php - How can i get the country's ISD code from IP -

i need countries isd code of site visitor based on ip location there library or code can integrate it.

can please check if below code snippet can usefull getting requirements done.

function ip_info($ip = null, $purpose = "location", $deep_detect = true) {     $output = null;     if (filter_var($ip, filter_validate_ip) === false) {         $ip = $_server["remote_addr"];         if ($deep_detect) {             if (filter_var(@$_server['http_x_forwarded_for'], filter_validate_ip))                 $ip = $_server['http_x_forwarded_for'];             if (filter_var(@$_server['http_client_ip'], filter_validate_ip))                 $ip = $_server['http_client_ip'];         }     }     $purpose    = str_replace(array("name", "\n", "\t", " ", "-", "_"), null, strtolower(trim($purpose)));     $support    = array("country", "countrycode", "state", "region", "city", "location", "address");     $continents = array(         "af" => "africa",         "an" => "antarctica",         "as" => "asia",         "eu" => "europe",         "oc" => "australia (oceania)",         "na" => "north america",         "sa" => "south america"     );     if (filter_var($ip, filter_validate_ip) && in_array($purpose, $support)) {         $ipdat = @json_decode(file_get_contents("http://www.geoplugin.net/json.gp?ip=" . $ip));         if (@strlen(trim($ipdat->geoplugin_countrycode)) == 2) {             switch ($purpose) {                 case "location":                     $output = array(                         "city"           => @$ipdat->geoplugin_city,                         "state"          => @$ipdat->geoplugin_regionname,                         "country"        => @$ipdat->geoplugin_countryname,                         "country_code"   => @$ipdat->geoplugin_countrycode,                         "continent"      => @$continents[strtoupper($ipdat->geoplugin_continentcode)],                         "continent_code" => @$ipdat->geoplugin_continentcode                     );                     break;                 case "address":                     $address = array($ipdat->geoplugin_countryname);                     if (@strlen($ipdat->geoplugin_regionname) >= 1)                         $address[] = $ipdat->geoplugin_regionname;                     if (@strlen($ipdat->geoplugin_city) >= 1)                         $address[] = $ipdat->geoplugin_city;                     $output = implode(", ", array_reverse($address));                     break;                 case "city":                     $output = @$ipdat->geoplugin_city;                     break;                 case "state":                     $output = @$ipdat->geoplugin_regionname;                     break;                 case "region":                     $output = @$ipdat->geoplugin_regionname;                     break;                 case "country":                     $output = @$ipdat->geoplugin_countryname;                     break;                 case "countrycode":                     $output = @$ipdat->geoplugin_countrycode;                     break;             }         }     }     return $output; }        function getcountry($code)     {        $countryarray = array(     'ad'=>array('name'=>'andorra','code'=>'376'),     'ae'=>array('name'=>'united arab emirates','code'=>'971'),     'af'=>array('name'=>'afghanistan','code'=>'93'),     'ag'=>array('name'=>'antigua , barbuda','code'=>'1268'),     'ai'=>array('name'=>'anguilla','code'=>'1264'),     'al'=>array('name'=>'albania','code'=>'355'),     'am'=>array('name'=>'armenia','code'=>'374'),     'an'=>array('name'=>'netherlands antilles','code'=>'599'),     'ao'=>array('name'=>'angola','code'=>'244'),     'aq'=>array('name'=>'antarctica','code'=>'672'),     'ar'=>array('name'=>'argentina','code'=>'54'),     'as'=>array('name'=>'american samoa','code'=>'1684'),     