diff --git a/reference/com/constants.xml b/reference/com/constants.xml
index 796316b6cb..954d6b35fe 100644
--- a/reference/com/constants.xml
+++ b/reference/com/constants.xml
@@ -149,6 +149,17 @@
+
+
+ VT_I8
+ (integer)
+
+ 3
+
+ 8-byte signed integer value.
+
+ Available as of PHP 7.0.0 (x64 only).
+
VT_R4
@@ -310,6 +321,17 @@
+
+
+ VT_UI8
+ (integer)
+
+ 19
+
+ 8-byte unsigned integer.
+
+ Available as of PHP 7.0.0 (x64 only).
+
VT_INT