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<?php namespace Zhuzhichao\IpLocationZh; |
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use Exception; |
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class Ip |
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{ |
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private static $ip = null; |
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private static $fp = null; |
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private static $offset = null; |
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private static $index = null; |
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private static $cached = array(); |
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public static function find($ip) |
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{ |
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if (empty( $ip ) === true) { |
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return 'N/A'; |
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} |
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$nip = gethostbyname($ip); |
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$ipdot = explode('.', $nip); |
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if ($ipdot[0] < 0 || $ipdot[0] > 255 || count($ipdot) !== 4) { |
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return 'N/A'; |
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} |
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if (isset( self::$cached[$nip] ) === true) { |
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return self::$cached[$nip]; |
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} |
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if (self::$fp === null) { |
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self::init(); |
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} |
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$nip2 = pack('N', ip2long($nip)); |
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$tmp_offset = (int) $ipdot[0] * 4; |
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$start = unpack('Vlen', |
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self::$index[$tmp_offset].self::$index[$tmp_offset + 1].self::$index[$tmp_offset + 2].self::$index[$tmp_offset + 3]); |
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$index_offset = $index_length = null; |
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$max_comp_len = self::$offset['len'] - 1024 - 4; |
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for ($start = $start['len'] * 8 + 1024; $start < $max_comp_len; $start += 8) { |
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if (self::$index{$start}.self::$index{$start + 1}.self::$index{$start + 2}.self::$index{$start + 3} >= $nip2) { |
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$index_offset = unpack('Vlen', |
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self::$index{$start + 4}.self::$index{$start + 5}.self::$index{$start + 6}."\x0"); |
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$index_length = unpack('Clen', self::$index{$start + 7}); |
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break; |
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} |
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} |
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if ($index_offset === null) { |
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return 'N/A'; |
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} |
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fseek(self::$fp, self::$offset['len'] + $index_offset['len'] - 1024); |
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$location = explode("\t", fread(self::$fp, $index_length['len'])); |
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$locationCode = self::getLocationCode($location); |
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$location[] = $locationCode; |
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self::$cached[$nip] = $location; |
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return self::$cached[$nip]; |
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} |
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private static function init() |
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{ |
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if (self::$fp === null) { |
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self::$ip = new self(); |
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self::$fp = fopen(__DIR__.'/17monipdb.dat', 'rb'); |
