Index: class.t3lib_transferdata.php
===================================================================
--- class.t3lib_transferdata.php	(revision 2751)
+++ class.t3lib_transferdata.php	(working copy)
@@ -160,6 +160,20 @@
 							foreach($TCAdefaultOverride[$table.'.'] as $theF => $theV)	{
 								if (isset($TCA[$table]['columns'][$theF]))	{
 									$newRow[$theF]=$theV;
+
+										// Allowing userFuncs in userTS TCAdefaults, see issue #6635 for details
+									if (is_array($theV))	{
+										$theF = substr($theF, 0, -1);  // Remove trailing dot from fieldname
+										$funcName = $theV['userFunc'];
+										$params = Array(
+											'table' => $table,
+											'field' => $theF,
+											'value' => $newRow[$theF],
+											'conf' => $theV['userFunc.']
+										);
+
+										$newRow[$theF] = t3lib_div::callUserFunction($funcName, $params, $this);
+									}
 								}
 							}
 						}
@@ -171,6 +185,20 @@
 								foreach($TCAPageTSOverride[$table.'.'] as $theF => $theV)	{
 									if (isset($TCA[$table]['columns'][$theF]))	{
 										$newRow[$theF]=$theV;
+
+											// Allowing userFuncs in pageTS TCAdefaults, see issue #6635 for details
+										if (is_array($theV))	{
+											$theF = substr($theF, 0, -1);  // Remove trailing dot from fieldname
+											$funcName = $theV['userFunc'];
+											$params = Array(
+												'table' => $table,
+												'field' => $theF,
+												'value' => $newRow[$theF],
+												'conf' => $theV['userFunc.']
+											);
+
+											$newRow[$theF] = t3lib_div::callUserFunction($funcName, $params, $this);
+										}
 									}
 								}
 							}