写过 PHP 递归进

<?php
header('Content-Type:text/html; charset=utf-8');ini_set('max_execution_time',0);
ini_set('memory_limit',-1);$fp = null;function reverse(&$in)
{
$out ='';
$len = strlen($in);
while ($len>0)
{
$out.=$in[$len-2].$in[$len-1];
$len -=2;
}
return $out;
}function getip($in)
{
$len = strlen($in);
$dot = '';
while ($len>0)
{
$out.=$dot.hexdec($in[$len-2].$in[$len-1]);
$len -=2;
$dot = '.';
}
return $out;
}function get_offset_data($offset,$format ='H*')
{
global $fp;
fseek($fp,hexdec($offset));
$data = fread($fp,8);
$data = unpack($format,$data);
return $data;
}//获得索引偏移数据
function get_data(&$index)
{
global $fp;
foreach ($index as $offset =>$data)
{
$data = get_offset_data($data['offset'],'H8IPTO/H8OFFSET');
//$index[$offset]['ipto'] = getip($data['IPTO']);
$index[$offset]['ipto'] = reverse($data['IPTO']);
$index[$offset]['data'] = $data['OFFSET'];
}
}
function get_index($limit = 0)
{
global $fp;
$fp = fopen('Coralwry.dat','rb');
$index_start = fread($fp,4);
$index_end = fread($fp,4);

$index_start = unpack('H*',$index_start);
$index_start = $index_start[1];
$index_end = unpack('H*',$index_end);
$index_end = $index_end[1];

$index_start = reverse($index_start);
$index_end = reverse($index_end);

$limit?$limit:$limit=(hexdec($index_end)-hexdec($index_start))/7+1;
fseek($fp,hexdec($index_start));
$i = 1;
while ($i <= $limit)
{

$seek = ftell($fp);
$data = fread($fp,7);

$data = unpack('H8IP/H6OFFSET',$data);
$index[reverse($data['IP'])] = array('ipfrom'=>reverse($data['IP']),'offset'=>reverse($data['OFFSET']));
$i++;
}
return $index;
}
function get_mode_data(&$index,$offset,$aboffset,$type)
{
global $fp;
switch ($type)
{
case 1:
{
//模式1下有 3种
fseek($fp,hexdec($aboffset));
$tag = fgetc($fp);
//2级跳转可能?国家偏移+地区数据国家偏移+地区偏移?
if($tag == chr(2))
{
$countryoffset = fread($fp,3);
$curfp = ftell($fp);
$countryoffset = unpack('H*',$countryoffset);
$countryoffset = hexdec(reverse($countryoffset[1]));
$index[$offset]['country'] = get_country($countryoffset);

$areaoffset = $curfp;
$index[$offset]['location'] = get_area($areaoffset);

}
//地区数据跟在国家数据之后无任何偏移跳转
else
{
fseek($fp,-1,SEEK_CUR);
$countryoffset = ftell($fp);
$index[$offset]['country'] = get_country($countryoffset);
//模式2下地区记录在索引偏移数据之后可能有2级跳转
$areaoffset = ftell($fp);
$index[$offset]['location'] = get_area($areaoffset);
}
break;
}
case 2:
{
//模式2下 $aboffset 为国家绝对偏移
$countryoffset = hexdec($aboffset);
$index[$offset]['country'] = get_country($countryoffset);
//模式2下地区记录在索引偏移数据之后可能有2级跳转
$areaoffset = hexdec($index[$offset]['offset'])+8;
$index[$offset]['location'] = get_area($areaoffset);
break;
}
default:
{
break;
}
}
}function get_country($countryoffset)
{
global $fp;

fseek($fp,$countryoffset);
$str = $c = '';
while ($c!=="\0")
{
$c = fgetc($fp);
$str .=$c;
}
return iconv('GBK','UTF-8',$str);}function get_area($areaoffset)
{
global $fp;

fseek($fp,$areaoffset);
$str = $c = $tag = fgetc($fp);
while ($c!=="00")
{
$c = fread($fp,1);
$c = unpack('H*',$c);
$c = $c[1];
$tag == chr(2)?$str .=$c:$str .=chr(hexdec($c));
}
if($tag==chr(1))
{
echo '01开头...';
exit();
}
if($tag!==chr(2))
{
return iconv('GBK','UTF-8',$str);
}
else
{
$areaoffset = hexdec(reverse(substr($str,1)));
return get_area($areaoffset,$type);
}

