From 8941648ead3f7f96d662625b8f2facd50e7cff25 Mon Sep 17 00:00:00 2001
From: Scott Taylor <scott.c.taylor@mac.com>
Date: Tue, 13 Oct 2015 01:01:24 +0000
Subject: [PATCH] XML-RPC: Add a filter, `xmlrpc_memory_limit`, to allow the
 value of `$xmlrpc_memory_limit` to be increased.

Props ankit.gade.
Fixes #29957.

Built from https://develop.svn.wordpress.org/trunk@35095


git-svn-id: http://core.svn.wordpress.org/trunk@35060 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/class-IXR.php | 13 ++++++++++++-
 wp-includes/version.php   |  2 +-
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/wp-includes/class-IXR.php b/wp-includes/class-IXR.php
index 7cc4c20fb9..9109cbd4d6 100644
--- a/wp-includes/class-IXR.php
+++ b/wp-includes/class-IXR.php
@@ -268,7 +268,18 @@ class IXR_Message
         xml_set_object($this->_parser, $this);
         xml_set_element_handler($this->_parser, 'tag_open', 'tag_close');
         xml_set_character_data_handler($this->_parser, 'cdata');
-        $chunk_size = 262144; // 256Kb, parse in chunks to avoid the RAM usage on very large messages
+
+        // 256Kb, parse in chunks to avoid the RAM usage on very large messages
+        $xmlrpc_memory_limit = 262144;
+        /**
+         * Filter the maximum memory that can be used to parse an XML-RPC reponse message.
+         *
+         * @since 4.4.0
+         *
+         * @param int $xmlrpc_memory_limit Default value of memory allotted.
+         */
+        $chunk_size = apply_filters( 'xmlrpc_memory_limit', $xmlrpc_memory_limit );
+
         $final = false;
         do {
             if (strlen($this->message) <= $chunk_size) {
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d77556dc69..e335b79e5d 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-35094';
+$wp_version = '4.4-alpha-35095';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.