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if (self::$fp === false) { |
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throw new Exception('Invalid 17monipdb.dat file!'); |
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} |
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self::$offset = unpack('Nlen', fread(self::$fp, 4)); |
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if (self::$offset['len'] < 4) { |
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throw new Exception('Invalid 17monipdb.dat file!'); |
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} |
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self::$index = fread(self::$fp, self::$offset['len'] - 4); |
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} |
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} |
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private static function getLocationCode($arr) |
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{ |
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$province = $arr[1]; |
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$city = $arr[2]; |
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$locationCode = self::locations(); |
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$code = ""; |
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if ( ! isset($locationCode[$province])) { |
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return $code; |
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} |
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$code = $locationCode[$province]["code"]; |
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if ( ! empty($city)) { |
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foreach ($locationCode[$province]["city"] as $key => $loc) { |
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if (strpos($key, $city) !== false) { |
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$code = $loc; |
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break; |
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} |
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} |
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} |
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return $code; |
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} |
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public static function locations() |
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{ |
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$locationCode = []; |
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$locationCode["北京"] = [ |
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"code"=>"110000", |
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"city"=> [], |
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]; |
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$locationCode["天津"] = [ |
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"code"=>"120000", |
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"city"=> [], |
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]; |
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$locationCode["河北"] = [ |
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"code"=>"130000", |
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"city"=> ["石家庄市"=>"130100", "唐山市"=>"130200", "秦皇岛市"=>"130300", "邯郸市"=>"130400", "邢台市"=>"130500", "保定市"=>"130600", "张家口市"=>"130700", "承德市"=>"130800", "沧州市"=>"130900", "廊坊市"=>"131000", "衡水市"=>"131100"], |
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]; |
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$locationCode["山西"] = [ |
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"code"=>"140000", |
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"city"=> ["太原市"=>"140100", "大同市"=>"140200", "阳泉市"=>"140300", "长治市"=>"140400", "晋城市"=>"140500", "朔州市"=>"140600", "晋中市"=>"140700", "运城市"=>"140800", "忻州市"=>"140900", "临汾市"=>"141000", "吕梁市"=>"141100"], |
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]; |
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$locationCode["内蒙古"] =[ |
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"code"=>"150000", |
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"city"=> ["呼和浩特市"=>"150100", "包头市"=>"150200", "乌海市"=>"150300", "赤峰市"=>"150400", "通辽市"=>"150500", "鄂尔多斯市"=>"150600", "呼伦贝尔市"=>"150700", "巴彦淖尔市"=>"150800", "乌兰察布市"=>"150900", "兴安盟"=>"152200", "锡林郭勒盟"=>"152500", "阿拉善盟"=>"152900"], |
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]; |
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$locationCode["辽宁"] = [ |
