CI_Parser: Fix a regression from b27338ac9710cfcf69c4c99028f474aae8b28b49 (#3189)
diff --git a/system/libraries/Parser.php b/system/libraries/Parser.php
index 8d802d2..2c2fc73 100644
--- a/system/libraries/Parser.php
+++ b/system/libraries/Parser.php
@@ -212,7 +212,7 @@
 				{
 					if (is_array($val))
 					{
-						$pair = $this->_parse_pair($key, $val, $temp);
+						$pair = $this->_parse_pair($key, $val, $match[1]);
 						if ( ! empty($pair))
 						{
 							$temp = array_merge($temp, $pair);