Posts for May, 2006

This global variable indicates whether the current user wants to use rich editing interface (by default using TinyMCE) for creating/editing posts and comments. Since Wordpress 2.0, the option of rich editing is set per user, which can be accessed by using the checkbox, “Use the visual rich editor when writing”, in Admin Panel->Users->Your Profile. richedit is set in the functions get_post_to_edit($id) and get_comment_to_edit($id) in the [wordpress-root-folder]/wp-admin/admin-functions.p [Continue]

Wordpress uses page_cache global variable to cache static pages by their ID. Caching can notably improve performance by retrieving data from memory and avoiding repeated queries to the database. It is an array set in the function update_page_cache(&$pages) defined in [wordpress root folder]/wp-includes/functions.p [Continue]

Wordpress uses numpages global variable to store the number of pages in a multipage post. It is set in the function setup_postdata($post) defined in [wordpress root folder]/wp-includes/functions.php. [Continue]

Just like category_cache, Wordpress uses post_cache global variable to cache all the posts by their IDs. It is set in the function update_post_caches($posts) defined in [wordpress root folder]/wp-includes/functions.php. [Continue]