Cookies disappear on certain pages

Your script was very good. maybe this is a mistake in writing my script. I make a request to some page with a specific sequence. all pages successfully requested. but there is a page where cookies are not registered / disappear.

below the header data is successfully requested.

Below is the result of a request header.
This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/Logon
-------------------------------------------------------------------------------------------------------------------------
Host: luxonline.luxottica.com
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Pragma: nocache
Content-Type: application/x-www-form-urlencoded
Content-Length: 129
http/1.1 200 ok:
date: Tue, 05 Oct 2010 05:11:10 GMT
server: WebSphere Application Server/5.0
expires: Thu, 01 Dec 1994 16:00:00 GMT
set-cookie: WC_USERSESSION_743844=743844%2c%2d1%2cEUR%2c%2d2000%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2c%5b10001%7c10001%7c10001%7cnull%7c%2d2000%5d%2cB6Jmk9AIFmMSyp0GFq9oRu2%2bzRA%3d;Path=/
cache-control: private
transfer-encoding: chunked
content-type: text/html; charset=UTF-8
content-language: it-IT


Below is the result of a request header.
This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogBrandSelection
-------------------------------------------------------------------------------------------------------------------------
Host: luxonline.luxottica.com
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Pragma: nocache
Content-Type: application/x-www-form-urlencoded
Content-Length: 110
http/1.1 200 ok:
date: Tue, 05 Oct 2010 05:11:17 GMT
server: WebSphere Application Server/5.0
expires: Thu, 01 Dec 1994 16:00:00 GMT
set-cookie: WC_USERSESSION_743844=743844%2c%2d1%2cEUR%2c%2d2000%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2c%5b10001%7c10001%7c10001%7cnull%7c%2d2000%5d%2cB6Jmk9AIFmMSyp0GFq9oRu2%2bzRA%3d;Path=/
cache-control: private
transfer-encoding: chunked
content-type: text/html; charset=UTF-8
content-language: it-IT


Below is the result of a request header.
This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogModelSelection
-------------------------------------------------------------------------------------------------------------------------
Host: luxonline.luxottica.com
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Pragma: nocache
Content-Type: application/x-www-form-urlencoded
Content-Length: 233
http/1.1 200 ok:
date: Tue, 05 Oct 2010 05:11:20 GMT
server: WebSphere Application Server/5.0
expires: Thu, 01 Dec 1994 16:00:00 GMT
set-cookie: WC_USERSESSION_743844=743844%2c%2d1%2cEUR%2c%2d2000%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2c%5b10001%7c10001%7c10001%7cnull%7c%2d2000%5d%2cB6Jmk9AIFmMSyp0GFq9oRu2%2bzRA%3d;Path=/
cache-control: private
transfer-encoding: chunked
content-type: text/html; charset=UTF-8
content-language: it-IT


Below is the result of a request header.
This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogSKUSelection
Here, the cookie disappears. In contrast to the request on another page, here there is no cookie.
-------------------------------------------------------------------------------------------------------------------------
Host: luxonline.luxottica.com
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Pragma: nocache
Content-Type: application/x-www-form-urlencoded
Content-Length: 374
http/1.1 200 ok:
date: Tue, 05 Oct 2010 05:11:25 GMT
server: WebSphere Application Server/5.0
transfer-encoding: chunked
content-type: text/html; charset=UTF-8
content-language: it-IT


Below is the result of a request header.
This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogModelSelection
Here cookies are still available!
-------------------------------------------------------------------------------------------------------------------------
Host: luxonline.luxottica.com
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)
Pragma: nocache
Content-Type: application/x-www-form-urlencoded
Content-Length: 233
http/1.1 200 ok:
date: Tue, 05 Oct 2010 05:11:29 GMT
server: WebSphere Application Server/5.0
expires: Thu, 01 Dec 1994 16:00:00 GMT
set-cookie: WC_USERSESSION_743844=743844%2c%2d1%2cEUR%2c%2d2000%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2cnull%2c%5b10001%7c10001%7c10001%7cnull%7c%2d2000%5d%2cB6Jmk9AIFmMSyp0GFq9oRu2%2bzRA%3d;Path=/
cache-control: private
transfer-encoding: chunked
content-type: text/html; charset=UTF-8
content-language: it-IT





Please help me what is wrong here?
Thank you very much.