'at'=>array('name'=>'austria','code'=>'43'),     'au'=>array('name'=>'australia','code'=>'61'),     'aw'=>array('name'=>'aruba','code'=>'297'),     'az'=>array('name'=>'azerbaijan','code'=>'994'),     'ba'=>array('name'=>'bosnia , herzegovina','code'=>'387'),     'bb'=>array('name'=>'barbados','code'=>'1246'),     'bd'=>array('name'=>'bangladesh','code'=>'880'),     'be'=>array('name'=>'belgium','code'=>'32'),     'bf'=>array('name'=>'burkina faso','code'=>'226'),     'bg'=>array('name'=>'bulgaria','code'=>'359'),     'bh'=>array('name'=>'bahrain','code'=>'973'),     'bi'=>array('name'=>'burundi','code'=>'257'),     'bj'=>array('name'=>'benin','code'=>'229'),     'bl'=>array('name'=>'saint barthelemy','code'=>'590'),     'bm'=>array('name'=>'bermuda','code'=>'1441'),     'bn'=>array('name'=>'brunei darussalam','code'=>'673'),     'bo'=>array('name'=>'bolivia','code'=>'591'),     'br'=>array('name'=>'brazil','code'=>'55'),     'bs'=>array('name'=>'bahamas','code'=>'1242'),     'bt'=>array('name'=>'bhutan','code'=>'975'),     'bw'=>array('name'=>'botswana','code'=>'267'),     'by'=>array('name'=>'belarus','code'=>'375'),     'bz'=>array('name'=>'belize','code'=>'501'),     'ca'=>array('name'=>'canada','code'=>'1'),     'cc'=>array('name'=>'cocos (keeling) islands','code'=>'61'),     'cd'=>array('name'=>'congo, democratic republic of the','code'=>'243'),     'cf'=>array('name'=>'central african republic','code'=>'236'),     'cg'=>array('name'=>'congo','code'=>'242'),     'ch'=>array('name'=>'switzerland','code'=>'41'),     'ci'=>array('name'=>'cote d ivoire','code'=>'225'),     'ck'=>array('name'=>'cook islands','code'=>'682'),     'cl'=>array('name'=>'chile','code'=>'56'),     'cm'=>array('name'=>'cameroon','code'=>'237'),     'cn'=>array('name'=>'china','code'=>'86'),     'co'=>array('name'=>'colombia','code'=>'57'),     'cr'=>array('name'=>'costa rica','code'=>'506'),     'cu'=>array('name'=>'cuba','code'=>'53'),     'cv'=>array('name'=>'cape verde','code'=>'238'),     'cx'=>array('name'=>'christmas island','code'=>'61'),     'cy'=>array('name'=>'cyprus','code'=>'357'),     'cz'=>array('name'=>'czech republic','code'=>'420'),     'de'=>array('name'=>'germany','code'=>'49'),     'dj'=>array('name'=>'djibouti','code'=>'253'),     'dk'=>array('name'=>'denmark','code'=>'45'),     'dm'=>array('name'=>'dominica','code'=>'1767'),     'do'=>array('name'=>'dominican republic','code'=>'1809'),     'dz'=>array('name'=>'algeria','code'=>'213'),     'ec'=>array('name'=>'ecuador','code'=>'593'),     'ee'=>array('name'=>'estonia','code'=>'372'),     'eg'=>array('name'=>'egypt','code'=>'20'),     'er'=>array('name'=>'eritrea','code'=>'291'),     'es'=>array('name'=>'spain','code'=>'34'),     'et'=>array('name'=>'ethiopia','code'=>'251'),     'fi'=>array('name'=>'finland','code'=>'358'),     'fj'=>array('name'=>'fiji','code'=>'679'),     'fk'=>array('name'=>'falkland islands (malvinas)','code'=>'500'),     'fm'=>array('name'=>'micronesia, federated states of','code'=>'691'),     'fo'=>array('name'=>'faroe islands','code'=>'298'),     'fr'=>array('name'=>'france','code'=>'33'),     'ga'=>array('name'=>'gabon','code'=>'241'),     'gb'=>array('name'=>'united kingdom','code'=>'44'),     'gd'=>array('name'=>'grenada','code'=>'1473'),     'ge'=>array('name'=>'georgia','code'=>'995'),     'gh'=>array('name'=>'ghana','code'=>'233'),     'gi'=>array('name'=>'gibraltar','code'=>'350'),     'gl'=>array('name'=>'greenland','code'=>'299'),     'gm'=>array('name'=>'gambia','code'=>'220'),     'gn'=>array('name'=>'guinea','code'=>'224'),     'gq'=>array('name'=>'equatorial guinea','code'=>'240'),     'gr'=>array('name'=>'greece','code'=>'30'),     'gt'=>array('name'=>'guatemala','code'=>'502'),     'gu'=>array('name'=>'guam','code'=>'1671'),     'gw'=>array('name'=>'guinea-bissau','code'=>'245'),     'gy'=>array('name'=>'guyana','code'=>'592'),     'hk'=>array('name'=>'hong