Description:
------------
Script "test.php" produces Fatal error in relation of writing order of classes.

If that missing class defined in same file, at the same place like require_once() (by replacing), no error will appear :O

Test script:
---------------
class file: test.class.php
<?php
class formularEssentials{}
?>

main file: test.php
<?php
require_once 'test.class.php'; //contain "formularEssentials"
class formularBeta extends formularAlpha{}
class formularAlpha extends formularEssentials{}
?>


Expected result:
----------------
nothing, blank screen. No "Fatal error" should be displayed.

Actual result:
--------------
Fatal error: Class 'formularAlpha' not found in test.php