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php如何验证身份证号码？企业网站建设过程中，有可能会遇到验证用户身份证号码
[php]
<?php
/**
* 身份证工具类
*/
class Utils_Idcard {
/**
* 中国公民身份证号码最小长度。
*/
const CHINA_ID_MIN_LENGTH = 15;
/**
* 中国公民身份证号码最大长度。
*/
const CHINA_ID_MAX_LENGTH = 18;
/**
* 最低年限
*/
const MIN = 1930;
/**
* 省、直辖市代码表
*/
public static $cityCode = array ("11","12","13","14","15","21","22","23","31","32","33","34","35","36","37","41","42","43","44","45","46","50","51","52","53","54","61","62","63","64","65","71","81","82","91" );
/**
* 每位加权因子
*/
public static $power = array (7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2 );
/**
* 第18位校检码
*/
public static $verifyCode = array ("1","0","X","9","8","7","6","5","4","3","2" );
/**
* 国内身份证校验
*/
public static $cityCodes = 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’,’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’,’63’ => ‘青海’,’64’ => ‘宁夏’,’65’ => ‘新疆’,’71’ => ‘台湾’,’81’ => ‘香港’,
’82’ => ‘澳门’,’91’ => ‘国外’ );
/**
* 台湾身份证校验
*
* @var array
*/
public static $twFirstCode = array (‘A’ => 10,’B’ => 11,’C’ => 12,’D’ => 13,’E’ => 14,’F’ => 15,’G’ => 16,’H’ => 17,’J’ => 18,’K’ => 19,’L’ => 20,’M’ => 21,’N’ => 22,’P’ => 23,’Q’ => 24,’R’ => 25,’S’ => 26,’T’ => 27,’U’ => 28,’V’ => 29,’X’ => 30,’Y’ => 31,’W’ => 32,’Z’ => 33,’I’ => 34,’O’ => 35 );
/**
* 香港身份证校验
*/
public static $hkFirstCode = array (‘A’ => 1,’B’ => 2,’C’ => 3,’R’ => 18,’U’ => 21,’Z’ => 26,’X’ => 24,’W’ => 23,’O’ => 15,’N’ => 14 );
/**
* 将15位身份证号码转换为18位
*
* @param idCard 15位身份编码
* @return 18位身份编码
*/
public static function conver15CardTo18($idCard) {
$idCard18 = "";
if (strlen ( $idCard ) != self::CHINA_ID_MIN_LENGTH) {
return null;
}
if (self::isNum ( $idCard )) {
// 获取出生年月日
$sYear = ’19’ . substr ( $idCard, 6, 2 );
$idCard18 = substr ( $idCard, 0, 6 ) . $sYear . substr ( $idCard, 8 );
// 转换字符数组
$iArr = str_split ( $idCard18 );
if ($iArr != null) {
$iSum17 = self::getPowerSum ( $iArr );
// 获取校验位
$sVal = self::getCheckCode18 ( $iSum17 );
if (strlen ( $sVal ) > 0) {
$idCard18 .= $sVal;
} else {
return null;
}
}
} else {
return null;
}
return $idCard18;
}
/**
* 验证身份证是否合法
*/
public static function validateCard($idCard) {
$card = trim ( $idCard );
if (self::validateIdCard18 ( $card )) {
return true;
}
if (self::validateIdCard15 ( $card )) {
return true;
}
$cardval = self::validateIdCard10 ( $card );
if ($cardval != null) {
if ($cardval [2] == "true") {
return true;
}
}
return false;
}
/**
* 验证18位身份编码是否合法
*
* @param int $idCard 身份编码
* @return boolean 是否合法
*/
public static function validateIdCard18($idCard) {
$bTrue = false;
if (strlen ( $idCard ) == self::CHINA_ID_MAX_LENGTH) {
// 前17位
$code17 = substr ( $idCard, 0, 17 );
// 第18位
$code18 = substr ( $idCard, 17, 1 );
if (self::isNum ( $code17 )) {
$iArr = str_split ( $code17 );
if ($iArr != null) {
$iSum17 = self::getPowerSum ( $iArr );
// 获取校验位
$val = self::getCheckCode18 ( $iSum17 );
if (strlen ( $val ) > 0 && $val == $code18) {
$bTrue = true;
}
}
}
}
return $bTrue;
}
/**
* 验证15位身份编码是否合法
*
* @param string $idCard 身份编码
* @return boolean 是否合法
*/
