added CI's global variables to the protected array in_sanitize_globals()
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 6f0ec67..96f0a67 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -158,6 +158,7 @@
<ul>
<li>Removed an extraneous call to loading models (#3286).</li>
<li>Removed extraneous load of $CFG in _display_cache() of the Output class (#3285)</li>
+ <li>Fixed a bug (#3310) with sanitization of globals in the Input class that could unset CI's global variables.</li>
<li>Fixed a bug (#1890) in csv_from_result() where content that included the delimiter would break the file.</li>
<li>Fixed a bug (#3156) in Text Helper highlight_code() causing PHP tags to be handled incorrectly.</li>
<li>Fixed a bug (#3289) in the File Helper where temp files in directories being tested with is_really_writable() were not being handled properly</li>