This is my code.

<?php
require("http.php");

set_time_limit(0);
$http=new http_class;

$http->timeout=0;
$http->data_timeout=0;
$http->debug=0;
$http->html_debug=0;
$http->user_agent="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)";
$http->follow_redirect=1;
$http->redirection_limit=5;
$http->exclude_address="";
$http->prefer_curl=0;

$user="";
$password="";
$realm=""; /* Authentication realm or domain */
$workstation=""; /* Workstation for NTLM authentication */
$authentication=(strlen($user) ? UrlEncode($user).":".UrlEncode($password)."@" : "");

$url="http://luxonline.luxottica.com/webapp/wcs/stores/servlet/Logon";
echo "<hr>Below is the result of a request header.<br>";
echo "This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/Logon";
echo "-------------------------------------------------------------------------------------------------------------------------<hr><br>";

$error=$http->GetRequestArguments($url,$arguments);
$arguments["RequestMethod"]="POST";
unset($arguments["PostValues"]);
$arguments["PostValues"]=array(
"storeId"=>"10001",
"langId"=>"-1",
"reLogonURL"=>"LogonForm",
"URL"=>"HomePage",
"reserverd_viewname"=>"HomePage",
"logonId"=>"nlcu00123680",
"logonPassword"=>"xxxxxx"
);

$arguments["Referer"]="";
if(strlen($realm))
$arguments["AuthRealm"]=$realm;

if(strlen($workstation))
$arguments["AuthWorkstation"]=$workstation;

$http->authentication_mechanism=""; // force a given authentication mechanism;

$arguments["Headers"]["Pragma"]="nocache";
$error=$http->Open($arguments);

if($error=="")
{
$error=$http->SendRequest($arguments);

if($error=="")
{
for(Reset($http->request_headers),$header=0;$header<count($http->request_headers);Next($http->request_headers),$header++)
{
$header_name=Key($http->request_headers);
if(GetType($http->request_headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($http->request_headers[$header_name]);$header_value++)
echo $header_name.": ".$http->request_headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$http->request_headers[$header_name],"\r\n<br>";
}
flush();
$headers=array();
$error=$http->ReadReplyHeaders($headers);
if($error=="")
{
for(Reset($headers),$header=0;$header<count($headers);Next($headers),$header++)
{
$header_name=Key($headers);
if(GetType($headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($headers[$header_name]);$header_value++)
echo $header_name.": ".$headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$headers[$header_name],"\r\n<br>";
}
flush();
for(;;)
{
$error=$http->ReadReplyBody($body,1000);
if($error!=""
|| strlen($body)==0)
break;
}
flush();
}
}

$http->Close();
}


/* NEXT PAGE --------------------------------------------------------------------------------------*/
$url="http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogBrandSelection";
echo "<hr>Below is the result of a request header.<br>";
echo "This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogBrandSelection";
echo "-------------------------------------------------------------------------------------------------------------------------<hr><br>";

$error=$http->GetRequestArguments($url,$arguments);
$arguments["RequestMethod"]="POST";
unset($arguments["PostValues"]);
$arguments["PostValues"]=array(
"storeId"=>"10001",
"langId"=>"-1",
"reserverd_prevUrl"=>"CatalogBrandSelection",
"reserverd_url"=>"home",
"reserverd_viewname"=>"HomePage"
);

$arguments["Referer"]="";
if(strlen($realm))
$arguments["AuthRealm"]=$realm;

if(strlen($workstation))
$arguments["AuthWorkstation"]=$workstation;

$http->authentication_mechanism=""; // force a given authentication mechanism;
$arguments["Headers"]["Pragma"]="nocache";

$error=$http->Open($arguments);

if($error=="")
{
$error=$http->SendRequest($arguments);

if($error=="")
{
for(Reset($http->request_headers),$header=0;$header<count($http->request_headers);Next($http->request_headers),$header++)
{
$header_name=Key($http->request_headers);
if(GetType($http->request_headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($http->request_headers[$header_name]);$header_value++)
echo $header_name.": ".$http->request_headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$http->request_headers[$header_name],"\r\n<br>";
}
flush();

