Ip::locations() - Code Metrics - Inspection of "Merge pull request #16 from iflamed/master" - zhuzhichao/ip-location-zh - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 05ee71...ff49fb )

by zhu

created 2017-09-20 01:10 UTC

Ip::locations() B

↳ Parent: Ip

Complexity

Conditions	1
Paths	1

Size

Total Lines	130
Code Lines	96

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	130
rs	8.2857
cc	1
eloc	96
nc	1
nop	0

How to fix Long Method

1			<?php namespace Zhuzhichao\IpLocationZh;
2
3			use Exception;
4
5			class Ip
6			{
7
8			private static $ip = null;
9
10			private static $fp = null;
11
12			private static $offset = null;
13
14			private static $index = null;
15
16			private static $cached = array();
17
18			public static function find($ip)
19			{
20			if (empty( $ip ) === true) {
21			return 'N/A';
22			}
23
24			$nip = gethostbyname($ip);
25			$ipdot = explode('.', $nip);
26
27			if ($ipdot[0] < 0 \|\| $ipdot[0] > 255 \|\| count($ipdot) !== 4) {
28			return 'N/A';
29			}
30
31			if (isset( self::$cached[$nip] ) === true) {
32			return self::$cached[$nip];
33			}
34
35			if (self::$fp === null) {
36			self::init();
37			}
38
39			$nip2 = pack('N', ip2long($nip));
40
41			$tmp_offset = (int) $ipdot[0] * 4;
42			$start = unpack('Vlen',
43			self::$index[$tmp_offset].self::$index[$tmp_offset + 1].self::$index[$tmp_offset + 2].self::$index[$tmp_offset + 3]);
44
45			$index_offset = $index_length = null;
46			$max_comp_len = self::$offset['len'] - 1024 - 4;
47			for ($start = $start['len'] * 8 + 1024; $start < $max_comp_len; $start += 8) {
48			if (self::$index{$start}.self::$index{$start + 1}.self::$index{$start + 2}.self::$index{$start + 3} >= $nip2) {
49			$index_offset = unpack('Vlen',
50			self::$index{$start + 4}.self::$index{$start + 5}.self::$index{$start + 6}."\x0");
51			$index_length = unpack('Clen', self::$index{$start + 7});
52
53			break;
54			}
55			}
56
57			if ($index_offset === null) {
58			return 'N/A';
59			}
60
61			fseek(self::$fp, self::$offset['len'] + $index_offset['len'] - 1024);
62
63			$location = explode("\t", fread(self::$fp, $index_length['len']));
64			$locationCode = self::getLocationCode($location);
65			$location[] = $locationCode;
66
67			self::$cached[$nip] = $location;
68
69			return self::$cached[$nip];
70			}
71
72			private static function init()
73			{
74			if (self::$fp === null) {
75			self::$ip = new self();
76
77			self::$fp = fopen(__DIR__.'/17monipdb.dat', 'rb');
78			if (self::$fp === false) {
79			throw new Exception('Invalid 17monipdb.dat file!');
80			}
81
82			self::$offset = unpack('Nlen', fread(self::$fp, 4));
83			if (self::$offset['len'] < 4) {
84			throw new Exception('Invalid 17monipdb.dat file!');
85			}
86
87			self::$index = fread(self::$fp, self::$offset['len'] - 4);
88			}
89			}
90
91			private static function getLocationCode($arr)
92			{
93			$province = $arr[1];
94			$city = $arr[2];
95			$locationCode = self::locations();
96			$code = "";
97			if ( ! isset($locationCode[$province])) {
98			return $code;
99			}
100			$code = $locationCode[$province]["code"];
101			if ( ! empty($city)) {
102			foreach ($locationCode[$province]["city"] as $key => $loc) {
103			if (strpos($key, $city) !== false) {
104			$code = $loc;
105			break;
106			}
107			}
108			}
109
110			return $code;
111			}
112
113			public static function locations()
114			{
115			$locationCode = [];
116			$locationCode["北京"] = [
117			"code"=>"110000",
118			"city"=> [],
119			];
120			$locationCode["天津"] = [
121			"code"=>"120000",
122			"city"=> [],
123			];
124			$locationCode["河北"] = [
125			"code"=>"130000",
126			"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"],
127			];
128			$locationCode["山西"] = [
129			"code"=>"140000",
130			"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"],
131			];
132			$locationCode["内蒙古"] =[
133			"code"=>"150000",
134			"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"],
135			];
136			$locationCode["辽宁"] = [
137			"code"=>"210000",
138			"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"],
139			];
140			$locationCode["吉林"] = [
141			"code"=>"220000",
142			"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"],
143			];
144			$locationCode["黑龙江"] =[
145			"code"=>"230000",
146			"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"],
147			];
148			$locationCode["上海"] = [
149			"code"=>"310000",
150			"city"=> [],
151			];
152			$locationCode["江苏"] = [
153			"code"=>"320000",
154			"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"],
155			];
156			$locationCode["浙江"] = [
157			"code"=>"330000",
158			"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"],
159			];
160			$locationCode["安徽"] = [
161			"code"=>"340000",
162			"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"],
163			];
164			$locationCode["福建"] = [
165			"code"=>"350000",
166			"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"],
167			];
168			$locationCode["江西"] = [
169			"code"=>"360000",
170			"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"],
171			];
172			$locationCode["山东"] = [
173			"code"=>"370000",
174			"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"],
175			];
176			$locationCode["河南"] = [
177			"code"=>"410000",
178			"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"],
179			];
180			$locationCode["湖北"] = [
181			"code"=>"420000",
182			"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"],
183			];
184			$locationCode["湖南"] = [
185			"code"=>"430000",
186			"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"],
187			];
188			$locationCode["广东"] = [
189			"code"=>"440000",
190			"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"],
191			];
192			$locationCode["广西"] = [
193			"code"=>"450000",
194			"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"],
195			];
196			$locationCode["海南"] = [
197			"code"=>"460000",
198			"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"],
199			];
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

Push — master ( 05ee71...ff49fb )

Ip::locations() B

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How to fix Long Method

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