d52f6805_hp_Manual_Function_curl_setopt__Set_value_to
[Option] CURLOPT_COOKIESESSION [Notes] Available since PHP 5.1.0. [Set value to] 
TRUE to mark this as a new cookie "session". It will force libcurl to ignore all cookies it is about to load that are "session cookies" from the previous session. By default, libcurl always stores and loads all cookies, independent if they are session cookies are not. Session cookies are cookies without expiry date and they are meant to be alive and existing for this "session" only.
PHP Editor Review - Php Manual Function curl-setopt
Set value to