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Deprecated plugin hooks in WordPress 2.5

Important! Some WordPress hooks get applied in multiple PHP files. If you are trying to figure out what a specific WordPress hook does, sort the table by "hook" and make sure you are looking in all the files where it occurs.

Hook Type Renamed?
1 autosave_interval filter DEPRECATED
2 content_edit_pre filter DEPRECATED
3 create_user_query filter DEPRECATED
4 dbx_page_advanced action DEPRECATED
5 dbx_page_sidebar action DEPRECATED
6 get_next_post_join filter Renamed: get_{$adjacent}_post_join
7 get_next_post_sort filter Renamed: get_{$adjacent}_post_sort
8 get_next_post_where filter Renamed: get_{$adjacent}_post_where
9 get_previous_post_join filter Renamed: get_{$adjacent}_post_join
10 get_previous_post_sort filter Renamed: get_{$adjacent}_post_sort
11 get_previous_post_where filter Renamed: where
12 mce_browsers filter DEPRECATED
13 mce_plugins filter DEPRECATED
14 mce_valid_elements filter DEPRECATED
15 nag_posts_limit filter DEPRECATED
16 thumbnail_filename filter DEPRECATED
17 tinymce_before_init action DEPRECATED
18 tiny_mce_config_url filter DEPRECATED
19 update_user_query filter DEPRECATED
20 uploading_iframe_src filter DEPRECATED
21 upload_files_{$tab} note action DEPRECATED
22 wp_thumbnail_creation_size_limit filter DEPRECATED
23 wp_thumbnail_max_side_length filter DEPRECATED
24 wp_upload_tabs filter DEPRECATED
25 {$taxonomy}_{$field_rss} note filter Renamed: {$taxonomy}_{$field}_rss

Important warning about variable hooks

Some hooks have variables in their names. For example, pre_${taxonomy}_$field and admin_head- both have variable names. In general, any hook that ends (or begins) with - or _, or contains a $, has a variable name. Since the syntax with which these variables are defined may change from version to version, this page may think that a hook is deprecated (or new) even if it is not. You can usually catch this sort of thing by comparing this hook to the list of "related hooks" below.