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/****************************************************************************************************************/
/* Description: This snippet is provide simple way to help user display Advertisement by Country                */
/*              suggestions for different city locations across the country.                                    */
/*              There are 1 steps in this snippet. For information, please visit IP2Location tutorial page at:  */
/* https://www.ip2location.com/tutorials/display-advertisement-by-country-using-php-and-mysql-database          */
/****************************************************************************************************************/
/* You can obtain free IP Country database for IPv6 at https://lite.ip2location.com/database/ip-country         */
 
<?php
    // Replace this MYSQL server variables with actual configuration
    $mysql_server = "mysql_server.com";
    $mysql_user_name = "UserName";
    $mysql_user_pass = "Password";
 
    // Retrieve visitor IP address from server variable REMOTE_ADDR
    $ipaddress = $_SERVER['REMOTE_ADDR'];
 
    // Convert IP address to IP number for querying database
    $ipno = Dot2LongIPv6($ipaddress);
 
    // Connect to the database server
    $link = mysqli_connect($mysql_server, $mysql_user_name, $mysql_user_pass) or die("Could not connect to MySQL database");
     
    // Connect to the database server
    mysqli_select_db($link,"ip2location") or die("Could not select database");
 
    // SQL query string to match the recordset that the IP number fall between the valid range
    $query = "SELECT * FROM ip_country WHERE $ipno <= ip_to LIMIT 1";
 
    // Execute SQL query
    $result = mysqli_query($link,$query) or die("IP2Location Query Failed");
 
    // Retrieve the recordset (only one)
    $row = mysqli_fetch_assoc($result);
 
    // Keep the country information into two different variables
    $country_code = $row['country_code'];
    $country_name = $row['country_name'];
 
    // Free recordset and close database connection
    mysqli_free_result($result); 
    mysqli_close($link);
     
    // Display ads according to visitor's country,replace this to your own code
    echo 'This is the advertisement for' . $country_name .'<br/><br/>';
     
    exit;
     
 
    // Function to convert IP address to IP number (IPv6)
    function Dot2LongIPv6 ($IPaddr) {
        $int = inet_pton($IPaddr);
        $bits = 15;
        $ipv6long = 0;
        while($bits >= 0){
            $bin = sprintf("%08b", (ord($int[$bits])));
            if($ipv6long){
                $ipv6long = $bin . $ipv6long;
            }
            else{
                $ipv6long = $bin;
            }
            $bits--;
        }
        $ipv6long = gmp_strval(gmp_init($ipv6long, 2), 10);
        return $ipv6long;
    }
?>