From edf2251aca60a970e822079d23933e5b70b26571 Mon Sep 17 00:00:00 2001
From: ctrlaltca <>
Date: Wed, 2 Jan 2013 14:42:24 +0000
Subject: backported all related changes up to 3229 to branch/3.2

---
 framework/Util/TDataFieldAccessor.php | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

(limited to 'framework/Util')

diff --git a/framework/Util/TDataFieldAccessor.php b/framework/Util/TDataFieldAccessor.php
index b96cf0c9..24fcbd36 100644
--- a/framework/Util/TDataFieldAccessor.php
+++ b/framework/Util/TDataFieldAccessor.php
@@ -35,7 +35,9 @@ class TDataFieldAccessor
 	/**
 	 * Evaluates the data value at the specified field.
 	 * - If the data is an array, then the field is treated as an array index
-	 *   and the corresponding element value is returned;
+	 *   and the corresponding element value is returned; the field name can also include
+	 *   dots to access subarrays. For example a field named 'MyField.MySubField' will 
+	 *   first try to access $data['MyField.MySubField'], then try $data['MyField']['MySubField'].
 	 * - If the data is a TMap or TList object, then the field is treated as a key
 	 *   into the map or list, and the corresponding value is returned.
 	 * - If the data is an object, the field is treated as a property or sub-property
@@ -53,7 +55,15 @@ class TDataFieldAccessor
 		try
 		{
 			if(is_array($data) || ($data instanceof ArrayAccess))
-				return $data[$field];
+			{
+				if(isset($data[$field]))
+					return $data[$field];
+
+				$tmp = $data;
+				foreach (explode(".", $field) as $f)
+				    $tmp = $tmp[$f];
+				return $tmp;
+			}
 			else if(is_object($data))
 			{
 				if(strpos($field,'.')===false)  // simple field
@@ -79,4 +89,3 @@ class TDataFieldAccessor
 		throw new TInvalidDataValueException('datafieldaccessor_data_invalid',$field);
 	}
 }
-
-- 
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