xmlReadFile      2211 ext/simplexml/simplexml.c 	docp = xmlReadFile(filename, NULL, (int)options);
xmlReadFile      2315 ext/simplexml/simplexml.c 	docp = is_url ? xmlReadFile(data, NULL, (int)options) : xmlReadMemory(data, (int)data_len, NULL, NULL, (int)options);