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All plugin hooks in WordPress 2.0

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 activate_{$plugin} note action YES 1
2 activity_box_end action YES 1
3 add_attachment action YES 1
4 add_category action no 1
5 add_link action YES 1
6 add_ping filter YES 1
7 admin_footer action no 2
8 admin_head action no 1
9 admin_menu action no 1
10 all_options filter no 1
11 atom_entry action YES 1
12 atom_head action YES 1
13 atom_ns action YES 1
14 attachment_icon filter YES 1
15 attachment_innerHTML filter YES 1
16 attachment_link filter YES 1
17 attachment_max_dims filter YES 1
18 author_email filter no 1
19 author_feed_link filter no 1
20 author_link filter no 1
21 author_rewrite_rules filter no 1
22 bloginfo filter no 1
23 category_description filter no 2
24 category_feed_link filter no 1
25 category_link filter no 1
26 category_rewrite_rules filter no 1
27 category_save_pre filter no 2
28 category_template filter no 1
29 check_admin_referer action no 1
30 check_passwords action no 1
31 comments_number filter no 1
32 comments_popup_template filter no 1
33 comments_rewrite_rules filter no 1
34 comments_template filter no 1
35 comment_author filter no 1
36 comment_author_rss filter no 1
37 comment_closed action no 1
38 comment_edit_pre filter no 1
39 comment_email filter no 1
40 comment_excerpt filter no 1
41 comment_flood_trigger action no 1
42 comment_form action no 4
43 comment_id_not_found action no 1
44 comment_moderation_subject filter no 1
45 comment_moderation_text filter no 1
46 comment_notification_headers filter no 1
47 comment_notification_subject filter no 1
48 comment_notification_text filter no 1
49 comment_on_draft action no 1
50 comment_post action no 1
51 comment_save_pre filter no 1
52 comment_status_pre filter YES 2
53 comment_text filter no 1
54 comment_text_rss filter no 1
55 comment_url filter no 1
56 content_edit_pre filter no 1
57 content_save_pre filter no 4
58 core_files_loaded action no 1
59 create_category action YES 1
60 create_user_query filter YES 1
61 date_rewrite_rules filter no 1
62 day_link filter no 2
63 deactivate_{$plugin} note action YES 1
64 default_content filter no 1
65 default_excerpt filter no 1
66 default_title filter no 1
67 delete_attachment action YES 1
68 delete_category action no 1
69 delete_comment action no 2
70 delete_link action YES 1
71 delete_post action no 1
72 delete_user action YES 1
73 edit_attachment action YES 1
74 edit_category action YES 1
75 edit_comment action no 1
76 edit_form_advanced action no 1
77 edit_link action YES 1
78 edit_page_form action no 1
79 edit_post action no 1
80 edit_user_profile action YES 1
81 excerpt_edit_pre filter no 1
82 excerpt_save_pre filter no 2
83 feed_link filter no 1
84 format_to_edit filter no 1
85 format_to_post filter no 1
86 generate_rewrite_rules action no 1
87 get_comments_number filter no 1
88 get_comment_author filter no 1
89 get_comment_author_email filter no 1
90 get_comment_author_IP filter no 1
91 get_comment_author_link filter no 1
92 get_comment_author_url filter no 1
93 get_comment_author_url_link filter no 1
94 get_comment_date filter no 1
95 get_comment_excerpt filter no 1
96 get_comment_ID filter no 1
97 get_comment_text filter no 1
98 get_comment_time filter no 1
99 get_comment_type filter no 1
100 get_editable_authors filter YES 1
101 get_enclosed filter YES 1
102 get_others_drafts filter YES 1
103 get_pung filter YES 1
104 get_the_excerpt filter no 1
105 get_the_guid filter no 1
106 get_the_modified_time filter YES 2
107 get_the_time filter no 2
108 get_to_ping filter YES 1
109 get_users_drafts filter YES 1
110 home_template filter no 1
111 icon_dir filter YES 1
