Suspicious PHP Code In My WordPress Theme File

Recently I got my site not working. It seems there is an error in my functions.php “Parse error: syntax error, unexpected ‘}’ in /home/x/public_html/wp-content/themes/takien-theme-blue/functions.php on line 317″ I go to that line using my favorite Editor, and surprisingly I found this strange code that I never created before:
WordPress Plugins
Here is the list of WordPress Plugins I ever created: 1. Word Replacer 2. WP Spry Menu 3. WP Editarea 4. WP Dropdown Posts
WP Editarea WordPress Plugin

WordPress used to embed Codepress syntax highlighting at Version 2.8 and immediately disabled it at Version 2.8.1 due to browser incompatibilities. However I found another free Javascript code editor called Editarea which has more features than Codepress . Now you can simply integrate Editarea functionality to your WordPress by using WP Editarea Plugins. WP Editarea [...]
WordPress Plugin WP Sub Post
WP Sub Post is a wordpress plugin that allow you to make your wordpress post has a parent or child post. Notes: Child post is a real post that has a parent. Child post only displayed on it’s parent post page or when parent page is displayed. Child post can not be viewed individually. Child [...]
WordPress Spry Menu Plugins
Hi, this is my first plugin I write. WP Spry Menu that automatically creating Spry Drop Down Menu for wordpress category include configuration page with configurable “Home” link. This plugin using Spry (Copyright (c) 2006. Adobe Systems Incorporated) javascript library from www.adobe.com. The Spry library is FREE and redistributable with some condition (see license on [...]