}function get_location_info(&$index,$offset)
{
global $fp;
$data = $index[$offset];
$tag = substr($data['data'],0,2);
$aboffset = reverse(substr($data['data'],2));

switch ($tag)
{
case '01':
{
get_mode_data(&$index,$offset,$aboffset,1);
break;
}
case '02':
{
get_mode_data(&$index,$offset,$aboffset,2);
break;
}
default:
{
$countryoffset = hexdec($index[$offset]['offset'])+4;
$index[$offset]['country'] = get_country($countryoffset);
//模式2下地区记录在索引偏移数据之后可能有2级跳转
$areaoffset = ftell($fp);
$index[$offset]['location'] = get_area($areaoffset);;
}
}

}
//第一步:入库时开启下面2段就可
//$index = get_index(334488);
//get_data(&$index);//echo '<pre>';
//var_dump($index);
//echo '</pre>';//获得IP索引数组找出相对索引偏移
//$search_index = array_keys($index);
//echo '<pre>';
//var_dump($search_index);
//echo '</pre>';
$i = 1;
function get_offset($ip,$min,$max)
{
global $num,$search_index;
if($min < $max)
{
$mid = intval(($min+$max)/2);
$num = $mid;
}
else
{
return $mid;
}
if(hexdec($search_index[$mid]) == $ip)
{
return $mid;
}
elseif(hexdec($search_index[$mid]) > $ip)
{
get_offset($ip,$min,$mid);
}
else
{
get_offset($ip,$mid,$max);
}
}//
//$offset = '01000000';
//get_location_info(&$index,$offset);
//
//echo '<pre>';
//var_dump($index[$offset]);
//echo '</pre>';//第二步:开启下面sql
//$connect = mysql_connect('localhost','root','mnky3cr5') or die('ss');
//$db = mysql_select_db('ip',$connect);
//foreach ($index as $offset =>$info)
//{
//mysql_query('insert into ip(`id`,`ipfrom`,`ipto`,`offset`,`data`) values(NULL,"'.$info['ipfrom'].'","'.$info['ipto'].'","'.$info['offset'].'","'.$info['data'].'")');
//}
//exit();
$index = null;
$offset = null;
$fp = fopen('Coralwry.dat','rb');
get_location('192.168.1.1');
get_location('192.168.1.1');
function get_location($ip)
{
global $index,$offset;
if(preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/',$ip))
{
$ip = split('\.',$ip);
$ip = sprintf('%02X',$ip[0]).sprintf('%02X',$ip[1]).sprintf('%02X',$ip[2]).sprintf('%02X',$ip[3]);
$connect = mysql_connect('localhost','root','mnky3cr5') or die('ss');
$db = mysql_select_db('ip',$connect);
$result = mysql_query('SELECT ipfrom,ipto,offset,data FROM ip WHERE ipfrom<"'.$ip .'" AND ipto >"'.$ip.'"');
echo 'SELECT ipfrom,ipto,offset,data FROM ip WHERE ipfrom<"'.$ip .'" AND ipto >"'.$ip.'"';
while (false !=($data = mysql_fetch_assoc($result)))
{
$offset = $data['ipfrom'];
$index[$offset] = $data;
// echo '<pre>';
// var_dump($index);
// echo '</pre>';

get_location_info(&$index,$offset);

