1 files changed, 4 insertions, 0 deletions

diff --git a/UPGRADING b/UPGRADING
index 7a174c47c2..f479e0d2ae 100644
--- a/UPGRADING
+++ b/UPGRADING
@@ -89,6 +89,10 @@ PHP 5.6 UPGRADE NOTES
 - Added a function for timing attack safe string comparison
   (https://wiki.php.net/rfc/timing_attack)
 
+- Added the __debugInfo() magic method to allow userland classes to implement
+  the get_debug_info API previously available only to extensions.
+  (https://wiki.php.net/rfc/debug-info)
+
 - Added gost-crypto (CryptoPro S-box) hash algorithm.
 
 - Stream wrappers verify peer certificates and host names by default in