>>516
506のコードは

PHP 5.2.11-1 with Suhosin-Patch 0.9.7 (cli) (built: Sep 20 2009 12:28:20)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies
with Xdebug v2.0.5, Copyright (c) 2002-2008, by Derick Rethans
with Suhosin v0.9.29, Copyright (c) 2007, by SektionEins GmbH

で動作確認したもの。

使用したproxyは

Squid Cache: Version 2.7.STABLE7