Untitled

<?php
session_start();
header('Cache-Control: public, s-maxage=300');
?>
<!doctype html>
<html>
<head><title>Varnish test</title></head>
<body>
<h1>Varnish ESI test</h1>
</pre>
<hr>
<p><?php echo microtime(true); ?> should not be equal to :</p>
<esi:include src="/esi.php" />
<hr>

<?php
header('Cache-Control: private');
header('Cache-Control: maxage="0"');
header('Cache-Control: s-maxage="0"');
header('Pragma: no-cache');
echo microtime(true);
?>
<br>which should not be cached and greater than the other!

sub vcl_recv {
    set req.http.X-Xunset = "";
    set req.http.X-Esi-Level="";

    #SYMFONY ESI
    set req.http.Surrogate-Capability = "abc=ESI/1.0";
    if (req.url ~ "esi.php"){
        return (pass);
    }
    if (req.url ~ "page.php"){
#       unset req.http.Cookie;
        set req.http.X-Xunset = "unset";
        return (hash);
    }

}

sub vcl_backend_response {
    set beresp.do_esi = true;
    if(bereq.http.X-Xunset == "unset"  ){
        set beresp.http.X-Xunset = "unset";
        unset beresp.http.set-cookie;
        return(deliver);
      }

}

sub vcl_deliver {
    if (resp.http.x-varnish ~ " ") {
        set resp.http.x-cache = "HIT";
    } else {
        set resp.http.x-cache = "MISS";
    }
}