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"code"=>"210000", |
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"city"=> ["沈阳市"=>"210100", "大连市"=>"210200", "鞍山市"=>"210300", "抚顺市"=>"210400", "本溪市"=>"210500", "丹东市"=>"210600", "锦州市"=>"210700", "营口市"=>"210800", "阜新市"=>"210900", "辽阳市"=>"211000", "盘锦市"=>"211100", "铁岭市"=>"211200", "朝阳市"=>"211300", "葫芦岛市"=>"211400"], |
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]; |
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$locationCode["吉林"] = [ |
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"code"=>"220000", |
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"city"=> ["长春市"=>"220100", "吉林市"=>"220200", "四平市"=>"220300", "辽源市"=>"220400", "通化市"=>"220500", "白山市"=>"220600", "松原市"=>"220700", "白城市"=>"220800", "延边朝鲜族自治州"=>"222400"], |
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]; |
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$locationCode["黑龙江"] =[ |
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"code"=>"230000", |
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"city"=> ["哈尔滨市"=>"230100", "齐齐哈尔市"=>"230200", "鸡西市"=>"230300", "鹤岗市"=>"230400", "双鸭山市"=>"230500", "大庆市"=>"230600", "伊春市"=>"230700", "佳木斯市"=>"230800", "七台河市"=>"230900", "牡丹江市"=>"231000", "黑河市"=>"231100", "绥化市"=>"231200", "大兴安岭地区"=>"232700"], |
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]; |
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$locationCode["上海"] = [ |
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"code"=>"310000", |
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"city"=> [], |
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]; |
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$locationCode["江苏"] = [ |
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"code"=>"320000", |
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"city"=> ["南京市"=>"320100", "无锡市"=>"320200", "徐州市"=>"320300", "常州市"=>"320400", "苏州市"=>"320500", "南通市"=>"320600", "连云港市"=>"320700", "淮安市"=>"320800", "盐城市"=>"320900", "扬州市"=>"321000", "镇江市"=>"321100", "泰州市"=>"321200", "宿迁市"=>"321300"], |
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]; |
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$locationCode["浙江"] = [ |
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"code"=>"330000", |
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"city"=> ["杭州市"=>"330100", "宁波市"=>"330200", "温州市"=>"330300", "嘉兴市"=>"330400", "湖州市"=>"330500", "绍兴市"=>"330600", "金华市"=>"330700", "衢州市"=>"330800", "舟山市"=>"330900", "台州市"=>"331000", "丽水市"=>"331100"], |
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]; |
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160
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$locationCode["安徽"] = [ |
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"code"=>"340000", |
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162
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"city"=> ["合肥市"=>"340100", "芜湖市"=>"340200", "蚌埠市"=>"340300", "淮南市"=>"340400", "马鞍山市"=>"340500", "淮北市"=>"340600", "铜陵市"=>"340700", "安庆市"=>"340800", "黄山市"=>"341000", "滁州市"=>"341100", "阜阳市"=>"341200", "宿州市"=>"341300", "巢湖市"=>"341400", "六安市"=>"341500", "亳州市"=>"341600", "池州市"=>"341700", "宣城市"=>"341800"], |
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]; |
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164
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$locationCode["福建"] = [ |
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165
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"code"=>"350000", |
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166
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"city"=> ["福州市"=>"350100", "厦门市"=>"350200", "莆田市"=>"350300", "三明市"=>"350400", "泉州市"=>"350500", "漳州市"=>"350600", "南平市"=>"350700", "龙岩市"=>"350800", "宁德市"=>"350900"], |
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167
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]; |
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168
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$locationCode["江西"] = [ |
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169
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"code"=>"360000", |
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170
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"city"=> ["南昌市"=>"360100", "景德镇市"=>"360200", "萍乡市"=>"360300", "九江市"=>"360400", "新余市"=>"360500", "鹰潭市"=>"360600", "赣州市"=>"360700", "吉安市"=>"360800", "宜春市"=>"360900", "抚州市"=>"361000", "上饶市"=>"361100"], |
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171
