Diff of 2011-02-05

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* php [#s1c20d83]

- http://php.net/manual/ja/internals2.opcodes.php
- Zend Engine 2 オペコード一覧
--  http://php.net/manual/ja/internals2.opcodes.php
- pecl vld package
--  http://pecl.php.net/package/vld
- How to get opcodes of PHP?
--  http://stackoverflow.com/questions/1795425/how-to-get-opcodes-of-php
 php -dvld.active=1 -dvld.execute=0 -f phpinfo.php
- 第4回　制御構造，for文にまつわる噂を検証
--  http://gihyo.jp/dev/feature/01/php-optimize/0004