From 1f852630d606e6bfd7b28dd5f599a29c437d81e8 Mon Sep 17 00:00:00 2001
From: Rick Ellis <rick.ellis@ellislab.com>
Date: Sat, 9 Jun 2007 00:25:57 +0000
Subject:

---
 user_guide/general/creating_libraries.html | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/user_guide/general/creating_libraries.html b/user_guide/general/creating_libraries.html
index f17c3cf6d..64300929a 100644
--- a/user_guide/general/creating_libraries.html
+++ b/user_guide/general/creating_libraries.html
@@ -200,7 +200,11 @@ etc.
 <br /><br />
 <var>$CI =& get_instance();</var>
 <br /><br />
-<kbd>This is very important.</kbd> Assigning by reference allows you to use the original CodeIgniter object rather than creating a copy of it.</p>
+<kbd>This is very important.</kbd> Assigning by reference allows you to use the original CodeIgniter object rather than creating a copy of it.
+<br /><br />
+<kbd>Also, please note:</kbd> If you are running PHP 4 it's usually best to avoid calling <dfn>get_instance()</dfn>
+from within your class constructors.  PHP 4 has trouble referencing the CI super object within application constructors 
+since objects do not exist until the class is fully instantiated.</p>
 
 
 <h2>Replacing Native Libraries with Your Versions</h2>
-- 
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