$headers=array();
$error=$http->ReadReplyHeaders($headers);
if($error=="")
{
for(Reset($headers),$header=0;$header<count($headers);Next($headers),$header++)
{
$header_name=Key($headers);
if(GetType($headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($headers[$header_name]);$header_value++)
echo $header_name.": ".$headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$headers[$header_name],"\r\n<br>";
}
flush();
for(;;)
{
$error=$http->ReadReplyBody($body,1000);
if($error!=""
|| strlen($body)==0)
break;
}
flush();
}
}

$http->Close();
}

/* NEXT PAGE --------------------------------------------------------------------------------------*/
$url="http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogModelSelection";
echo "<hr>Below is the result of a request header.<br>";
echo "This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogModelSelection";
echo "-------------------------------------------------------------------------------------------------------------------------<hr><br>";

$error=$http->GetRequestArguments($url,$arguments);
$arguments["RequestMethod"]="POST";
unset($arguments["PostValues"]);
$arguments["PostValues"]=array(
"storeId"=>"10001",
"langId"=>"-1",
"reserverd_prevUrl"=>"Home",
"reserverd_url"=>"CatalogBrandSelection",
"reserverd_viewname"=>"CatalogBrandSelectionPage",
"brand_id"=>"10559",
"catalog_inOrderSheet"=>"T",
"catalog_accesss_from_brand_selection"=>"T",
"PriceVisibilitySelection"=>"002"
);

$arguments["Referer"]="";
if(strlen($realm))
$arguments["AuthRealm"]=$realm;

if(strlen($workstation))
$arguments["AuthWorkstation"]=$workstation;

$http->authentication_mechanism=""; // force a given authentication mechanism;

$arguments["Headers"]["Pragma"]="nocache";
$error=$http->Open($arguments);

if($error=="")
{
$error=$http->SendRequest($arguments);

if($error=="")
{
for(Reset($http->request_headers),$header=0;$header<count($http->request_headers);Next($http->request_headers),$header++)
{
$header_name=Key($http->request_headers);
if(GetType($http->request_headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($http->request_headers[$header_name]);$header_value++)
echo $header_name.": ".$http->request_headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$http->request_headers[$header_name],"\r\n<br>";
}
flush();

$headers=array();
$error=$http->ReadReplyHeaders($headers);
if($error=="")
{
for(Reset($headers),$header=0;$header<count($headers);Next($headers),$header++)
{
$header_name=Key($headers);
if(GetType($headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($headers[$header_name]);$header_value++)
echo $header_name.": ".$headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$headers[$header_name],"\r\n<br>";
}
flush();
$output = "";
for(;;)
{
$error=$http->ReadReplyBody($body,1000);
if($error!=""
|| strlen($body)==0)
break;
$output .= $body;
}
flush();
}
}

$http->Close();
}

/* NEXT PAGE --------------------------------------------------------------------------------------*/
$url="http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogSKUSelection";
echo "<hr>Below is the result of a request header.<br>";
echo "This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogSKUSelection<br>";
echo "Here, the cookie disappears. In contrast to the request on another page, here there is no cookie.";
echo "-------------------------------------------------------------------------------------------------------------------------<hr><br>";

$error=$http->GetRequestArguments($url,$arguments);

$arguments["RequestMethod"]="POST";
unset($arguments["PostValues"]);
$arguments["PostValues"]=array(
"storeId"=>"10001",
"reserverd_prevUrl"=>"CatalogBrandSelection",
"reserverd_url"=>"CatalogModelSelection",
"reserverd_viewname"=>"CatalogModelSelectionPage",
"langId"=>"-1",
"model_id"=>"357161",
"control_updBackProps"=>"T",
"update_order_sheet_properties"=>"",
"update_model_rendering"=>"",
"brand_id"=>"10559",
"PriceVisibilitySelection"=>"002",
"catalog_access_from_simple_search"=>"T",
"ssearch_key"=>"",
"model_rendering"=>"001",
"catalog_inOrderSheet"=>"T"
);

