Fixed memory leaks

Zend/zend.c

@@ -727,8 +727,24 @@ static void zend_u_function_dtor(zend_function *function)
 	TSRMLS_FETCH();
 
 	destroy_zend_function(function TSRMLS_CC);
-	if (function->type == ZEND_INTERNAL_FUNCTION && function->common.function_name) {
-		free(function->common.function_name);
+	if (function->type == ZEND_INTERNAL_FUNCTION) {
+		if (function->common.function_name) {
+			free(function->common.function_name);
+		}
+		if (function->common.arg_info) {
+			int n = function->common.num_args;
+
+			while (n > 0) {
+		  	--n;
+			  if (function->common.arg_info[n].name) {
+			  	free(function->common.arg_info[n].name);
+			  }
+			  if (function->common.arg_info[n].class_name) {
+					free(function->common.arg_info[n].class_name);
+				}
+		  }
+			free(function->common.arg_info);
+		}
 	}
 }
 

ext/libxml/libxml.c

@@ -798,11 +798,14 @@ int php_libxml_register_export(zend_class_entry *ce, php_libxml_export_node expo
 	export_hnd.export_func = export_function;
 
 	if (zend_hash_add(&php_libxml_exports, ce->name, ce->name_length + 1, &export_hnd, sizeof(export_hnd), NULL) == SUCCESS) {
+		int ret;
 		UChar *uname;
 
 		uname = malloc(UBYTES(ce->name_length+1));
 		u_charsToUChars(ce->name, uname, ce->name_length+1);
-    return zend_u_hash_add(&php_libxml_exports, IS_UNICODE, uname, ce->name_length + 1, &export_hnd, sizeof(export_hnd), NULL);
+    ret = zend_u_hash_add(&php_libxml_exports, IS_UNICODE, uname, ce->name_length + 1, &export_hnd, sizeof(export_hnd), NULL);
+    free(uname);
+    return ret;
   }
   return FAILURE;
 }