d52f6805_hp_Manual_Function_curl_setopt__Set_value_to
[Option] CURLOPT_UNRESTRICTED_AUTH [Notes] Added in PHP 5.0.0. [Set value to] 
TRUE to keep sending the username and password when following locations (using CURLOPT_FOLLOWLOCATION), even when the hostname has changed.
PHP Editor Review - Php Manual Function curl-setopt
Set value to