$index[$offset]['ipfrom'] = getip(reverse($index[$offset]['ipfrom']));
$index[$offset]['ipto'] = getip(reverse($index[$offset]['ipto']));
echo '<pre>';
var_dump($index);
echo '</pre>';
}
}
else
{
echo 'IP 不合法~';
}
}?>
//这个是用数据库实现的 .没意思
用数据库...哎..<?php
header('Content-Type:text/html; charset=utf-8');ini_set('max_execution_time',0);
ini_set('memory_limit',-1);$fp = null;
if(!$_GET['ip'])
{
?>
<form method="GET">
<input name="ip" type="text">
<input type="submit" name="search" value="search" />
</form><?php
exit();
}
function reverse(&$in)
{
$out ='';
$len = strlen($in);
while ($len>0)
{
$out.=$in[$len-2].$in[$len-1];
$len -=2;
}
return $out;
}function getip($in)
{
$len = strlen($in);
$dot = '';
while ($len>0)
{
$out.=$dot.hexdec($in[$len-2].$in[$len-1]);
$len -=2;
$dot = '.';
}
return $out;
}function get_offset_data($offset,$format ='H*')
{
global $fp;
fseek($fp,hexdec($offset));
$data = fread($fp,8);
$data = unpack($format,$data);
return $data;
}//获得索引偏移数据
function get_data(&$index)
{
global $fp;
foreach ($index as $offset =>$data)
{
$data = get_offset_data($data['offset'],'H8IPTO/H8OFFSET');
//$index[$offset]['ipto'] = getip($data['IPTO']);
$index[$offset]['ipto'] = reverse($data['IPTO']);
$index[$offset]['data'] = $data['OFFSET'];
}
}
function get_index($limit = 0)
{
global $fp;
$fp = fopen('Coralwry.dat','rb');
$index_start = fread($fp,4);
$index_end = fread($fp,4);

$index_start = unpack('H*',$index_start);
$index_start = $index_start[1];
$index_end = unpack('H*',$index_end);
$index_end = $index_end[1];

$index_start = reverse($index_start);
$index_end = reverse($index_end);

$limit?$limit:$limit=(hexdec($index_end)-hexdec($index_start))/7+1;
fseek($fp,hexdec($index_start));
$i = 1;
while ($i <= $limit)
{

$seek = ftell($fp);
$data = fread($fp,7);

$data = unpack('H8IP/H6OFFSET',$data);
$index[reverse($data['IP'])] = array('ipfrom'=>reverse($data['IP']),'offset'=>reverse($data['OFFSET']));
$i++;
}
return $index;
}
function get_mode_data(&$index,$offset,$aboffset,$type)
{
global $fp;

switch ($type)
{
case 1:
{
//模式1下有 3种

echo '<br />模式一:读取信息偏移';
echo $aboffset;
fseek($fp,hexdec($aboffset));
$tag = fgetc($fp);
//2级跳转可能?国家偏移+地区数据国家偏移+地区偏移?
if($tag == chr(2))
{
$countryoffset = fread($fp,3);
$curfp = ftell($fp);
$countryoffset = unpack('H*',$countryoffset);
$countryoffset = hexdec(reverse($countryoffset[1]));
$index[$offset]['country'] = get_country($countryoffset);

$areaoffset = $curfp;
$index[$offset]['location'] = get_area($areaoffset);

}
//地区数据跟在国家数据之后无任何偏移跳转
else
{
fseek($fp,-1,SEEK_CUR);
$countryoffset = ftell($fp);
$index[$offset]['country'] = get_country($countryoffset);
//模式2下地区记录在索引偏移数据之后可能有2级跳转
$areaoffset = ftell($fp);
$index[$offset]['location'] = get_area($areaoffset);
}
break;
}
case 2:
{
//模式2下 $aboffset 为国家绝对偏移

echo '<br />模式二:读取信息偏移';
echo $aboffset;
$countryoffset = hexdec($aboffset);
$index[$offset]['country'] = get_country($countryoffset);
//模式2下地区记录在索引偏移数据之后可能有2级跳转
$areaoffset = hexdec($index[$offset]['offset'])+8;
$index[$offset]['location'] = get_area($areaoffset);
break;
}
default:
{
break;
}
}
}function get_country($countryoffset)
{
global $fp;
echo '<br />读取一级国家/地区信息偏移:';
echo strtoupper(dechex($countryoffset));
fseek($fp,$countryoffset);
$str = $c = '';
while ($c!=="\0")
{
$c = fgetc($fp);
$str .=$c;
}
echo '<br />记录信息:'.iconv('GBK','UTF-8',$str);
return iconv('GBK','UTF-8',$str);}function get_area($areaoffset)
{
global $fp;

echo '<br />读取二级地区/网络信息偏移:';
echo strtoupper(dechex($areaoffset));

fseek($fp,$areaoffset);
$str = $c = $tag = fgetc($fp);
if($tag==chr(1))
{
echo '01开头...';
exit();
}
if($tag!==chr(2))
{
while ($c!=="00")
{
$c = fread($fp,1);
$c = unpack('H*',$c);
$c = $c[1];
$str .=chr(hexdec($c));
}

echo '<br />记录信息:'.iconv('GBK','UTF-8',$str);
return iconv('GBK','UTF-8',$str);
}
else
{
echo '<br />重定向读取二级地区/网络信息偏移:';
echo strtoupper(dechex($areaoffset));