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]; |
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172
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$locationCode["山东"] = [ |
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173
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"code"=>"370000", |
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174
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"city"=> ["济南市"=>"370100", "青岛市"=>"370200", "淄博市"=>"370300", "枣庄市"=>"370400", "东营市"=>"370500", "烟台市"=>"370600", "潍坊市"=>"370700", "济宁市"=>"370800", "泰安市"=>"370900", "威海市"=>"371000", "日照市"=>"371100", "莱芜市"=>"371200", "临沂市"=>"371300", "德州市"=>"371400", "聊城市"=>"371500", "滨州市"=>"371600", "菏泽市"=>"371700"], |
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175
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]; |
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176
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$locationCode["河南"] = [ |
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177
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"code"=>"410000", |
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178
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"city"=> ["郑州市"=>"410100", "开封市"=>"410200", "洛阳市"=>"410300", "平顶山市"=>"410400", "安阳市"=>"410500", "鹤壁市"=>"410600", "新乡市"=>"410700", "焦作市"=>"410800", "濮阳市"=>"410900", "许昌市"=>"411000", "漯河市"=>"411100", "三门峡市"=>"411200", "南阳市"=>"411300", "商丘市"=>"411400", "信阳市"=>"411500", "周口市"=>"411600", "驻马店市"=>"411700", "济源市"=>"419001"], |
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179
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]; |
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180
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$locationCode["湖北"] = [ |
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181
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"code"=>"420000", |
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182
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"city"=> ["武汉市"=>"420100", "黄石市"=>"420200", "十堰市"=>"420300", "宜昌市"=>"420500", "襄樊市"=>"420600", "鄂州市"=>"420700", "荆门市"=>"420800", "孝感市"=>"420900", "荆州市"=>"421000", "黄冈市"=>"421100", "咸宁市"=>"421200", "随州市"=>"421300", "恩施土家族苗族自治州"=>"422800", "仙桃市"=>"429004", "潜江市"=>"429005", "天门市"=>"429006", "神农架林区"=>"429021"], |
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183
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]; |
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184
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$locationCode["湖南"] = [ |
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185
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"code"=>"430000", |
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186
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"city"=> ["长沙市"=>"430100", "株洲市"=>"430200", "湘潭市"=>"430300", "衡阳市"=>"430400", "邵阳市"=>"430500", "岳阳市"=>"430600", "常德市"=>"430700", "张家界市"=>"430800", "益阳市"=>"430900", "郴州市"=>"431000", "永州市"=>"431100", "怀化市"=>"431200", "娄底市"=>"431300", "湘西土家族苗族自治州"=>"433100"], |
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187
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]; |
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188
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$locationCode["广东"] = [ |
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189
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"code"=>"440000", |
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190
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"city"=> ["广州市"=>"440100", "韶关市"=>"440200", "深圳市"=>"440300", "珠海市"=>"440400", "汕头市"=>"440500", "佛山市"=>"440600", "江门市"=>"440700", "湛江市"=>"440800", "茂名市"=>"440900", "肇庆市"=>"441200", "惠州市"=>"441300", "梅州市"=>"441400", "汕尾市"=>"441500", "河源市"=>"441600", "阳江市"=>"441700", "清远市"=>"441800", "东莞市"=>"441900", "中山市"=>"442000", "潮州市"=>"445100", "揭阳市"=>"445200", "云浮市"=>"445300"], |
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191
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]; |
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192
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$locationCode["广西"] = [ |
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193
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"code"=>"450000", |
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194
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"city"=> ["南宁市"=>"450100", "柳州市"=>"450200", "桂林市"=>"450300", "梧州市"=>"450400", "北海市"=>"450500", "防城港市"=>"450600", "钦州市"=>"450700", "贵港市"=>"450800", "玉林市"=>"450900", "百色市"=>"451000", "贺州市"=>"451100", "河池市"=>"451200", "来宾市"=>"451300", "崇左市"=>"451400"], |
