<?php

mysql_connect('sql2.cluster1.easy-hebergement.net', 'blindtestmice2', '**********') or die(mysql_error());
mysql_select_db('blindtestmice2');

$timestamp = time();
$ip = $_SERVER["REMOTE_ADDR"];

$retour = mysql_query("SELECT COUNT(*) AS nbre_entrees FROM online WHERE ip='".$ip."' ");
$donnees = mysql_fetch_array($retour);

if($donnees['nbre_entrees'] == 0) {
    mysql_query("INSERT INTO online VALUES('', '".$ip."', '".$timestamp."') ");
} else {
    mysql_query("UPDATE online SET timestamp='".$timestamp."' WHERE ip='".$ip."' ");
}

$timestamp_5min = $timestamp - (60 * 5);
mysql_query("DELETE FROM online WHERE timestamp < ".$timestamp_5min);

mysql_close();

?>
<script>
window.setInterval(function(){
    document.location.reload();
}, 20000);
</script>