diff --git a/system/libraries/Validation.php b/system/libraries/Validation.php
index 8441503..061cacc 100644
--- a/system/libraries/Validation.php
+++ b/system/libraries/Validation.php
@@ -86,8 +86,8 @@
 		}		
 			
 		foreach($this->_fields as $key => $val)
-		{		
-			$this->$key = ( ! isset($_POST[$key]) OR is_array($_POST[$key])) ? '' : $this->prep_for_form($_POST[$key]);
+		{
+			$this->$key = ( ! isset($_POST[$key])) ? '' : $this->prep_for_form($_POST[$key]);
 			
 			$error = $key.'_error';
 			if ( ! isset($this->$error))
@@ -659,14 +659,22 @@
 	 * @param	string
 	 * @return	string
 	 */
-	function prep_for_form($str = '')
+	function prep_for_form($data = '')
 	{
-		if ($this->_safe_form_data == FALSE OR $str == '')
+		if (is_array($data))
 		{
-			return $str;
+			foreach ($data as $key => $val)
+			{
+				$data[$key] = $this->prep_for_form($val);
+			}
+		}
+		
+		if ($this->_safe_form_data == FALSE OR $data == '')
+		{
+			return $data;
 		}
 
-		return str_replace(array("'", '"', '<', '>'), array("&#39;", "&quot;", '&lt;', '&gt;'), stripslashes($str));
+		return str_replace(array("'", '"', '<', '>'), array("&#39;", "&quot;", '&lt;', '&gt;'), stripslashes($data));
 	}
 	
 	// --------------------------------------------------------------------
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 9ef6bd3..0f6c677 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -94,6 +94,7 @@
     <li>Moved the safe mode and auth checks for the Email library into the constructor. </li>
     <li>Moved part of the userguide menu javascript to an external file.</li>
 	<li>Modified variable names in _ci_load() method of Loader class to avoid conflicts with view variables.</li>
+	<li>Modified prep_for_form() in the Validation class to accept arrays, adding support for POST array validation (via callbacks only)</li>
     <li>Changed the behaviour of custom callbacks so that they no longer trigger the &quot;required&quot; rule. </li>
     <li>Changed the behaviour of variables submitted to the where() clause with no values to auto set &quot;IS NULL&quot;</li>
 	<li>Strengthened the Encryption library to help protect against man in the middle attacks when MCRYPT_MODE_CBC mode is used.</li>