Description:
------------
Countable interface dosen't work on server A with php 5.2.6 on CentOS as with server B with php 5.2.1 on Ubuntu 7.04.

link to phpinfo on server A:  http://www.asmeniniai-finansai.lt/phpinfo.php

Reproduce code:
---------------
<?php
error_reporting(E_ALL | E_STRICT);
class Foo implements Countable
{
        public function count()
        {
                return 4;
        }
}

$foo = new Foo();

var_dump(count($foo), $foo->count());

?>


Expected result:
----------------
int(4)
int(4)


Actual result:
--------------
int(1)
int(4)