PHP ID number tool class translation of that Java

<?php/** * ID Card Tools * * @author tongle Xu <xutongle@gmail.com> 2013-6-6 * @copyright Copyright (c) 2003-2103
	 tintsoft.com * @license http://www.php100.com * @version $Id $/class Utils_idcard {/** * Chinese citizen ID number minimum length.

	* * Const CHINA_ID_MIN_LENGTH = 15;
	 /** * China Citizen ID number maximum length.

	* * Const CHINA_ID_MAX_LENGTH = 18;

	/** * Minimum Age/Const min = 1930; /** * Province, the Central Municipality code table * * 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 ");

	/** * per-weighting factor/public static $power = Array (7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2);
	/** * 18th School Check code */public static $verifyCode = Array ("1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2");

	/** * Domestic ID CARD Verification * * public static $cityCodes = Array (' One ' => ' Beijing '); /** * Converts 15-bit ID number to 18-bit * * @param idcard 15-bit identity code * @return 18-bit identity code/public static function Conver15caRdTo18 ($idCard) {$idCard 18 = "";
		if (strlen ($idCard)!= self::china_id_min_length) {return null;
			if (Self::isnum ($idCard)) {//get Birth date $sYear = ' substr ' ($idCard, 6, 2); $idCard = substr ($idCard, 0, 6). $sYear.
			SUBSTR ($idCard, 8);
			Convert character Array $iArr = Str_split ($idCard 18);
				if ($IARR!= null) {$iSum = Self::getpowersum ($IARR);
				Get the check digit $sVal = self::getcheckcode18 ($iSum 17);
				if (strlen ($sVal) > 0) {$idCard. = $sVal;
				else {return null;
		}} else {return null;
	return $idCard 18;
		/** * Verify ID card is valid/public static function Validatecard ($idCard) {$card = Trim ($idCard);
		if (Self::validateidcard18 ($card)) {return true;
		} if (Self::validateidcard15 ($card)) {return true;
	return false; /** * Verify that the 18-bit identity code is valid * * @param int $idCard Identity Code * @return Boolean is legitimate/public static function Validateid Card18 ($idCard) {$bTrue = false;
			if (strlen ($idCard) = = Self::china_id_max_length) {//top 17 $code = substr ($idCard, 0, 17);
			18th $code = substr ($idCard, 17, 1);
				if (Self::isnum ($code)) {$IARR = Str_split ($code 17);
					if ($IARR!= null) {$iSum = Self::getpowersum ($IARR);
					Get the check digit $val = self::getcheckcode18 ($iSum 17);
					if (strlen ($val) > 0 && $val = = $code) {$bTrue = true;
	return $bTrue; /** * Verify that the 15-bit identity code is valid * * @param string $idCard Identity code * @return Boolean is legitimate/public static function Validat
		EIdCard15 ($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;
			}//Up to 18-digit $idCard = Self::conver15cardto18 ($idCard);
		Return Self::validateidcard18 ($idCard);
		else {return false; } return TRUe /** * Acquisition of age by identity number * * @param string Idcard ID * @return Age/public static function Getagebyidcard ($idCar
		D) {$iAge = 0;
		if (strlen ($idCard) = = self::china_id_min_length) {$idCard = Self::conver15cardto18 ($idCard);
		$year = substr ($idCard, 6, 4);
		$iCurrYear = Date (' Y ', Time ());
		$iAge = $iCurrYear-$year;
	return $iAge; /** * To obtain birthday * * * * @param string $idCard identity number * @return NULL string/public static function getdatebyi
		Dcard ($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); /** * Access to gender by identity number * * @param string $idCard identity number * @return sex (M-male, F-female, N-unknown)/public static function Getgen
		Derbyidcard ($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; /** * Access to the registered province based on identity number * * @param string $idCard Identity number * @return string/public static function getprovincebyi
		Dcard ($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; /** * Digital Verification * * @param int $val//public static function Isnum ($val) {return $val = = NULL $val = ""?
	false:0 < Preg_match ('/^[0-9]*$/', $val); /** * Validation is less than the current date is valid * * @param int $iYear to be verified date (year) * @param int $iMonth to be verified date (month 1-12) * @param int $iDate to be tested
		Certificate Date (DATE) * @return is valid/public static function ValiDate ($iYear, $iMonth, $iDate) {$year = date (' Y ', Time ()); if ($iYear < SELf::min $iYear >= $year) {return false;
		} if ($iMonth < 1 $iMonth >) {return false;
				Switch ($iMonth) {case 4:case 6:case 9:case: $datePerMonth = 30;
			Break  Case 2: $DM = (($iYear% 4 = 0 && $iYear%!= 0) ($iYear% = = 0)) && ($iYear > Self::min
				&& $iYear < $year); $datePerMonth = $DM?
				29:28;
			Break
		Default: $datePerMonth = 31;
	Return ($iDate >= 1) && ($iDate <= $datePerMonth);
	 /** * Multiplies each digit of the ID card and the weighted factor of the corresponding bit, and then obtains and the value * * @param array $IARR * @return ID card code.
		* * private static function Getpowersum ($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; }/** * Will POWer and values and 11 modulo obtain the remainder for the check code judgment * * @param int $iSum * @return Check bit/private static function GetCheckCode18 ($iSum) {$sC
		Ode = "";
				Switch ($iSum%) {case: $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; }
}