PHP obtains gender, birthday, age calculation and other information based on ID card number

PHP According to the ID number, get the gender, get the birthday, calculate the age, get the address, get the zodiac, get the constellation, and determine whether it is the ID number

Method tutorial:

1. PHP obtains the gender based on the ID number.

2. PHP gets the birthday based on the ID number.

3. PHP calculates age based on ID number.

4. PHP obtains the address based on the ID number.

5. PHP determines whether the string is an ID number.

6. PHP obtains the zodiac sign based on the ID number.

7. PHP obtains the zodiac sign based on the ID number.

<?php
 
/**
 *  根据身份证号码获取性别
 *  author:xiaochuan
 *  @param string $idcard    身份证号码
 *  @return int $sex 性别 1男 2女 0未知
 */
function get_sex($idcard) {
    if(empty($idcard)) return null; 
    $sexint = (int) substr($idcard, 16, 1);
    return $sexint % 2 === 0 ? &#39;女&#39; : &#39;男&#39;;
}
 
/**
 *  根据身份证号码获取生日
 *  author:xiaochuan
 *  @param string $idcard    身份证号码
 *  @return $birthday
 */
function get_birthday($idcard) {
    if(empty($idcard)) return null; 
    $bir = substr($idcard, 6, 8);
    $year = (int) substr($bir, 0, 4);
    $month = (int) substr($bir, 4, 2);
    $day = (int) substr($bir, 6, 2);
    return $year . "-" . $month . "-" . $day;
}
 
/**
 *  根据身份证号码计算年龄
 *  author:xiaochuan
 *  @param string $idcard    身份证号码
 *  @return int $age
 */
function get_age($idcard){  
    if(empty($idcard)) return null; 
    #  获得出生年月日的时间戳 
    $date = strtotime(substr($idcard,6,8));
    #  获得今日的时间戳 
    $today = strtotime(&#39;today&#39;);
    #  得到两个日期相差的大体年数 
    $diff = floor(($today-$date)/86400/365);
    #  strtotime加上这个年数后得到那日的时间戳后与今日的时间戳相比 
    $age = strtotime(substr($idcard,6,8).&#39; +&#39;.$diff.&#39;years&#39;)>$today?($diff+1):$diff; 
    return $age; 
} 
 
/**
 *  根据身份证号码获取出身地址
 *  author:xiaochuan
 *  @param string $idcard    身份证号码
 *  @return string $address
 */
function get_address($idcard, $type=1){
    if(empty($idcard)) return null;
    $address = include(&#39;./address.php&#39;);
    switch ($type) {
        case 1:
                # 截取前六位数(获取基体到县区的地址)
                $key = substr($idcard,0,6);
                if(!empty($address[$key])) return $address[$key];
                # 截取前两位数(没有基体到县区的地址就获取省份)
                $key = substr($idcard,0,2); 
                if(!empty($address[$key])) return $address[$key];
                # 都没有
                return &#39;未知地址&#39;;
            break;
        case 2:
                # 截取前两位数(只获取省份)
                $key = substr($idcard,0,2); 
                if(!empty($address[$key])) return $address[$key];
            break;
        default:
                return null;
            break;
    }
}
 
/**
 *  判断字符串是否是身份证号
 *  author:xiaochuan
 *  @param string $idcard    身份证号码
 */
function isIdCard($idcard){
    #  转化为大写，如出现x
    $idcard = strtoupper($idcard);
    #  加权因子
    $wi = array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2);
    $ai = array(&#39;1&#39;, &#39;0&#39;, &#39;X&#39;, &#39;9&#39;, &#39;8&#39;, &#39;7&#39;, &#39;6&#39;, &#39;5&#39;, &#39;4&#39;, &#39;3&#39;, &#39;2&#39;);
    #  按顺序循环处理前17位
    $sigma = 0;
    #  提取前17位的其中一位，并将变量类型转为实数
    for ($i = 0; $i < 17; $i++) {
        $b = (int)$idcard{$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
    $sidcard = $sigma % 11;
    #  按照序号从校验码串中提取相应的字符。
    $check_idcard = $ai[$sidcard];
    if ($idcard{17} == $check_idcard) {
        return &#39;是正确的身份证&#39;;
    } else {
        return &#39;错误的身份证&#39;;
    }
}
 
