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Subject: Casting of objects to array exports  private/protected data
From: php@hristov.com (Andrey Hristov)

Hi internals,
casting an object to array gives the possibility to get the values of protected/private 
member variables :
<?php
class some {
         public $pub = 1;
         protected $prot = 2;
         private $priv = 3;

}
var_dump((array)new some());

?>
Produces :
array(3) {
   ["pub"]=>
   int(1)
   ["*prot"]=>
   int(2)
   ["somepriv"]=>
   int(3)
}

IMO, when casting to array with (array) only the public-ly visible members should returned.

Andrey