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New plugin hooks in WordPress 3.3

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.

  • To sort the table, click on a column title.
  • Click a hook name to see details about the hook.
  • Click a file name to see only hooks used in that file.
Hook Type New? Instances
1 after_switch_theme action YES 1
2 auth_post_meta_{$meta_key} note filter YES 1
3 dbdelta_create_queries filter YES 1
4 dbdelta_insert_queries filter YES 1
5 dbdelta_queries filter YES 1
6 hidden_meta_boxes filter YES 1
7 image_size_names_choose filter YES 1
8 is_multi_author filter YES 1
9 page_attributes_dropdown_pages_args filter YES 1
10 plupload_init filter YES 1
11 post-plupload-upload-ui action YES 1
12 pre-plupload-upload-ui action YES 1
13 pre_ent2ncr filter YES 1
14 print_late_styles filter YES 1
15 quicktags_settings filter YES 1
16 registered_post_type action YES 1
17 registered_taxonomy action YES 1
18 sanitize_{$meta_type}_meta_{$meta_key} note filter YES 1
19 tiny_mce_plugins filter YES 1
20 type_url_form_media filter YES 1
21 upload_post_params filter YES 1
22 wp_insert_post_empty_content filter YES 1
23 wp_is_large_network filter YES 1
24 wp_trash_post action YES 1
25 wp_trim_words filter YES 1
26 wp_unique_post_slug filter YES 1
27 wp_upload_resize filter YES 1
28 wxr_export_skip_postmeta filter YES 1
29 _core_updated_successfully action YES 1
30 {$type}_send_to_editor_url note filter YES 1

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.