/**
 *  根据身份证号，返回对应的生肖
 *  author:xiaochuan
 *  @param string $idcard    身份证号码
 */
function get_zodiac($idcard){ //
    if(empty($idcard)) return null;
    $start = 1901;
    $end = (int)substr($idcard, 6, 4);
    $x = ($start - $end) % 12;
    $val = &#39;&#39;;
    if ($x == 1 || $x == -11) $val = &#39;鼠&#39;;
    if ($x == 0)              $val = &#39;牛&#39;;
    if ($x == 11 || $x == -1) $val = &#39;虎&#39;;
    if ($x == 10 || $x == -2) $val = &#39;兔&#39;;
    if ($x == 9 || $x == -3)  $val = &#39;龙&#39;;
    if ($x == 8 || $x == -4)  $val = &#39;蛇&#39;;
    if ($x == 7 || $x == -5)  $val = &#39;马&#39;;
    if ($x == 6 || $x == -6)  $val = &#39;羊&#39;;
    if ($x == 5 || $x == -7)  $val = &#39;猴&#39;;
    if ($x == 4 || $x == -8)  $val = &#39;鸡&#39;;
    if ($x == 3 || $x == -9)  $val = &#39;狗&#39;;
    if ($x == 2 || $x == -10) $val = &#39;猪&#39;;
    return $val;
}
 
/**
 *  根据身份证号，返回对应的星座
 *  author:xiaochuan
 *  @param string $idcard    身份证号码
 */
function get_starsign($idcard){
    if(empty($idcard)) return null;
    $b = substr($idcard, 10, 4);
    $m = (int)substr($b, 0, 2);
    $d = (int)substr($b, 2);
    $val = &#39;&#39;;
    if(($m == 1 && $d <= 21) || ($m == 2 && $d <= 19)){
        $val = "水瓶座";
    }else if (($m == 2 && $d > 20) || ($m == 3 && $d <= 20)){
        $val = "双鱼座";
    }else if (($m == 3 && $d > 20) || ($m == 4 && $d <= 20)){
        $val = "白羊座";
    }else if (($m == 4 && $d > 20) || ($m == 5 && $d <= 21)){
        $val = "金牛座";
    }else if (($m == 5 && $d > 21) || ($m == 6 && $d <= 21)){
        $val = "双子座";
    }else if (($m == 6 && $d > 21) || ($m == 7 && $d <= 22)){
        $val = "巨蟹座";
    }else if (($m == 7 && $d > 22) || ($m == 8 && $d <= 23)){
        $val = "狮子座";
    }else if (($m == 8 && $d > 23) || ($m == 9 && $d <= 23)){
        $val = "处女座";
    }else if (($m == 9 && $d > 23) || ($m == 10 && $d <= 23)){
        $val = "天秤座";
    }else if (($m == 10 && $d > 23) || ($m == 11 && $d <= 22)){
        $val = "天蝎座";
    }else if (($m == 11 && $d > 22) || ($m == 12 && $d <= 21)){
        $val = "射手座";
    }else if (($m == 12 && $d > 21) || ($m == 1 && $d <= 20)){
        $val = "魔羯座";
    }
    return $val;
}
 
 
 
 
 
echo &#39;<br/>性别：&#39;.get_sex(&#39;身份证号码&#39;).&#39;<br/>&#39;;
echo &#39;<br/>生日：&#39;.get_birthday(&#39;身份证号码&#39;).&#39;<br/>&#39;;
echo &#39;<br/>年龄：&#39;.get_age(&#39;身份证号码&#39;).&#39;<br/>&#39;;
echo &#39;<br/>地址：&#39;.get_address(&#39;身份证号码&#39;).&#39;<br/>&#39;;
echo &#39;<br/>状态：&#39;.isIdCard(&#39;身份证号码&#39;).&#39;<br/>&#39;;
echo &#39;<br/>生肖：&#39;.get_zodiac(&#39;身份证号码&#39;).&#39;<br/>&#39;;
echo &#39;<br/>星座：&#39;.get_starsign(&#39;身份证号码&#39;).&#39;<br/>&#39;;
 
 
?>

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