Description:
------------
---
From manual page: http://www.php.net/language.oop5.overloading
---

-__isset() is triggered by calling isset() or empty() on inaccessible properties.

but

Note:

It is not possible to use overloaded properties in other language constructs than 
isset(). This means if empty() is called on an overloaded property, the overloaded 
method is not called.

I have checked  - both constructions trigger __isset. So you should fix the text 
on this page.(My php version is last stable 5.3.25 and no notes about difference 
between my version and last 5.5)

Test script:
---------------
<?php                                                                            
   error_reporting(E_ALL | E_STRICT);                                               
                                                                                    
   class A{                                                                         
       public function __isset($v) {                                                
           echo "ISSET triggered!\n";                                               
       }                                                                            
   }                                                                                
   $var = new A;                                                                    
  empty($var->xyz);                                                                
  isset($var->xyz);   

?> 

Expected result:
----------------
ISSET triggered!


Actual result:
--------------
ISSET triggered!
ISSET triggered!