public static function validateIdCard15($idCard) {
if (strlen ( $idCard ) != self::CHINA_ID_MIN_LENGTH) {
return false;
}
if (self::isNum ( $idCard )) {
$proCode = substr ( $idCard, 0, 2 );
if (! isset ( self::$cityCodes [$proCode] )) {
return false;
}
// 升到18位
$idCard = self::conver15CardTo18 ( $idCard );
return self::validateIdCard18 ( $idCard );
} else {
return false;
}
return true;
}
/**
* 验证10位身份编码是否合法
*
* @param idCard 身份编码
* @return 身份证信息数组 <p>
* [0] – 台湾、澳门、香港 [1] – 性别(男M,女F,未知N) [2] – 是否合法(合法true,不合法false)
* 若不是身份证件号码则返回null
* </p>
*/
public static function validateIdCard10($idCard) {
$info = array ();
$card = str_replace ( "[\(|\)]", "", $card );
$len = strlen ( $card );
if ($len != 8 && $len != 9 && $len != 10) {
return null;
}
if (0 < preg_match ( "/^[a-zA-Z][0-9]{9}$/", $idCard )) { // 台湾
$info [0] = "台湾";
$char2 = substr ( $idCard, 1, 1 );
if ($char2 == "1") {
$info [1] = "M";
} else if ($char2 == "2") {
$info [1] = "F";
} else {
$info [1] = "N";
$info [2] = "false";
return $info;
}
$info [2] = self::validateTWCard ( $idCard ) ? "true" : "false";
} else if (0 < preg_match ( "/^[1|5|7][0-9]{6}\(?[0-9A-Z]\)?$/", $idCard )) { // 澳门
$info [0] = "澳门";
$info [1] = "N";
// TODO
} else if (0 < preg_match ( "/^[A-Z]{1,2}[0-9]{6}\(?[0-9A]\)?$/", $idCard )) { // 香港
$info [0] = "香港";
$info [1] = "N";
$info [2] = self::validateHKCard ( $idCard ) ? "true" : "false";
} else {
return null;
}
return info;
}
/**
* 验证台湾身份证号码
*
* @param string idCard 身份证号码
* @return 验证码是否符合
*/
public static function validateTWCard($idCard) {
$start = substr ( $idCard, 0, 1 );
$mid = substr ( $idCard, 1, 8 );
$end = substr ( $idCard, 9, 1 );
$iStart = self::$twFirstCode [‘start’];
$sum = $iStart / 10 + ($iStart % 10) * 9;
$chars = str_split ( $mid );
$iflag = 8;
foreach ( $chars as $c ) {
$sum = $sum + $c + "" * $iflag;
$iflag –;
}
return ($sum % 10 == 0 ? 0 : (10 – $sum % 10)) == $end ? true : false;
}
/**
* 验证香港身份证号码(存在Bug，部份特殊身份证无法检查)
* <p>
* 身份证前2位为英文字符，如果只出现一个英文字符则表示第一位是空格，对应数字58 前2位英文字符A-Z分别对应数字10-35
* 最后一位校验码为0-9的数字加上字符"A"，"A"代表10
* </p>
* <p>
* 将身份证号码全部转换为数字，分别对应乘9-1相加的总和，整除11则证件号码有效
* </p>
*
* @param idCard 身份证号码
* @return 验证码是否符合
*/
public static function validateHKCard($idCard) {
$card = str_replace ( "[\(|\)]", "", $card );
$sum = 0;
if (strlen ( $card ) == 9) {
$card0_arr = str_split ( strtoupper ( substr ( $card, 0, 1 ) ) );
$card1_arr = str_split ( strtoupper ( substr ( $card, 1, 1 ) ) );
$sum = ($card0_arr [0] – 55) * 9 . ($card1_arr [0] – 55) * 8;
$card = substr ( $card, 1, 8 );
} else {
$card0_arr = str_split ( strtoupper ( substr ( $card, 0, 1 ) ) );
$sum = 522 + ($card0_arr [0] – 55) * 8;
}
$mid = substr ( $card, 1, 6 );
$end = substr ( $card, 7, 1 );
$chars = str_split ( $mid );
$iflag = 7;
foreach ( $chars as $c ) {
$sum = $sum + $c + "" * $iflag;
$iflag –;
}
if (strtoupper ( $end ) == "A") {
$sum = $sum + 10;
} else {
$sum = $sum + $end;
}
return ($sum % 11 == 0) ? true : false;
}
/**
* 根据身份编号获取年龄
*
* @param string idCard 身份编号
* @return 年龄
*/
public static function getAgeByIdCard($idCard) {
$iAge = 0;
