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<?php
/**
* phpIp2Country class
*
* @author Mariusz Górski
* @copyright 2008 Mariusz Górski
* @name phpIp2Country
* @version 1.0
* @link http://code.google.com/p/php-ip-2-country/
*
* @todo (static?) function to get full countries list
*/
define('IP_STR',1);
define('IP_VALUE',2);
define('IP_RANGE_NUMERICAL',3);
define('IP_RANGE',4);
define('IP_REGISTRY',5);
define('IP_ASSIGNED_UNIXTIME',6);
define('IP_COUNTRY_ISO',7);
define('IP_COUNTRY_CODE',8);
define('IP_COUNTRY_NAME',9);
define('IP_INFO',10);
class phpIp2Country {
/**
* @param string $ip
* @param ip $method
*/
function __construct($ip,$dbConfig=array()){
if(!$this->chceckIpAddr($ip)){
//die('Bad IP address! Should be in xxx.xxx.xxx.xxx format!');
return;
}else{
$this->ip = $ip;
}
if(!is_array($dbConfig)){
die('Error! Database configuration not set! #1');
}else{
$this->dbConfig = $dbConfig;
}
$this->dbConnect();
$this->ipArr = $this->getIpArr();
$this->ipValue = $this->getIpValue();
$this->ipInfoArr = $this->dbGetRow($this->getIpSelectSQL());
if(!$this->ipInfoArr){
die ('Error during reciving informations about IP address!');
}else{
$this->ipInfoArr['IP_STR'] = $this->ip;
$this->ipInfoArr['IP_VALUE'] = $this->ipValue;
$this->ipInfoArr['IP_FROM_STR'] = $this->getIpFromValue($this->ipInfoArr['IP_FROM']);
$this->ipInfoArr['IP_TO_STR'] = $this->getIpFromValue($this->ipInfoArr['IP_TO']);
}
}
function __destruct(){
if($this->db)
mysql_close($this->db);
}
/**
* IP address
*
* @var string
*/
public $ip = '';
/**
* Numerical representation of IP address
* Example: (from Right to Left)
* 1.2.3.4 = 4 + (3 * 256) + (2 * 256 * 256) + (1 * 256 * 256 * 256)
* is 4 + 768 + 13,1072 + 16,777,216 = 16,909,060
* @var integer
*/
private $ipValue = NULL;
/**
* database conection configuration
* feel free to replece our db conection and use Your favorite database abstraction layer (ie. ADOdb)
*
* @var array
*/
public $dbConfig = array();
/**
* database conection object
* feel free to replece our db conection and use Your favorite database abstraction layer (ie. ADOdb)
*
* @var object
*/
public $db = false;
/**
* IP address in form of array of integer values
*
* @var string
*/
private $ipArr = array();
/**
* IP address information array
*
* @var string
*/
private $ipInfoArr = false;
/**
* returns information about IP adrress
*
* @param integer $mode
* @return mixed
*/
public function getInfo($mode=IP_INFO){
if(!in_array($mode,array( IP_STR , IP_VALUE, IP_RANGE_NUMERICAL, IP_RANGE, IP_REGISTRY, IP_ASSIGNED_UNIXTIME , IP_COUNTRY_ISO, IP_COUNTRY_CODE, IP_COUNTRY_NAME, IP_INFO, ))){
die('Error! Bad getInfo() mode!');
}else switch($mode){
case IP_STR:
return $this->ipInfoArr['IP_STR'];
break;
case IP_VALUE:
return $this->ipInfoArr['IP_VALUE'];
break;
case IP_RANGE_NUMERICAL:
return array(
'FROM' => $this->ipInfoArr['IP_FROM'],
'TO' => $this->ipInfoArr['IP_TO']
);
break;
case IP_RANGE:
return array(
'FROM' => $this->ipInfoArr['IP_FROM_STR'],
'TO' => $this->ipInfoArr['IP_TO_STR']
);
break;
case IP_REGISTRY:
return $this->ipInfoArr['REGISTRY'];
break;
case IP_ASSIGNED_UNIXTIME:
return $this->ipInfoArr['ASSIGNED'];
break;
case IP_COUNTRY_ISO:
return $this->ipInfoArr['CTRY'];
break;
case IP_COUNTRY_CODE:
return $this->ipInfoArr['CNTRY'];
break;
case IP_COUNTRY_NAME:
return $this->ipInfoArr['COUNTRY'];
break;
case IP_INFO:
default:
return $this->ipInfoArr;
break;
}
}
/**
* validate IP address
*
* @param string $ip
* @return boolean
*/
private function chceckIpAddr($ip=''){
return preg_match('/^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/i',$ip);
}
/**
* returns IP address in array of integer values
*
* @return array
*/
private function getIpArr(){
$vars = explode('.',$this->ip);
return array(
intval($vars[0]),
intval($vars[1]),
intval($vars[2]),
intval($vars[3])
);
}
/**
* returns numerical representation of IP address.
