* Added valid_base64() to the Validation class
* Tightened up validation of the supplied string given to the decode() method of the Encryption class (#3320)
diff --git a/user_guide/libraries/validation.html b/user_guide/libraries/validation.html
index f9cac85..facd1a5 100644
--- a/user_guide/libraries/validation.html
+++ b/user_guide/libraries/validation.html
@@ -602,6 +602,12 @@
<td class="td">Returns FALSE if the supplied IP is not valid.</td>
<td class="td"> </td>
</tr>
+<tr>
+ <td class="td"><strong>valid_base64</strong></td>
+ <td class="td">No</td>
+ <td class="td">Returns FALSE if the supplied string contains anything other than valid Base64 characters.</td>
+ <td class="td"> </td>
+</tr>
</table>
<p><strong>Note:</strong> These rules can also be called as discreet functions. For example:</p>