PHP判断是否是身份证号，通过身份证号码识别性别、生日、计算年龄、识别地址、判断生肖、星座

## PHP判断是否是身份证号 /** * 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 '是正确的身份证'; } else { return '错误的身份证'; } } ## PHP根据身份证号码获取性别 /** * 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 ? '女' : '男'; } ## PHP根据身份证号码获取生日 /** * 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; } ## PHP根据身份证号码计算年龄 /** * 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; } ## PHP根据身份证号码获取出身地址 /** * 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; $address = include('./address.php'); switch ($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 '未知地址'; 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; } } ## PHP根据身份证号返回对应的生肖 /** * 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; } ## PHP根据身份证号返回对应的星座 /** * 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)){ $val = "水瓶座"; }else if (($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; }

## PHP判断是否是身份证号 /** * 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 '是正确的身份证'; } else { return '错误的身份证'; } } ## PHP根据身份证号码获取性别 /** * 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 ? '女' : '男'; } ## PHP根据身份证号码获取生日 /** * 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; } ## PHP根据身份证号码计算年龄 /** * 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; } ## PHP根据身份证号码获取出身地址 /** * 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; $address = include('./address.php'); switch ($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 '未知地址'; 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; } } ## PHP根据身份证号返回对应的生肖 /** * 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; } ## PHP根据身份证号返回对应的星座 /** * 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)){ $val = "水瓶座"; }else if (($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; }