New plugin hooks in WordPress 3.4

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	akismet_delete_commentmeta_interval		filter	YES	1
2	akismet_ua		filter	YES	1
3	allowed_http_origin		filter	YES	1
4	allowed_http_origins		filter	YES	1
5	autocomplete_users_for_site_admins		filter	YES	1
6	comment_add_author_url		action	YES	1
7	comment_remove_author_url		action	YES	1
8	current_theme_supports-{$feature}	note	filter	YES	1
9	customize_allowed_urls		filter	YES	1
10	customize_controls_enqueue_scripts		action	YES	1
11	customize_controls_init		action	YES	1
12	customize_controls_print_footer_scripts		action	YES	1
13	customize_controls_print_scripts		action	YES	1
14	customize_controls_print_styles		action	YES	1
15	customize_preview_init		action	YES	1
16	customize_preview_{$this->id}	note	action	YES	1
17	customize_register		action	YES	1
18	customize_render_control		action	YES	1
19	customize_render_control_{$this->id}	note	action	YES	1
20	customize_render_section		action	YES	1
21	customize_render_section_{$this->id}	note	action	YES	1
22	customize_sanitize_js_{$this->id}	note	filter	YES	1
23	customize_sanitize_{$this->id}	note	filter	YES	1
24	customize_save		action	YES	1
25	customize_save_{$this->id_data[base]}	note	action	YES	1
26	customize_update_{$this->type}	note	action	YES	1
27	customize_value_{$this->id_data[base]}	note	filter	YES	1
28	default_option_{$option}	note	filter	YES	1
29	default_site_option_{$option}	note	filter	YES	1
30	deleted_{$meta_type}meta	note	action	YES	1
31	delete_{$meta_type}meta	note	action	YES	1
32	extra_theme_headers		filter	YES	1
33	http_origin		filter	YES	1
34	image_resize_dimensions		filter	YES	1
35	plupload_default_params		filter	YES	1
36	plupload_default_settings		filter	YES	1
37	posts_request_ids		filter	YES	1
38	post_types_to_delete_with_user		filter	YES	1
39	refresh_blog_details		action	YES	1
40	sanitize_trackback_urls		filter	YES	1
41	set_comment_cookies		action	YES	1
42	set_url_scheme		filter	YES	1
43	split_the_query		filter	YES	1
44	start_previewing_theme		action	YES	1
45	stop_previewing_theme		action	YES	1
46	theme_install_actions		filter	YES	1
47	widget_comments_args		filter	YES	1
48	widget_posts_args		filter	YES	1
49	wp_atom_server_class		filter	YES	1
50	wp_cache_themes_persistently		filter	YES	1
51	wp_die_ajax_handler		filter	YES	1
52	wp_die_app_handler		filter	YES	1
53	wp_die_xmlrpc_handler		filter	YES	1
54	wp_http_cookie_value		filter	YES	1
55	wp_terms_checklist_args		filter	YES	1
56	xmlrpc_call_success_blogger_deletePost		action	YES	1
57	xmlrpc_call_success_blogger_editPost		action	YES	1
58	xmlrpc_call_success_blogger_newPost		action	YES	1
59	xmlrpc_call_success_mw_editPost		action	YES	1
60	xmlrpc_call_success_mw_newMediaObject		action	YES	1
61	xmlrpc_call_success_mw_newPost		action	YES	1
62	xmlrpc_call_success_wp_deleteCategory		action	YES	1
63	xmlrpc_call_success_wp_deleteComment		action	YES	1
64	xmlrpc_call_success_wp_deletePage		action	YES	1
65	xmlrpc_call_success_wp_editComment		action	YES	1
66	xmlrpc_call_success_wp_newCategory		action	YES	1
67	xmlrpc_call_success_wp_newComment		action	YES	1
68	xmlrpc_default_posttype_fields		filter	YES	1
69	xmlrpc_default_post_fields		filter	YES	1
70	xmlrpc_default_taxonomy_fields		filter	YES	1
71	xmlrpc_prepare_comment		filter	YES	1
72	xmlrpc_prepare_media_item		filter	YES	1
73	xmlrpc_prepare_page		filter	YES	1
74	xmlrpc_prepare_post		filter	YES	1
75	xmlrpc_prepare_post_type		filter	YES	1
76	xmlrpc_prepare_taxonomy		filter	YES	1
77	xmlrpc_prepare_term		filter	YES	1
78	xmlrpc_wp_insert_post_data		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.