Executing PHP codes in WordPress Page/Post

Everyone want to write php code in wordpress as his mine. But wordpress support only its won code definitions. I wan to coded php in wordpress cms as like this code in a post and it should be work. but how......
[php]
<?php
echo "The year is: ";
echo date('Y');
?>
[/php]

There is a solution and I am giving you a plugin that you can write your php code as your mine.

For this you should follows the instructions-

Installation:
Download phpexec.zip
Unzip the file
Upload to /wp-content/plugins/ directory
Activate the plug-in from WordPress administration menu

Usage:
Anywhere in your post/pages where you want to execute a PHP Codes, insert before your php codes and your php codes.
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[php]
<ecoder>
<?php
echo "Current date and time: ";
echo date('Y');
?>
</ecode>
[/php]
If you are running a blog with multiple users, you need to determine who can run this plug-in. Alter the settings in your Administration Menu. Options -> eCoder