Misappropriation of Sina IP address library access to the user's city and region PHP version

Borrow Sina IP Address library to fetch the user's city and region PHP version

/* $ip =real_ip ();
$url = ' http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip= '. $ip;
$content =fopen_url ($url);
$EXP = '/country ': "(. *?)", "Province": "(. *)", "City": "(. *)", "District": "", "ISP": "(. *)", "type/s";
$content =unicodedecode ($content);
if (Preg_match ($EXP, $content, $matche)) {
Echo ' Hello, from '. $matche [1]. $matche [2]. $matche [3]. ' Friends. ';
}elseif (Preg_match ('/"ret":-1, "IP": "(. *?)" /', $content, $matche)) {
Echo ' You are using LAN, LAN IP '. $matche [1];
}else{
Echo ' You are from Mars. ';
}*/

/**
?*
?*/
function Ipfungetcitynamebyid () {
??? $url = ' http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=js&ip= '. IPFUNREAL_IP ();
??? $content =ipfunfopen_url ($url);
??? $EXP = '/country ': "(. *?)", "Province": "(. *)", "City": "(. *)", "District": "", "ISP": "(. *)", "type/s";
??? $content =ipfununicodedecode ($content);
??? if (Preg_match ($EXP, $content, $matche)) {
??? ??? return $matche [3];
??? }else
??? ??? Return "";
}
?
?
Curl Get URL Content
function Ipfunfopen_url ($url)
{
??? if (function_exists (' file_get_contents ')) {
??????? $file _content = @file_get_contents ($url);
??? } elseif (Ini_get (' Allow_url_fopen ') && ($file = @fopen ($url, ' RB '))) {
??????? $i = 0;
??????? while (!feof ($file) && $i + < 1000) {
??????????? $file _content. = Strtolower (Fread ($file, 4096));
??????? }
??????? Fclose ($file);
??? } elseif (Function_exists (' Curl_init ')) {
??????? $curl _handle = Curl_init ();
??????? curl_setopt ($curl _handle, Curlopt_url, $url);
??????? curl_setopt ($curl _handle, curlopt_connecttimeout,2);
??????? curl_setopt ($curl _handle, curlopt_returntransfer,1);
??????? curl_setopt ($curl _handle, curlopt_failonerror,1);
??????? curl_setopt ($curl _handle, curlopt_useragent, ' Trackback Spam Check ');
??????? $file _content = curl_exec ($curl _handle);
??????? Curl_close ($curl _handle);
??? } else {
??????? $file _content = ";
??? }
??? return $file _content;
}
?
function Ipfununicodedecode ($content)
{
??? Conversion encoding, converting Unicode encoding to gb2312 encoding
??? $pattern = '/(\\\u ([\w]{4}))/I ';
??? Preg_match_all ($pattern, $content, $matches);
??? if (!empty ($matches))
??? {
??????? for ($j = 0; $j < count ($matches [0]); $j + +)
??????? {
??????????? $str = $matches [0][$j];
??????????? if (Strpos ($str, ' \\u ') = = = 0)
??????????? {
??????????????? $code = Base_convert (substr ($STR, 2, 2), 16, 10);
??????????????? $code 2 = Base_convert (substr ($STR, 4), 16, 10);
?
??????????????? $c = Chr ($code). Chr ($code 2);
??? ??? ??? ??? $c =mb_convert_encoding ($c, "UTF-8", ' UCS-2 ');
??????????????? $c = Iconv (' UCS-2 ', ' gb2312 ', $c);
??? ??? ??? ??? $content =str_replace ($matches [0][$j], $c, $content);
??????????? }
??????????? Else
??????????? {
??????????????? $content. = $str;
??????????? }
??????? }
??? }
??? return $content;
}
?
function Ipfunreal_ip ()
{
??? static $realip = NULL;
?
??? if ($realip!== NULL)
??? {
??????? return $realip;
??? }
?
??? if (Isset ($_server))
??? {
??????? if (Isset ($_server[' http_x_forwarded_for '))
??????? {
??????????? $arr = Explode (', ', $_server[' http_x_forwarded_for ');
?
??????????? /* Take the first non-unknown valid IP string in X-forwarded-for */
??????????? foreach ($arr as $ip)
??????????? {
??????????????? $ip = Trim ($IP);
?
??????????????? if ($ip! = ' Unknown ')
??????????????? {
??????????????????? $realip = $ip;
?
??????????????????? Break
??????????????? }
??????????? }
??????? }
??????? ElseIf (Isset ($_server[' http_client_ip '))
??????? {
??????????? $realip = $_server[' http_client_ip ');
??????? }
??????? Else
??????? {
??????????? if (Isset ($_server[' remote_addr '))
??????????? {
??????????????? $realip = $_server[' remote_addr ');
??????????? }
??????????? Else
??????????? {
??????????????? $realip = ' 0.0.0.0 ';
??????????? }
??????? }
??? }
??? Else
??? {
??????? if (getenv (' http_x_forwarded_for '))
??????? {
??????????? $realip = getenv (' http_x_forwarded_for ');
??????? }
??????? ElseIf (getenv (' http_client_ip '))
??????? {
??????????? $realip = getenv (' http_client_ip ');
??????? }
??????? Else
??????? {
??????????? $realip = getenv (' remote_addr ');
??????? }
??? }
?
??? Preg_match ("/[\d\.") {7,15}/", $realip, $ONLINEIP);
??? $realip =!empty ($onlineip [0])? $ONLINEIP [0]: ' 0.0.0.0 ';
?
??? return $realip;
}

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