xml_utf8_encode   378 ext/wddx/wddx.c 		enc = xml_utf8_encode(buf, buf_len, &enc_len, "ISO-8859-1");
xml_utf8_encode   144 ext/xml/php_xml.h PHPAPI char *xml_utf8_encode(const char *s, int len, int *newlen, const XML_Char *encoding);
xml_utf8_encode  1620 ext/xml/xml.c  	encoded = xml_utf8_encode(Z_STRVAL_PP(arg), Z_STRLEN_PP(arg), &len, "ISO-8859-1");