* Example: (from Right to Left)
* 1.2.3.4 = 4 + (3 * 256) + (2 * 256 * 256) + (1 * 256 * 256 * 256)
* is 4 + 768 + 13,1072 + 16,777,216 = 16,909,060
*
* @return integer
*/
private function getIpValue(){
return $this->ipArr[3] + ( $this->ipArr[2] * 256 ) + ( $this->ipArr[1] * 256 * 256 ) + ( $this->ipArr[0] * 256 * 256 * 256 );
}
/**
* returns IP numer from numerical representation.
* Example: (from Right to Left)
* 1.2.3.4 = 4 + (3 * 256) + (2 * 256 * 256) + (1 * 256 * 256 * 256)
* is 4 + 768 + 13,1072 + 16,777,216 = 16,909,060
*
* @param integer $value
* @param boolean $returnAsStr
* @return mixed
*/
private function getIpFromValue($value=0,$returnAsStr=true){
$ip[0] = floor( intval($value) / (256*256*256) );
$ip[1] = floor( ( intval($value) - $ip[0]*256*256*256 ) / (256*256) );
$ip[2] = floor( ( intval($value) -$ip[0]*256*256*256 -$ip[1]*256*256 ) / 256 );
$ip[3] = intval($value) - $ip[0]*256*256*256 - $ip[1]*256*256 - $ip[2]*256;
if($returnAsStr){
return $ip[0].'.'.$ip[1].'.'.$ip[2].'.'.$ip[3];
}else{
return $ip;
}
}
/**
* returns SQL used to get iformation from ip2country database
*
* @return string
*/
private function getIpSelectSQL(){
if(empty($this->dbConfig['tableName'])){
$this->dbConfig['tableName'] = 'ip_to_country'; //setting default mysql port name
echo "phpPp2Country table name not selected! traying default value: '".$this->dbConfig['tableName']."'";
}
return 'SELECT * FROM '.$this->dbConfig['tableName'].' WHERE IP_FROM <= '.$this->ipValue.' AND IP_TO >= '.$this->ipValue;
}
/**
* connect to database
* feel free to replece our function and use here Your favorite(s) database abstraction layer (ie. ADOdb)
*
* @return object - database conection resource
*/
private function dbConnect(){
if(is_array($this->dbConfig)){
if(empty($this->dbConfig['host'])){
$this->dbConfig['host'] = 'localhost'; //setting default mysql port name
echo "Database connection host not selected! traying default value: '".$this->dbConfig['port']."'";
}
if(intval($this->dbConfig['port']==0)){
$this->dbConfig['port'] = 3306; //setting default mysql port name
echo "Database connection port not selected! traying default value: '".$this->dbConfig['port']."'";
}
if(empty($this->dbConfig['dbUserName'])){
$this->dbConfig['dbUserName'] = 'ip_to_country'; //setting default mysql port name
echo "Database connection host not selected! traying default value: '".$this->dbConfig['dbUserName']."'";
}
if(empty($this->dbConfig['dbUserPassword'])){
$this->dbConfig['dbUserPassword'] = 'xxx'; //setting default mysql port name
echo "Database connection host not selected! traying default value: '".$this->dbConfig['dbUserPassword']."'";
}
$this->db = mysql_connect($this->dbConfig['host'].':'.$this->dbConfig['port'], $this->dbConfig['dbUserName'], $this->dbConfig['dbUserPassword']);
if (!$this->db) {
die('Database connection error: ' . mysql_error());
}else{
if(empty($this->dbConfig['dbName'])){
$this->dbConfig['dbName'] = 'ip_to_country'; //setting default mysql port name
echo "Database connection host not selected! traying default value: '".$this->dbConfig['dbName']."'";
}
if( !mysql_select_db( $this->dbConfig['dbName'] , $this->db ) ){
die("Error during selecting database '".$this->dbConfig['dbName']."' : ". mysql_error());
}else{
return true;
}
}
}else{
die('Error! Database configuration not set! #2');
}
}
/**
* executes given SQL querry and returns one row
* feel free to replece our function and use here Your favorite(s) database abstraction layer (ie. ADOdb)
*
* @param string $sql
* @return array
*/
private function dbGetRow($sql){
global $memcache;
$key_ip = md5('getip'.$sql); // Unique Words
$cache_result_ip = $memcache->get($key_ip); // Memcached object
if($cache_result_ip)
{
$row = $cache_result_ip;
return $row;
}else {
$result = mysql_query($sql);
if ($result) {
$row = mysql_fetch_assoc($result);
if ($row) {
$memcache->set($key_ip, $row, MEMCACHE_COMPRESSED, 1200);
return $row;
}
}
}
die("Error during database querry:" . mysql_error());
}
}