PHP的身份证号码工具类翻译的那个Java的

时间:2014-07-12 15:11来源:网络整理作者:网络点击: 次

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PHP的身份证号码工具类翻译的那个Java的实现从15位~18位的身份证号码转换，校验中国大陆居民身份证、香港居民身份证、澳门身份证和台湾身份证。[代码片段(319行)]

实现从15位~18位的身份证号码转换，校验中国大陆居民身份证、香港居民身份证、澳门身份证和台湾身份证。

<?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' );

    /**
     * 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;
        }
        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;
    }

    /**
     * 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;
    }
}
//该片段来自于http://outofmemory.cn