diff --git a/reference/var/functions/isset.xml b/reference/var/functions/isset.xml
index 4a07480672..f264071aee 100644
--- a/reference/var/functions/isset.xml
+++ b/reference/var/functions/isset.xml
@@ -114,7 +114,7 @@ var_dump(isset($foo));   // FALSE
 <![CDATA[
 <?php
 
-$a = array ('test' => 1, 'hello' => NULL);
+$a = array ('test' => 1, 'hello' => NULL, 'pie' => array('a' => 'apple'));
 
 var_dump(isset($a['test']));            // TRUE
 var_dump(isset($a['foo']));             // FALSE
@@ -124,6 +124,11 @@ var_dump(isset($a['hello']));           // FALSE
 // If you want to check for NULL key values then try: 
 var_dump(array_key_exists('hello', $a)); // TRUE
 
+// Checking deeper array values
+var_dump(isset($a['pie']['a']));        // TRUE
+var_dump(isset($a['pie']['b']));        // FALSE
+var_dump(isset($a['cake']['a']['b']));  // FALSE
+
 ?>
 ]]>
     </programlisting>