Expose the xml_utf8_encode function.

Author: Ilia Alshanetsky

ext/xml/php_xml.h

@@ -141,6 +141,7 @@ PHP_FUNCTION(xml_parse_into_struct);
 
 PHPAPI char *_xml_zval_strdup(zval *val);
 PHPAPI char *xml_utf8_decode(const XML_Char *, int, int *, const XML_Char *);
+PHPAPI char *xml_utf8_encode(const char *s, int len, int *newlen, const XML_Char *encoding);
 
 #endif /* HAVE_LIBEXPAT */
 

ext/xml/xml.c

@@ -79,7 +79,6 @@ inline static unsigned short xml_encode_iso_8859_1(unsigned char);
 inline static char xml_decode_iso_8859_1(unsigned short);
 inline static unsigned short xml_encode_us_ascii(unsigned char);
 inline static char xml_decode_us_ascii(unsigned short);
-static XML_Char *xml_utf8_encode(const char *, int, int *, const XML_Char *);
 static zval *xml_call_handler(xml_parser *, zval *, zend_function *, int, zval **);
 static zval *_xml_xmlchar_zval(const XML_Char *, int, const XML_Char *);
 static int _xml_xmlcharlen(const XML_Char *);
@@ -497,7 +496,7 @@ static xml_encoding *xml_get_encoding(const XML_Char *name)
 /* }}} */
 
 /* {{{ xml_utf8_encode */
-static XML_Char *xml_utf8_encode(const char *s, int len, int *newlen, const XML_Char *encoding)
+PHPAPI char *xml_utf8_encode(const char *s, int len, int *newlen, const XML_Char *encoding)
 {
 	int pos = len;
 	char *newbuf;