$areaoffset = fread($fp,3);
$curfp = ftell($fp);
$areaoffset = unpack('H*',$areaoffset);
$areaoffset = hexdec(reverse($areaoffset[1]));
return get_area($areaoffset);
}

}function get_location_info(&$index,$offset)
{
global $fp;
$data = $index[$offset];
$tag = substr($data['data'],0,2);
//01 010ff6
$aboffset = reverse(substr($data['data'],2));

switch ($tag)
{
case '01':
{
get_mode_data(&$index,$offset,$aboffset,1);
break;
}
case '02':
{
get_mode_data(&$index,$offset,$aboffset,2);
break;
}
default:
{

echo '<br />默认模式:';
$countryoffset = hexdec($index[$offset]['offset'])+4;
$index[$offset]['country'] = get_country($countryoffset);
//模式2下地区记录在索引偏移数据之后可能有2级跳转
$areaoffset = ftell($fp);
$index[$offset]['location'] = get_area($areaoffset);;
}
}

}
//第一步:入库时开启下面2段就可
//$index = get_index(1000);
//get_data(&$index);
//
//echo '<pre>';
//var_dump($index);
//echo '</pre>';//获得IP索引数组找出相对索引偏移
//$search_index = array_keys($index);
//echo '<pre>';
//var_dump($search_index);
//echo '</pre>';
function get_offset($ip,$min,$max)
{
global $num,$search_index;
if($min < $max)
{
$mid = intval(($min+$max)/2);
$num = $mid;
}
else
{
return $mid;
}
if(hexdec($search_index[$mid]) == $ip)
{
return $mid;
}
elseif(hexdec($search_index[$mid]) > $ip)
{
get_offset($ip,$min,$mid);
}
else
{
get_offset($ip,$mid,$max);
}
}//
//$offset = '01000000';
//get_location_info(&$index,$offset);
//
//echo '<pre>';
//var_dump($index[$offset]);
//echo '</pre>';//第二步:开启下面sql
//$connect = mysql_connect('localhost','root','mnky3cr5') or die('ss');
//$db = mysql_select_db('ip',$connect);
//foreach ($index as $offset =>$info)
//{
//mysql_query('insert into ip(`id`,`ipfrom`,`ipto`,`offset`,`data`) values(NULL,"'.$info['ipfrom'].'","'.$info['ipto'].'","'.$info['offset'].'","'.$info['data'].'")');
//}
//exit();
$index = null;
$offset = null;
$fp = fopen('Coralwry.dat','rb');
get_location($_GET['ip']);
function get_location($ip)
{
global $index,$offset;
if(preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/',$ip))
{
$ip = split('\.',$ip);
$ip = sprintf('%02X',$ip[0]).sprintf('%02X',$ip[1]).sprintf('%02X',$ip[2]).sprintf('%02X',$ip[3]);
$connect = mysql_connect('localhost','root','mnky3cr5') or die('ss');
$db = mysql_select_db('ip',$connect);
$result = mysql_query('SELECT ipfrom,ipto,offset,data FROM ip WHERE ipfrom<"'.$ip .'" AND ipto >"'.$ip.'" OR ipfrom="'.$ip .'" OR ipto ="'.$ip.'"');
//echo 'SELECT ipfrom,ipto,offset,data FROM ip WHERE ipfrom<"'.$ip .'" AND ipto >"'.$ip.'" OR ipfrom="'.$ip .'" OR ipto ="'.$ip.'"';
while (false !=($data = mysql_fetch_assoc($result)))
{
$offset = $data['ipfrom'];
$index[$offset] = $data;
// echo '<pre>';
// var_dump($index);
// echo '</pre>';

get_location_info(&$index,$offset);

$index[$offset]['ipfrom'] = getip(reverse($data['ipfrom']));
$index[$offset]['ipto'] = getip(reverse($data['ipto']));
echo '<pre>';
var_dump($index);
echo '</pre>';
}
}
else
{
echo 'IP 不合法~';
}
}?>

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写过 PHP 递归进

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写过 PHP 递归 进

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写过 PHP 递归进