kong','code'=>'852'),     'hn'=>array('name'=>'honduras','code'=>'504'),     'hr'=>array('name'=>'croatia','code'=>'385'),     'ht'=>array('name'=>'haiti','code'=>'509'),     'hu'=>array('name'=>'hungary','code'=>'36'),     'id'=>array('name'=>'indonesia','code'=>'62'),     'ie'=>array('name'=>'ireland','code'=>'353'),     'il'=>array('name'=>'israel','code'=>'972'),     'im'=>array('name'=>'isle of man','code'=>'44'),     'in'=>array('name'=>'india','code'=>'91'),     'iq'=>array('name'=>'iraq','code'=>'964'),     'ir'=>array('name'=>'iran, islamic republic of','code'=>'98'),     'is'=>array('name'=>'iceland','code'=>'354'),     'it'=>array('name'=>'italy','code'=>'39'),     'jm'=>array('name'=>'jamaica','code'=>'1876'),     'jo'=>array('name'=>'jordan','code'=>'962'),     'jp'=>array('name'=>'japan','code'=>'81'),     'ke'=>array('name'=>'kenya','code'=>'254'),     'kg'=>array('name'=>'kyrgyzstan','code'=>'996'),     'kh'=>array('name'=>'cambodia','code'=>'855'),     'ki'=>array('name'=>'kiribati','code'=>'686'),     'km'=>array('name'=>'comoros','code'=>'269'),     'kn'=>array('name'=>'saint kitts , nevis','code'=>'1869'),     'kp'=>array('name'=>'korea democratic peoples republic of','code'=>'850'),     'kr'=>array('name'=>'korea republic of','code'=>'82'),     'kw'=>array('name'=>'kuwait','code'=>'965'),     'ky'=>array('name'=>'cayman islands','code'=>'1345'),     'kz'=>array('name'=>'kazakstan','code'=>'7'),     'la'=>array('name'=>'lao peoples democratic republic','code'=>'856'),     'lb'=>array('name'=>'lebanon','code'=>'961'),     'lc'=>array('name'=>'saint lucia','code'=>'1758'),     'li'=>array('name'=>'liechtenstein','code'=>'423'),     'lk'=>array('name'=>'sri lanka','code'=>'94'),     'lr'=>array('name'=>'liberia','code'=>'231'),     'ls'=>array('name'=>'lesotho','code'=>'266'),     'lt'=>array('name'=>'lithuania','code'=>'370'),     'lu'=>array('name'=>'luxembourg','code'=>'352'),     'lv'=>array('name'=>'latvia','code'=>'371'),     'ly'=>array('name'=>'libyan arab jamahiriya','code'=>'218'),     'ma'=>array('name'=>'morocco','code'=>'212'),     'mc'=>array('name'=>'monaco','code'=>'377'),     'md'=>array('name'=>'moldova, republic of','code'=>'373'),     'me'=>array('name'=>'montenegro','code'=>'382'),     'mf'=>array('name'=>'saint martin','code'=>'1599'),     'mg'=>array('name'=>'madagascar','code'=>'261'),     'mh'=>array('name'=>'marshall islands','code'=>'692'),     'mk'=>array('name'=>'macedonia, former yugoslav republic of','code'=>'389'),     'ml'=>array('name'=>'mali','code'=>'223'),     'mm'=>array('name'=>'myanmar','code'=>'95'),     'mn'=>array('name'=>'mongolia','code'=>'976'),     'mo'=>array('name'=>'macau','code'=>'853'),     'mp'=>array('name'=>'northern mariana islands','code'=>'1670'),     'mr'=>array('name'=>'mauritania','code'=>'222'),     'ms'=>array('name'=>'montserrat','code'=>'1664'),     'mt'=>array('name'=>'malta','code'=>'356'),     'mu'=>array('name'=>'mauritius','code'=>'230'),     'mv'=>array('name'=>'maldives','code'=>'960'),     'mw'=>array('name'=>'malawi','code'=>'265'),     'mx'=>array('name'=>'mexico','code'=>'52'),     'my'=>array('name'=>'malaysia','code'=>'60'),     'mz'=>array('name'=>'mozambique','code'=>'258'),     'na'=>array('name'=>'namibia','code'=>'264'),     'nc'=>array('name'=>'new caledonia','code'=>'687'),     'ne'=>array('name'=>'niger','code'=>'227'),     'ng'=>array('name'=>'nigeria','code'=>'234'),     'ni'=>array('name'=>'nicaragua','code'=>'505'),     'nl'=>array('name'=>'netherlands','code'=>'31'),     'no'=>array('name'=>'norway','code'=>'47'),     'np'=>array('name'=>'nepal','code'=>'977'),     'nr'=>array('name'=>'nauru','code'=>'674'),     'nu'=>array('name'=>'niue','code'=>'683'),     'nz'=>array('name'=>'new zealand','code'=>'64'),     'om'=>array('name'=>'oman','code'=>'968'),     'pa'=>array('name'=>'panama','code'=>'507'),     