// settings
$refererDb = "dotreferer.html";
$refererStore = 50; // how many to store (unlimited)
$server = $_SERVER['SERVER_NAME']; // ignore local refs, set to "your domain" if you have problems
$timeStamp = date("F j, Y, g:i a");
$props = ".referer download source";
// new referer
if(!empty($_SERVER['HTTP_REFERER'])) {
$referer = $_SERVER['HTTP_REFERER'];
// check for local ref
$pos = strpos($referer, $server);
if ($pos === false) {
// read db
if(!file_exists($refererDb)) touch($refererDb);
$handle = fopen($refererDb, "r");
$refererData = fread($handle, filesize($refererDb));
fclose($handle);
// add referer
$refererData = "".$referer." ".$timeStamp."
".$refererData;
$refererArray = explode("
", $refererData); $referers = "";
$count = count($refererArray); if ($count < $refererStore) $refererStore = $count;
for ($i = 0; $i < $refererStore; $i++) {
$referers .= $refererArray[$i]."
";
}
// write db
$handle = fopen($refererDb, "w");
$pos = strpos($referers, $props);
if ($pos === false) { $referers = $referers."
".$props; fwrite($handle, $referers); }
else { fwrite($handle, $referers); }
fclose($handle);
}
}
?>