if (strlen ( $idCard ) == self::CHINA_ID_MIN_LENGTH) {
$idCard = self::conver15CardTo18 ( $idCard );
}
$year = substr ( $idCard, 6, 4 );
$iCurrYear = date ( ‘Y’, time () );
$iAge = $iCurrYear – $year;
return $iAge;
}
/**
* 根据身份编号获取生日天
*
* @param string $idCard 身份编号
* @return NULL string
*/
public static function getDateByIdCard($idCard) {
$len = strlen ( $idCard );
if ($len < self::CHINA_ID_MIN_LENGTH) {
return null;
} else if ($len == CHINA_ID_MIN_LENGTH) {
$idCard = self::conver15CardTo18 ( $idCard );
}
return substr ( $idCard, 12, 2 );
}
/**
* 根据身份编号获取性别
*
* @param string $idCard 身份编号
* @return 性别(M-男，F-女，N-未知)
*/
public static function getGenderByIdCard($idCard) {
$sGender = "N";
if (strlen ( $idCard ) == self::CHINA_ID_MIN_LENGTH) {
$idCard = self::conver15CardTo18 ( $idCard );
}
$sCardNum = substr ( $idCard, 16, 1 );
if (( int ) $sCardNum % 2 != 0) {
$sGender = "M";
} else {
$sGender = "F";
}
return $sGender;
}
/**
* 根据身份编号获取户籍省份
*
* @param string $idCard 身份编号
* @return string
*/
public static function getProvinceByIdCard($idCard) {
$len = strlen ( $idCard );
$sProvince = null;
$sProvinNum = "";
if ($len == self::CHINA_ID_MIN_LENGTH || $len == self::CHINA_ID_MAX_LENGTH) {
$sProvinNum = substr ( $idCard, 0, 2 );
}
$sProvince = self::$cityCodes [$sProvinNum];
return $sProvince;
}
/**
* 数字验证
*
* @param int $val
*/
public static function isNum($val) {
return $val == null || $val == "" ? false : 0 < preg_match ( ‘/^[0-9]*$/’, $val );
}
/**
* 验证小于当前日期 是否有效
*
* @param int $iYear 待验证日期(年)
* @param int $iMonth 待验证日期(月 1-12)
* @param int $iDate 待验证日期(日)
* @return 是否有效
*/
public static function valiDate($iYear, $iMonth, $iDate) {
$year = date ( ‘Y’, time () );
if ($iYear < self::MIN || $iYear >= $year) {
return false;
}
if ($iMonth < 1 || $iMonth > 12) {
return false;
}
switch ($iMonth) {
case 4 :
case 6 :
case 9 :
case 11 :
$datePerMonth = 30;
break;
case 2 :
$dm = (($iYear % 4 == 0 && $iYear % 100 != 0) || ($iYear % 400 == 0)) && ($iYear > self::MIN && $iYear < $year);
$datePerMonth = $dm ? 29 : 28;
break;
default :
$datePerMonth = 31;
}
return ($iDate >= 1) && ($iDate <= $datePerMonth);
}
/**
* 将身份证的每位和对应位的加权因子相乘之后，再得到和值
*
* @param array $iArr
* @return 身份证编码。
*/
private static function getPowerSum($iArr) {
$iSum = 0;
$power_len = count ( self::$power );
$iarr_len = count ( $iArr );
if ($power_len == $iarr_len) {
for($i = 0; $i < $iarr_len; $i ++) {
for($j = 0; $j < $power_len; $j ++) {
if ($i == $j) {
$iSum = $iSum + $iArr [$i] * self::$power [$j];
}
}
}
}
return $iSum;
}
/**
* 将power和值与11取模获得余数进行校验码判断
*
* @param int $iSum
* @return 校验位
*/
private static function getCheckCode18($iSum) {
$sCode = "";
switch ($iSum % 11) {
case 10 :
$sCode = "2";
break;
case 9 :
$sCode = "3";
break;
case 8 :
$sCode = "4";
break;
case 7 :
$sCode = "5";
break;
case 6 :
$sCode = "6";
break;
case 5 :
$sCode = "7";
break;
case 4 :
$sCode = "8";
break;
case 3 :
$sCode = "9";
break;
case 2 :
$sCode = "x";
break;
case 1 :
$sCode = "0";
break;
case 0 :
$sCode = "1";
break;
}
return $sCode;
}
}
[/php]
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