'pe'=>array('name'=>'peru','code'=>'51'),     'pf'=>array('name'=>'french polynesia','code'=>'689'),     'pg'=>array('name'=>'papua new guinea','code'=>'675'),     'ph'=>array('name'=>'philippines','code'=>'63'),     'pk'=>array('name'=>'pakistan','code'=>'92'),     'pl'=>array('name'=>'poland','code'=>'48'),     'pm'=>array('name'=>'saint pierre , miquelon','code'=>'508'),     'pn'=>array('name'=>'pitcairn','code'=>'870'),     'pr'=>array('name'=>'puerto rico','code'=>'1'),     'pt'=>array('name'=>'portugal','code'=>'351'),     'pw'=>array('name'=>'palau','code'=>'680'),     'py'=>array('name'=>'paraguay','code'=>'595'),     'qa'=>array('name'=>'qatar','code'=>'974'),     'ro'=>array('name'=>'romania','code'=>'40'),     'rs'=>array('name'=>'serbia','code'=>'381'),     'ru'=>array('name'=>'russian federation','code'=>'7'),     'rw'=>array('name'=>'rwanda','code'=>'250'),     'sa'=>array('name'=>'saudi arabia','code'=>'966'),     'sb'=>array('name'=>'solomon islands','code'=>'677'),     'sc'=>array('name'=>'seychelles','code'=>'248'),     'sd'=>array('name'=>'sudan','code'=>'249'),     'se'=>array('name'=>'sweden','code'=>'46'),     'sg'=>array('name'=>'singapore','code'=>'65'),     'sh'=>array('name'=>'saint helena','code'=>'290'),     'si'=>array('name'=>'slovenia','code'=>'386'),     'sk'=>array('name'=>'slovakia','code'=>'421'),     'sl'=>array('name'=>'sierra leone','code'=>'232'),     'sm'=>array('name'=>'san marino','code'=>'378'),     'sn'=>array('name'=>'senegal','code'=>'221'),     'so'=>array('name'=>'somalia','code'=>'252'),     'sr'=>array('name'=>'suriname','code'=>'597'),     'st'=>array('name'=>'sao tome , principe','code'=>'239'),     'sv'=>array('name'=>'el salvador','code'=>'503'),     'sy'=>array('name'=>'syrian arab republic','code'=>'963'),     'sz'=>array('name'=>'swaziland','code'=>'268'),     'tc'=>array('name'=>'turks , caicos islands','code'=>'1649'),     'td'=>array('name'=>'chad','code'=>'235'),     'tg'=>array('name'=>'togo','code'=>'228'),     'th'=>array('name'=>'thailand','code'=>'66'),     'tj'=>array('name'=>'tajikistan','code'=>'992'),     'tk'=>array('name'=>'tokelau','code'=>'690'),     'tl'=>array('name'=>'timor-leste','code'=>'670'),     'tm'=>array('name'=>'turkmenistan','code'=>'993'),     'tn'=>array('name'=>'tunisia','code'=>'216'),     'to'=>array('name'=>'tonga','code'=>'676'),     'tr'=>array('name'=>'turkey','code'=>'90'),     'tt'=>array('name'=>'trinidad , tobago','code'=>'1868'),     'tv'=>array('name'=>'tuvalu','code'=>'688'),     'tw'=>array('name'=>'taiwan, province of china','code'=>'886'),     'tz'=>array('name'=>'tanzania, united republic of','code'=>'255'),     'ua'=>array('name'=>'ukraine','code'=>'380'),     'ug'=>array('name'=>'uganda','code'=>'256'),     'us'=>array('name'=>'united states','code'=>'1'),     'uy'=>array('name'=>'uruguay','code'=>'598'),     'uz'=>array('name'=>'uzbekistan','code'=>'998'),     'va'=>array('name'=>'holy see (vatican city state)','code'=>'39'),     'vc'=>array('name'=>'saint vincent , grenadines','code'=>'1784'),     've'=>array('name'=>'venezuela','code'=>'58'),     'vg'=>array('name'=>'virgin islands, british','code'=>'1284'),     'vi'=>array('name'=>'virgin islands, u.s.','code'=>'1340'),     'vn'=>array('name'=>'viet nam','code'=>'84'),     'vu'=>array('name'=>'vanuatu','code'=>'678'),     'wf'=>array('name'=>'wallis , futuna','code'=>'681'),     'ws'=>array('name'=>'samoa','code'=>'685'),     'xk'=>array('name'=>'kosovo','code'=>'381'),     'ye'=>array('name'=>'yemen','code'=>'967'),     'yt'=>array('name'=>'mayotte','code'=>'262'),     'za'=>array('name'=>'south africa','code'=>'27'),     'zm'=>array('name'=>'zambia','code'=>'260'),     'zw'=>array('name'=>'zimbabwe','code'=>'263') );         $data= $countryarray[$code]; return $data['code'];     }     $code=ip_info("visitor", "country code");     $isd= getcountry($code);  

you value of isd in $code