Index: /trunk/Decompiler.class.php
===================================================================
--- /trunk/Decompiler.class.php	(revision 776)
+++ /trunk/Decompiler.class.php	(revision 777)
@@ -1202,5 +1202,9 @@
 				case XC_ISSET_ISEMPTY_VAR: // {{{
 					if ($opc == XC_ISSET_ISEMPTY_VAR) {
-						$rvalue = '$' . unquoteVariableName($this->getOpVal($op1, $EX));
+						$rvalue = $this->getOpVal($op1, $EX);
+						// for < PHP_5_3
+						if ($op1['op_type'] == XC_IS_CONST) {
+							$rvalue = '$' . unquoteVariableName($this->getOpVal($op1, $EX));
+						}
 						if ($op2['EA.type'] == ZEND_FETCH_STATIC_MEMBER) {
 							$class = $this->getOpVal($op2, $EX);