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195
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]; |
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196
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$locationCode["海南"] = [ |
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197
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"code"=>"460000", |
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198
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"city"=> ["海口市"=>"460100", "三亚市"=>"460200", "五指山市"=>"469001", "琼海市"=>"469002", "儋州市"=>"469003", "文昌市"=>"469005", "万宁市"=>"469006", "东方市"=>"469007", "定安县"=>"469021", "屯昌县"=>"469022", "澄迈县"=>"469023", "临高县"=>"469024", "白沙黎族自治县"=>"469025", "昌江黎族自治县"=>"469026", "乐东黎族自治县"=>"469027", "陵水黎族自治县"=>"469028", "保亭黎族苗族自治县"=>"469029", "琼中黎族苗族自治县"=>"469030", "西沙群岛"=>"469031", "南沙群岛"=>"469032", "中沙群岛的岛礁及其海域"=>"469033"], |
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199
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|
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]; |
|
200
|
|
|
$locationCode["重庆"] = [ |
|
201
|
|
|
"code"=>"500000", |
|
202
|
|
|
"city"=> [], |
|
203
|
|
|
]; |
|
204
|
|
|
$locationCode["四川"] = [ |
|
205
|
|
|
"code"=>"510000", |
|
206
|
|
|
"city"=> ["成都市"=>"510100", "自贡市"=>"510300", "攀枝花市"=>"510400", "泸州市"=>"510500", "德阳市"=>"510600", "绵阳市"=>"510700", "广元市"=>"510800", "遂宁市"=>"510900", "内江市"=>"511000", "乐山市"=>"511100", "南充市"=>"511300", "眉山市"=>"511400", "宜宾市"=>"511500", "广安市"=>"511600", "达州市"=>"511700", "雅安市"=>"511800", "巴中市"=>"511900", "资阳市"=>"512000", "阿坝藏族羌族自治州"=>"513200", "甘孜藏族自治州"=>"513300", "凉山彝族自治州"=>"513400"], |
|
207
|
|
|
]; |
|
208
|
|
|
$locationCode["贵州"] = [ |
|
209
|
|
|
"code"=>"520000", |
|
210
|
|
|
"city"=> ["贵阳市"=>"520100", "六盘水市"=>"520200", "遵义市"=>"520300", "安顺市"=>"520400", "铜仁地区"=>"522200", "黔西南布依族苗族自治州"=>"522300", "毕节地区"=>"522400", "黔东南苗族侗族自治州"=>"522600", "黔南布依族苗族自治州"=>"522700"], |
|
211
|
|
|
]; |
|
212
|
|
|
$locationCode["云南"] = [ |
|
213
|
|
|
"code"=>"530000", |
|
214
|
|
|
"city"=> ["昆明市"=>"530100", "曲靖市"=>"530300", "玉溪市"=>"530400", "保山市"=>"530500", "昭通市"=>"530600", "丽江市"=>"530700", "普洱市"=>"530800", "临沧市"=>"530900", "楚雄彝族自治州"=>"532300", "红河哈尼族彝族自治州"=>"532500", "文山壮族苗族自治州"=>"532600", "西双版纳傣族自治州"=>"532800", "大理白族自治州"=>"532900", "德宏傣族景颇族自治州"=>"533100", "怒江傈僳族自治州"=>"533300", "迪庆藏族自治州"=>"533400"], |
|
215
|
|
|
]; |
|
216
|
|
|
$locationCode["西藏"] = [ |
|
217
|
|
|
"code"=>"540000", |
|
218
|
|
|
"city"=> ["拉萨市"=>"540100", "昌都地区"=>"542100", "山南地区"=>"542200", "日喀则地区"=>"542300", "那曲地区"=>"542400", "阿里地区"=>"542500", "林芝地区"=>"542600"], |
|
219
|
|
|
]; |
|
220
|
|
|
$locationCode["陕西"] = [ |
|
221
|
|
|
"code"=>"610000", |
|
222
|
|
|
"city"=> ["西安市"=>"610100", "铜川市"=>"610200", "宝鸡市"=>"610300", "咸阳市"=>"610400", "渭南市"=>"610500", "延安市"=>"610600", "汉中市"=>"610700", "榆林市"=>"610800", "安康市"=>"610900", "商洛市"=>"611000"], |
|
223
|
|
|
]; |
|
224
|
|
|
$locationCode["甘肃"] = [ |
|
225
|
|
|
"code"=>"620000", |
|
226
|
|
|
"city"=> ["兰州市"=>"620100", "嘉峪关市"=>"620200", "金昌市"=>"620300", "白银市"=>"620400", "天水市"=>"620500", "武威市"=>"620600", "张掖市"=>"620700", "平凉市"=>"620800", "酒泉市"=>"620900", "庆阳市"=>"621000", "定西市"=>"621100", "陇南市"=>"621200", "临夏回族自治州"=>"622900", "甘南藏族自治州"=>"623000"], |
|
227
|
|
|
]; |
|
228
|
|
|
$locationCode["青海"] = [ |
|
229
|
|
|
"code"=>"630000", |
|
230
|
|
|
"city"=> ["西宁市"=>"630100", "海东地区"=>"632100", "海北藏族自治州"=>"632200", "黄南藏族自治州"=>"632300", "海南藏族自治州"=>"632500", "果洛藏族自治州"=>"632600", "玉树藏族自治州"=>"632700", "海西蒙古族藏族自治州"=>"632800"], |
|
231
|
|
|
]; |
|
232
|
|
|
$locationCode["宁夏"] = [ |
|
233
|
|
|
"code"=>"640000", |
|
234
|
|
|
"city"=> ["银川市"=>"640100", "石嘴山市"=>"640200", "吴忠市"=>"640300", "固原市"=>"640400", "中卫市"=>"640500"], |
|
235
|
|
|
]; |
|
236
|
|
|
$locationCode["新疆"] = [ |
|
237
|
|
|
"code"=>"650000", |
|
238
|
|
|
"city"=> ["乌鲁木齐市"=>"650100", "克拉玛依市"=>"650200", "吐鲁番地区"=>"652100", "哈密地区"=>"652200", "昌吉回族自治州"=>"652300", "博尔塔拉蒙古自治州"=>"652700", "巴音郭楞蒙古自治州"=>"652800", "阿克苏地区"=>"652900", "克孜勒苏柯尔克孜自治州"=>"653000", "喀什地区"=>"653100", "和田地区"=>"653200", "伊犁哈萨克自治州"=>"654000", "塔城地区"=>"654200", "阿勒泰地区"=>"654300", "石河子市"=>"659001", "阿拉尔市"=>"659002", "图木舒克市"=>"659003", "五家渠市"=>"659004"], |
|
239
|
|
|
]; |
|
240
|
|
|
|
|
241
|
|
|
return $locationCode; |
|
242
|
|
|
} |
|
243
|
|
|
|
|
244
|
|
|
public function __destruct() |
|
245
|
|
|
{ |
|
246
|
|
|
if (self::$fp !== null) { |
|
247
|
|
|
fclose(self::$fp); |
|
248
|
|
|
} |
|
249
|
|
|
} |
|
250
|
|
|
} |
|
251
|
|
|
|
zhuzhichao /
ip-location-zh
