}
// TODO 复用此部分
$code = self::$util->checkArg($id);
// 查询cache
// 到此时通过isValid已经有了cache记录
if (isset(self::$cache[$id]) && isset(self::$cache[$id]['info'])) {
return self::$cache[$id]['info'];
}
$addr = substr($code['body'],6);
$birth = ($code['type'] === 18 ? substr($code['body'],8) :
substr($code['body'],6));
$order = substr($code['body'],-3);
$info = array();
$info['addrCode'] = $addr;
if (self::$GB2260 !== null) {
$info['addr'] = self::$util->getAddrInfo($addr);
}
$info ['birth'] = ($code ['type'] === 18 ? (substr ( $birth,4 ) . '-' . substr ( $birth,4,2 ) . '-' . substr ( $birth,- 2 )) : ('19' . substr ( $birth,2,- 2 )));
$info['sex'] = ($order % 2 === 0 ? 0 : 1);
$info['length'] = $code['type'];
if ($code['type'] === 18) {
$info['checkBit'] = $code['checkBit'];
}
// 记录cache
self::$cache[$id]['info'] = $info;
return $info;
}
// 仿造一个号
function makeID ($isFifteen=false) {
// 地址码
$addr = null;
if (self::$GB2260 !== null) {
$loopCnt = 0;
while ($addr === null) {
// 防止死循环
if ($loopCnt > 50) {
$addr = 110101;
break;
}
$prov = self::$util->str_pad(self::$util->rand(66),'0');
$city = self::$util->str_pad(self::$util->rand(20),'0');
$area = self::$util->str_pad(self::$util->rand(20),'0');
$addrTest = $prov . $city . $area;
if (isset(self::$GB2260[$addrTest])) {
$addr = $addrTest;
break;
}
$loopCnt ++;
}
} else {
$addr = 110101;
}
// 出生年
$yr = self::$util->str_pad(self::$util->rand(99,50),'0');
$mo = self::$util->str_pad(self::$util->rand(12,1),'0');
$da = self::$util->str_pad(self::$util->rand(28,'0');
if ($isFifteen) {
return $addr . $yr . $mo . $da
. self::$util->str_pad(self::$util->rand(999,3,'1');
}
$yr = '19' . $yr;
$body = $addr . $yr . $mo . $da . self::$util->str_pad(self::$util->rand(999,'1');
// 位置加权
$posWeight = array();
for ($i = 18; $i > 1; $i--) {
$wei = self::$util->weight($i);
$posWeight[$i] = $wei;
}
// 累加body部分与位置加权的积
$bodySum = 0;
$bodyArr = str_split($body);
for ($j = 0; $j < count($bodyArr); $j++) {
$bodySum += (intval($bodyArr[$j],10) * $posWeight[18 - $j]);
}
// 得出校验码
$checkBit = 12 - ($bodySum % 11);
if ($checkBit == 10) {
$checkBit = 'X';
} else if ($checkBit > 10) {
$checkBit = $checkBit % 11;
}
return ($body . $checkBit);
}
}