php refresher counter

<?php
/* Template Name: Szabloner */

    $cookie_name = "refreshes";
    $cookie_value = "Refreshes";


    setcookie($cookie_name, $cookie_value, time() + (15), "/");


    if(!isset($_COOKIE[$cookie_name])) {
        echo "Cookie named '" . $cookie_name . "' is not set!";
    } else {
        echo "Cookie '" . $cookie_name . "' is set!<br>";
        echo "Value is: " . $_COOKIE[$cookie_name];
    }

session_start();
    if (!isset($_SESSION["visits"]))
        $_SESSION["visits"] = 0;
    $_SESSION["visits"] = $_SESSION["visits"] + 1;

    if ($_SESSION["visits"] > 1) {
        echo "<br>siema odswiezyles";
    } else {
        echo "Dopiero tutaj przyszedłeś? To weź odśwież";
    }

    //licznik odświeżeń
    echo "<br>Odświeżyłeś stronę ".$_SESSION["visits"]." raz/y";

    echo "<br><br>";

    // echo "strstr: ";
    $ref = strstr($_SERVER["HTTP_REFERER"], "://");
    $ref = substr($ref, 3, strlen($ref)-3);
    if (substr($ref, -1) == "/") {
        $ref = substr($ref, 0, -1);
    }

    // echo $ref."<br>";

    if (strstr($_SERVER["HTTP_REFERER"], $_SERVER["HOST"]) !==False) {
        echo "Ten sam";
    } else {
        echo "Inny";
    }

    echo "<br><br>";
foreach($_SERVER as $k => $v){
    echo '<b>'.$k.':</b> '.$v."<br>";
}



?>