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我们下面的一段代码是根据IP来判决用户所以城市哦,php 判断IP所在地源码完全公开的呼
我们下面的一段代码是根据IP来判决用户所以城市哦,php 判断IP所在地源码完全公开的呼
function convertIp($ip) {
$return = '';
if(preg_match("/^d{1,3}.d{1,3}.d{1,3}.d{1,3}$/", $ip)) {
$iparray = explode('.', $ip);
if($iparray[0] == 10 || $iparray[0] == 127 || ($iparray[0] == 192 && $iparray[1] == 168) || ($iparray[0] == 172 && ($iparray[1] >= 16 && $iparray[1] $return = '- LAN';
} elseif ($iparray[0] > 255 || $iparray[1] > 255 || $iparray[2] > 255 || $iparray[3] > 255) {
$return = '- Invalid IP Address';
} else {
$ipfile = MOOPHP_ROOT.'/plugins/ipdata/wry.dat';
if(!@file_exists($ipfile)) {
$return = convertIpFull($ip, $ipfile);
}
}
}
return $return;
}
function convertIpFull($ip, $ipdatafile) {
if(!$fd = @fopen($ipdatafile)) {
return '- Invalid IP data file';
}
$ip = explode('.', $ip);
$ipNum = $ip[0] * 16777216 + $ip[1] * 65536 + $ip[2] * 256 + $ip[3];
if(!($DataBegin = fread($fd, 4)) || !($DataEnd = fread($fd, 4)) ) return;
@$ipbegin = implode('', unpack('L', $DataBegin));
if($ipbegin @$ipend = implode('', unpack('L', $DataEnd));
if($ipend $ipAllNum = ($ipend - $ipbegin) / 7 + 1;
$BeginNum = $ip2num = $ip1num = 0;
$ipAddr1 = $ipAddr2 = '';
$EndNum = $ipAllNum;
while($ip1num > $ipNum || $ip2num $Middle= intval(($EndNum + $BeginNum) / 2);
fseek($fd, $ipbegin + 7 * $Middle);
$ipData1 = fread($fd, 4);
if(strlen($ipData1) fclose($fd);
return '- System Error';
}
$ip1num = implode('', unpack('L', $ipData1));
if($ip1num
if($ip1num > $ipNum) {
$EndNum = $Middle;
continue;
}
$DataSeek = fread($fd, 3);
if(strlen($DataSeek) fclose($fd);
return '- System Error';
}
$DataSeek = implode('', unpack('L', $DataSeek.chr(0)));
fseek($fd, $DataSeek);
$ipData2 = fread($fd, 4);
if(strlen($ipData2) fclose($fd);
return '- System Error';
}
$ip2num = implode('', unpack('L', $ipData2));
if($ip2num
if($ip2num if($Middle == $BeginNum) {
fclose($fd);
return '- Unknown';
}
$BeginNum = $Middle;
}
}
$ipFlag = fread($fd, 1);
if($ipFlag == chr(1)) {
$ipSeek = fread($fd, 3);
if(strlen($ipSeek) fclose($fd);
return '- System Error';
}
$ipSeek = implode('', unpack('L', $ipSeek.chr(0)));
fseek($fd, $ipSeek);
$ipFlag = fread($fd, 1);
}
if($ipFlag == chr(2)) {
$AddrSeek = fread($fd, 3);
if(strlen($AddrSeek) fclose($fd);
return '- System Error';
}
$ipFlag = fread($fd, 1);
if($ipFlag == chr(2)) {
$AddrSeek2 = fread($fd, 3);
if(strlen($AddrSeek2) fclose($fd);
return '- System Error';
}
$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
fseek($fd, $AddrSeek2);
} else {
fseek($fd, -1, SEEK_CUR);
}
while(($char = fread($fd, 1)) != chr(0))
$ipAddr2 .= $char;
$AddrSeek = implode('', unpack('L', $AddrSeek.chr(0)));
fseek($fd, $AddrSeek);
while(($char = fread($fd, 1)) != chr(0))
$ipAddr1 .= $char;
} else {
fseek($fd, -1, SEEK_CUR);
while(($char = fread($fd, 1)) != chr(0))
$ipAddr1 .= $char;
$ipFlag = fread($fd, 1);
if($ipFlag == chr(2)) {
$AddrSeek2 = fread($fd, 3);
if(strlen($AddrSeek2) fclose($fd);
return '- System Error';
}
$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
fseek($fd, $AddrSeek2);
} else {
fseek($fd, -1, SEEK_CUR);
}
while(($char = fread($fd, 1)) != chr(0))
$ipAddr2 .= $char;
}
fclose($fd);
if(preg_match('/http/i', $ipAddr2)) {
$ipAddr2 = '';
}
$ipaddr = "$ipAddr1 $ipAddr2";
$ipaddr = preg_replace('/CZ88.NET/is', '', $ipaddr);
$ipaddr = preg_replace('/^s*/is', '', $ipaddr);
$ipaddr = preg_replace('/s*$/is', '', $ipaddr);
if(preg_match('/http/i', $ipaddr) || $ipaddr == '') {
$ipaddr = '- Unknown';
}
return '- '.$ipaddr;
}