Save IP address and referrer of our page Let's suppose we want to record the IP address and Referrer of all visitors to our page. The script bellow may be placed within the code of our page and it will create two files to store both data: "ips_file.txt" to store IP addresses and "ref_file.txt" to store referrers. Additionally, this script may be…

saveIPandReferer.php

<?
// save ip
$ip=$_SERVER["REMOTE_ADDR"];
if ($ip!=""){
        $ipfile= "ips_file.txt";
        $allips =  file_get_contents ($ipfile);
         if (strpos($allips," $ip ")>0){
                  $allips = preg_replace ("/ $ip /"," $ip x",$allips);
                  $tempvar= fopen($ipfile, "w");
                  fwrite ($tempvar, $allips);
                  fclose($tempvar);
       }else{
                  $tempvar = fopen($ipfile, "a");
                  fwrite ($tempvar, " $ip x\n");
                  fclose($tempvar);
        }
}

// save referrer
$ref=$_SERVER["HTTP_REFERER"];
if (strpos($ref,"mydomain.com")==0 and $ref!=""){
        $refffile= "ref_file.txt";
        $tempvar = fopen($refffile, "a");
        fwrite ($tempvar, $ref."\n");
        fclose($tempvar);
}
?>