/*** 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 ? 2 : 1;}/*** 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('today');# 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($idcard, 6, 8).' +'.$diff.'years')>$today?($diff+1):$diff;return $age;}/*** 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('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2');# 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 true;} else {return false;}}/*** 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 = '';if ($x == 1 || $x == -11) {$val = '鼠';}if ($x == 0) {$val = '牛';}if ($x == 11 || $x == -1) {$val = '虎';}if ($x == 10 || $x == -2) {$val = '兔';}if ($x == 9 || $x == -3) {$val = '龙';}if ($x == 8 || $x == -4) {$val = '蛇';}if ($x == 7 || $x == -5) {$val = '马';}if ($x == 6 || $x == -6) {$val = '羊';}if ($x == 5 || $x == -7) {$val = '猴';}if ($x == 4 || $x == -8) {$val = '鸡';}if ($x == 3 || $x == -9) {$val = '狗';}if ($x == 2 || $x == -10) {$val = '猪';}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 = '';if (($m == 1 && $d <= 21) || ($m == 2 && $d <= 19)) {$val = "水瓶座";} elseif (($m == 2 && $d > 20) || ($m == 3 && $d <= 20)) {$val = "双鱼座";} elseif (($m == 3 && $d > 20) || ($m == 4 && $d <= 20)) {$val = "白羊座";} elseif (($m == 4 && $d > 20) || ($m == 5 && $d <= 21)) {$val = "金牛座";} elseif (($m == 5 && $d > 21) || ($m == 6 && $d <= 21)) {$val = "双子座";} elseif (($m == 6 && $d > 21) || ($m == 7 && $d <= 22)) {$val = "巨蟹座";} elseif (($m == 7 && $d > 22) || ($m == 8 && $d <= 23)) {$val = "狮子座";} elseif (($m == 8 && $d > 23) || ($m == 9 && $d <= 23)) {$val = "处女座";} elseif (($m == 9 && $d > 23) || ($m == 10 && $d <= 23)) {$val = "天秤座";} elseif (($m == 10 && $d > 23) || ($m == 11 && $d <= 22)) {$val = "天蝎座";} elseif (($m == 11 && $d > 22) || ($m == 12 && $d <= 21)) {$val = "射手座";} elseif (($m == 12 && $d > 21) || ($m == 1 && $d <= 20)) {$val = "魔羯座";}return $val;}