$arguments["Referer"]="";
if(strlen($realm))
$arguments["AuthRealm"]=$realm;

if(strlen($workstation))
$arguments["AuthWorkstation"]=$workstation;

$http->authentication_mechanism=""; // force a given authentication mechanism;
$arguments["Headers"]["Pragma"]="nocache";
$error=$http->Open($arguments);

if($error=="")
{
$error=$http->SendRequest($arguments);

if($error=="")
{
for(Reset($http->request_headers),$header=0;$header<count($http->request_headers);Next($http->request_headers),$header++)
{
$header_name=Key($http->request_headers);
if(GetType($http->request_headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($http->request_headers[$header_name]);$header_value++)
echo $header_name.": ".$http->request_headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$http->request_headers[$header_name],"\r\n<br>";
}
flush();

$headers=array();
$error=$http->ReadReplyHeaders($headers);
if($error=="")
{
for(Reset($headers),$header=0;$header<count($headers);Next($headers),$header++)
{
$header_name=Key($headers);
if(GetType($headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($headers[$header_name]);$header_value++)
echo $header_name.": ".$headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$headers[$header_name],"\r\n<br>";
}
flush();
$output = "";
for(;;)
{
$error=$http->ReadReplyBody($body,1000);
if($error!=""
|| strlen($body)==0)
break;
$output .= $body;
}
flush();
}
}

$http->Close();
}


/* NEXT PAGE --------------------------------------------------------------------------------------*/

$url="http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogModelSelection";
echo "<hr>Below is the result of a request header.<br>";
echo "This is request from http://luxonline.luxottica.com/webapp/wcs/stores/servlet/CatalogModelSelection<br>";
echo "Here cookies are still available!";
echo "-------------------------------------------------------------------------------------------------------------------------<hr><br>";


$error=$http->GetRequestArguments($url,$arguments);
$arguments["RequestMethod"]="POST";
unset($arguments["PostValues"]);
$arguments["PostValues"]=array(
"storeId"=>"10001",
"langId"=>"-1",
"reserverd_prevUrl"=>"Home",
"reserverd_url"=>"CatalogBrandSelection",
"reserverd_viewname"=>"CatalogBrandSelectionPage",
"brand_id"=>"10559",
"catalog_inOrderSheet"=>"T",
"catalog_accesss_from_brand_selection"=>"T",
"PriceVisibilitySelection"=>"002"
);

$arguments["Referer"]="";
if(strlen($realm))
$arguments["AuthRealm"]=$realm;

if(strlen($workstation))
$arguments["AuthWorkstation"]=$workstation;

$http->authentication_mechanism=""; // force a given authentication mechanism;
$arguments["Headers"]["Pragma"]="nocache";
$error=$http->Open($arguments);

if($error=="")
{
$error=$http->SendRequest($arguments);

if($error=="")
{
for(Reset($http->request_headers),$header=0;$header<count($http->request_headers);Next($http->request_headers),$header++)
{
$header_name=Key($http->request_headers);
if(GetType($http->request_headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($http->request_headers[$header_name]);$header_value++)
echo $header_name.": ".$http->request_headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$http->request_headers[$header_name],"\r\n<br>";
}
flush();

$headers=array();
$error=$http->ReadReplyHeaders($headers);
if($error=="")
{
for(Reset($headers),$header=0;$header<count($headers);Next($headers),$header++)
{
$header_name=Key($headers);
if(GetType($headers[$header_name])=="array")
{
for($header_value=0;$header_value<count($headers[$header_name]);$header_value++)
echo $header_name.": ".$headers[$header_name][$header_value],"\r\n<br>";
}
else
echo $header_name.": ".$headers[$header_name],"\r\n<br>";
}
flush();
$output = "";
for(;;)
{
$error=$http->ReadReplyBody($body,1000);
if($error!=""
|| strlen($body)==0)
break;
$output .= $body;
}
flush();
}
}

$http->Close();
}

if(strlen($error))
echo "<CENTER><H2>Error: ",$error,"</H2><CENTER>\n";
?>