Unzip the contents of this file (the entire runPHP directory)
into: /wp-content/plugins/
In "Options > Writing"
Turn off "WordPress should correct invalidly nested XHTML
automatically"
Do not use this with the visual rich editor
Visit the "Options > runPHP" page and set who can use the plugin
(default is Administrators)
Create a post and check the "run PHP code?" checkbox to enable PHP code
to be dropped in to your post
I10n support is available only if WP_LANG is defined in your
wp-config.php file (English, French, and German are included. You can
use POEdit to add your own.)