php 验证身份证格式

php身份证验证相关类:
验证身份证是否符合格式,返回对应的星座, 根据身份证号,返回对应的生肖。
 
代码:
<?php

class IdcardAction{
// PHP根据身份证号,自动获取对应的星座函数
function get_constellation($cid) { // 根据身份证号,自动返回对应的星座
if (!$this->isIdCard($cid)) return '';
$bir = substr($cid,10,4);
$month = (int)substr($bir,0,2);
$day = (int)substr($bir,2);
$strValue = '';
if (($month == 1 && $day >= 20) || ($month == 2 && $day <= 18)) {
$strValue = "水瓶座";
} else if (($month == 2 && $day >= 19) || ($month == 3 && $day <= 20)) {
$strValue = "双鱼座";
} else if (($month == 3 && $day > 20) || ($month == 4 && $day <= 19)) {
$strValue = "白羊座";
} else if (($month == 4 && $day >= 20) || ($month == 5 && $day <= 20)) {
$strValue = "金牛座";
} else if (($month == 5 && $day >= 21) || ($month == 6 && $day <= 21)) {
$strValue = "双子座";
} else if (($month == 6 && $day > 21) || ($month == 7 && $day <= 22)) {
$strValue = "巨蟹座";
} else if (($month == 7 && $day > 22) || ($month == 8 && $day <= 22)) {
$strValue = "狮子座";
} else if (($month == 8 && $day >= 23) || ($month == 9 && $day <= 22)) {
$strValue = "处女座";
} else if (($month == 9 && $day >= 23) || ($month == 10 && $day <= 23)) {
$strValue = "天秤座";
} else if (($month == 10 && $day > 23) || ($month == 11 && $day <= 22)) {
$strValue = "天蝎座";
} else if (($month == 11 && $day > 22) || ($month == 12 && $day <= 21)) {
$strValue = "射手座";
} else if (($month == 12 && $day > 21) || ($month == 1 && $day <= 19)) {
$strValue = "魔羯座";
}
return $strValue;

}
function get_zodiac($cid) { //根据身份证号,自动返回对应的生肖
if (!$this->isIdCard($cid)) return '';
$start = 1901;
$end = $end = (int)substr($cid,6,4);
$x = ($start - $end) % 12;
$value = "";
if ($x == 1 || $x == -11) {$value = "鼠";}
if ($x == 0) { $value = "牛";}
if ($x == 11 || $x == -1) {$value = "虎";}
if ($x == 10 || $x == -2) {$value = "兔";}
if ($x == 9 || $x == -3) {$value = "龙";}
if ($x == 8 || $x == -4) {$value = "蛇";}
if ($x == 7 || $x == -5) {$value = "马";}
if ($x == 6 || $x == -6) {$value = "羊";}
if ($x == 5 || $x == -7) {$value = "猴";}
if ($x == 4 || $x == -8) {$value = "鸡";}
if ($x == 3 || $x == -9) {$value = "狗";}
if ($x == 2 || $x == -10) {$value = "猪";}
return $value;
}
function get_xingbie($cid) { //根据身份证号,自动返回性别
if (!$this->isIdCard($cid)) return '';
$sexint = (int)substr($cid,16,1);

return $sexint % 2 === 0 ? '女' : '男';
}

function check_adult($idcard){//判断是否成年
$year = substr($idcard,6,4);
$big18 = $year+18;
$nowyear = date("Y",time());
if($big18 <= $nowyear){
return true;
}else{
return false;
}
}

function getVerifyBit($idcard_base)
{
if(strlen($idcard_base) != 17)
{
return false;
}
//加权因子
$factor = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
//校验码对应值
$verify_number_list = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
$checksum = 0;
for ($i = 0; $i < strlen($idcard_base); $i++)
{
$checksum += substr($idcard_base, $i, 1) * $factor[$i];
}
$mod = $checksum % 11;
$verify_number = $verify_number_list[$mod];
return $verify_number;
}

function idcard_verify_number($idcard_base){
if (strlen($idcard_base) != 17){ return false; }
// 加权因子
$factor = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
// 校验码对应值
$verify_number_list = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
$checksum = 0;
for ($i = 0; $i < strlen($idcard_base); $i++){
$checksum += substr($idcard_base, $i, 1) * $factor[$i];
}

$mod = $checksum % 11;
$verify_number = $verify_number_list[$mod];

return $verify_number;
}




function idcard_15to18($idcard){//15到18转换
if (strlen($idcard) != 15){
return false;
}else{
// 如果身份证顺序码是996 997 998 999,这些是为百岁以上老人的特殊编码
if (array_search(substr($idcard, 12, 3), array('996', '997', '998', '999')) !== false){
$idcard = substr($idcard, 0, 6) . '18'. substr($idcard, 6, 9);
}else{
$idcard = substr($idcard, 0, 6) . '19'. substr($idcard, 6, 9);
}
}

$idcard = $idcard.$this->idcard_verify_number($idcard);
return $idcard;
}


function Check_Cardid($cardid)//判断身份证大是否正确。
{
$cardlen = strlen($cardid);
if($cardlen ==15)
{
$pattern = "/^[0-9]{15}$/"; //$pattern="/^d{15}$/";
$num = preg_match($pattern,$cardid);
}
elseif($cardlen ==18)
{
$pattern = "/^d{17}[0-9xX]$/";
$num=preg_match($pattern,$cardid);
}
else
{
return false;
}
return $num;
}

function ChkGB2312($str){//判断是否为中文
if(preg_match('/^[x7f-xff]+$/',$str)){
return true;
}else{
return false;
}
}

function isIdCard($number) { // 检查是否是身份证号
// 转化为大写,如出现x
$number = strtoupper($number);
//加权因子
$wi = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
//校验码串
$ai = array('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');
//按顺序循环处理前17位
$sigma = 0;
for ($i = 0;$i < 17;$i++) {
//提取前17位的其中一位,并将变量类型转为实数
$b = (int) $number{$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
$snumber = $sigma % 11;

//按照序号从校验码串中提取相应的字符。
$check_number = $ai[$snumber];

if ($number{17} == $check_number) {
return true;
} else {
return false;
}
}

}
$idCard = new IdcardAction();
var_dump($idCard->isIdCard('身份证号')); //判断是否符合格式
var_dump($idCard->get_constellation('身份证号')); //返回星座
var_dump($idCard->get_zodiac('身份证号')); //返回生肖
var_dump($idCard->check_adult('身份证号')); //判断是否成年

?>

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