ns_param         1100 ext/xml/xml.c  	char *ns_param = NULL;
ns_param         1105 ext/xml/xml.c  	if (zend_parse_parameters(ZEND_NUM_ARGS(), (ns_support ? "|ss": "|s"), &encoding_param, &encoding_param_len, &ns_param, &ns_param_len) == FAILURE) {
ns_param         1130 ext/xml/xml.c  	if (ns_support && ns_param == NULL){
ns_param         1131 ext/xml/xml.c  		ns_param = ":";
ns_param         1136 ext/xml/xml.c                                           &php_xml_mem_hdlrs, (XML_Char*)ns_param);