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-rw-r--r--user_guide/libraries/input.html2
1 files changed, 1 insertions, 1 deletions
diff --git a/user_guide/libraries/input.html b/user_guide/libraries/input.html
index 2f2d1830b..e199c58dd 100644
--- a/user_guide/libraries/input.html
+++ b/user_guide/libraries/input.html
@@ -248,7 +248,7 @@ else<br />
{<br />
&nbsp;&nbsp;&nbsp;&nbsp; echo 'Valid';<br />
}</code>
-
+<p>Accepts an optional second string parameter of "IPv4" or "IPv6" to specify an IP format. The default checks for both formats.</p>
<h2>$this->input->user_agent()</h2>
<p>Returns the user agent (web browser) being used by the current user. Returns FALSE if it's not available.</p>