diff -c -r php-5.3.0-orig/ext/dom/documenttype.c php-5.3.0/ext/dom/documenttype.c
*** php-5.3.0-orig/ext/dom/documenttype.c	2008-12-31 20:15:36.000000000 +0900
--- php-5.3.0/ext/dom/documenttype.c	2013-11-05 01:54:17.000000000 +0900
***************
*** 206,212 ****
--- 206,216 ----
  		if (buff != NULL) {
  			xmlNodeDumpOutput (buff, NULL, (xmlNodePtr) intsubset, 0, 0, NULL);
  			xmlOutputBufferFlush(buff);
+ #ifdef LIBXML2_NEW_BUFFER
+ 			strintsubset = xmlStrndup(xmlOutputBufferGetContent(buff), xmlOutputBufferGetSize(buff));
+ #else
  			strintsubset = xmlStrndup(buff->buffer->content, buff->buffer->use);
+ #endif
  			(void)xmlOutputBufferClose(buff);
  			ZVAL_STRING(*retval, (char *) strintsubset, 1);
  			return SUCCESS;
diff -c -r php-5.3.0-orig/ext/dom/node.c php-5.3.0/ext/dom/node.c
*** php-5.3.0-orig/ext/dom/node.c	2009-03-13 22:43:29.000000000 +0900
--- php-5.3.0/ext/dom/node.c	2013-11-05 01:54:17.000000000 +0900
***************
*** 1900,1908 ****
--- 1900,1916 ----
          RETVAL_FALSE;
      } else {
  		if (mode == 0) {
+ #ifdef LIBXML2_NEW_BUFFER
+ 			ret = xmlOutputBufferGetSize(buf);
+ #else
  			ret = buf->buffer->use;
+ #endif
  			if (ret > 0) {
+ #ifdef LIBXML2_NEW_BUFFER
+ 				RETVAL_STRINGL((char *) xmlOutputBufferGetContent(buf), ret, 1);
+ #else
  				RETVAL_STRINGL((char *) buf->buffer->content, ret, 1);
+ #endif
  			} else {
  				RETVAL_EMPTY_STRING();
  			}
diff -c -r php-5.3.0-orig/ext/simplexml/simplexml.c php-5.3.0/ext/simplexml/simplexml.c
*** php-5.3.0-orig/ext/simplexml/simplexml.c	2009-06-11 18:41:15.000000000 +0900
--- php-5.3.0/ext/simplexml/simplexml.c	2013-11-05 01:54:17.000000000 +0900
***************
*** 1379,1385 ****
--- 1379,1389 ----
  
  			xmlNodeDumpOutput(outbuf, (xmlDocPtr) sxe->document->ptr, node, 0, 0, ((xmlDocPtr) sxe->document->ptr)->encoding);
  			xmlOutputBufferFlush(outbuf);
+ #ifdef LIBXML2_NEW_BUFFER
+ 			RETVAL_STRINGL((char *)xmlOutputBufferGetContent(outbuf), xmlOutputBufferGetSize(outbuf), 1);
+ #else
  			RETVAL_STRINGL((char *)outbuf->buffer->content, outbuf->buffer->use, 1);
+ #endif
  			xmlOutputBufferClose(outbuf);
  		}
  	} else {