Clear cache di setiap transaksi nusoap

set ini_set("soap.wsdl_cache_enabled", "0"); in every file you use soap from, or set wsdl_cache_enabled to 0 in your php.ini file.

[soap]
; Enables or disables WSDL caching feature.
soap.wsdl_cache_enabled=0

$client = new SoapClient('http://somewhere.com/?wsdl', array('cache_wsdl' => WSDL_CACHE_NONE) );