Add upgrading info about the tick functions internal API change

diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS
index 384b71bdc2d1b26886dbb7b3b3a4a3c2000cee32..54f87e62bd8b1638f8e6ca4c82667024baad63bf 100644 (file)
--- a/UPGRADING.INTERNALS
+++ b/UPGRADING.INTERNALS
@@ -246,6 +246,12 @@ changes. See: https://wiki.php.net/phpng-upgrading
        and also renamed zend_qsort to zend_sort.
      - Added stable sorting algo zend_insert_sort.
 
+  w. Tick functions internal API change
+     Tick functions have different declaration now. They expect a single
+        single parameter while before they were parameterless. When registering the
+        tick function a value for this parameter must be passed. This value will be
+        provided to the tick function on every execution.
+
 ========================
 2. Build system changes
 ========================