112 icon_dir_uri filter YES 1
113 init action no 1
114 kubrick_header_color filter YES 1
115 kubrick_header_display filter YES 1
116 kubrick_header_image filter YES 1
117 link_rating filter no 1
118 list_cats filter no 4
119 list_cats_exclusions filter no 1
120 locale filter no 1
121 loginout filter no 1
122 loop_end action YES 1
123 loop_start action YES 1
124 lost_password action no 1
125 manage_posts_columns filter no 1
126 manage_posts_custom_column action no 1
127 mce_browsers filter YES 1
128 mce_buttons filter YES 1
129 mce_buttons_2 filter YES 1
130 mce_buttons_3 filter YES 1
131 mce_options action YES 1
132 mce_plugins filter YES 1
133 mce_theme filter YES 1
134 mce_valid_elements filter YES 1
135 mod_rewrite_rules filter no 1
136 month_link filter no 2
137 name_save_pre filter no 2
138 option_{$setting} note filter no 1
139 page_link filter no 1
140 page_rewrite_rules filter no 1
141 page_template filter no 1
142 parse_query action no 2
143 password_reset action no 1
144 personal_options_update action YES 1
145 phone_content filter no 1
146 pingback_post action no 1
147 ping_status_pre filter YES 2
148 plugins_loaded action no 1
149 posts_groupby filter YES 1
150 posts_join filter no 1
151 posts_join_paged filter no 1
152 posts_orderby filter no 1
153 posts_request filter YES 1
154 posts_where filter no 1
155 posts_where_paged filter no 1
156 post_comments_feed_link filter no 1
157 post_link filter no 2
158 post_mime_type_pre filter YES 1
159 post_rewrite_rules filter no 1
160 prepend_attachment filter YES 1
161 preprocess_comment filter no 1
162 pre_comment_approved filter no 1
163 pre_comment_author_email filter no 1
164 pre_comment_author_name filter no 1
165 pre_comment_author_url filter no 1
166 pre_comment_content filter no 1
167 pre_comment_user_agent filter no 1
168 pre_comment_user_domain filter no 1
169 pre_comment_user_ip filter no 1
170 pre_get_posts action YES 1
171 pre_option_{$option->option_name} note filter no 1
172 pre_ping action YES 1
173 pre_user_id filter no 1
174 private_to_published action no 1
175 profile_personal_options action YES 1
176 profile_update action YES 1
177 publish_phone action no 1
178 publish_post action no 1
179 query_string filter no 1
180 query_vars filter no 1
181 rdf_header action YES 1
182 rdf_item action YES 1
183 rdf_ns action YES 1
184 register filter no 1
185 retreive_password action no 1
186 retrieve_password action no 1
187 rewrite_rules filter no 1
188 rewrite_rules_array filter no 1
189 richedit_pre filter YES 2
190 role_has_cap filter YES 1
191 root_rewrite_rules filter no 1
192 rss2_head action YES 1
193 rss2_item action YES 1
194 rss2_ns action YES 1
195 rss_head action YES 1
196 rss_item action YES 1
197 sanitize_title filter no 1
198 save_post action no 1
199 search_rewrite_rules filter no 1
200 show_password_fields filter no 3
201 show_user_profile action YES 1
202 shutdown action no 1
203 simple_edit_form action no 1
204 single_post_title filter no 2
205 status_save_pre filter no 1
206 stylesheet filter no 1
207 stylesheet_directory filter no 1
208 stylesheet_directory_uri filter no 1
209 stylesheet_uri filter no 1
210 switch_theme action no 3
211 template filter no 1
212 template_directory filter no 1
213 template_directory_uri filter no 1
214 template_redirect action no 1
215 theme_root filter no 1
216 theme_root_uri filter no 1
217 the_author filter YES 1
218 the_author_email filter no 1
219 the_category filter no 2
220 the_category_rss filter no 1
221 the_content filter no 3
222 the_content_rss filter YES 1
223 the_date filter no 1
224 the_excerpt filter no 2
225 the_excerpt_rss filter no 1
226 the_modified_time filter YES 1
227 the_permalink filter no 2
228 the_posts filter no 1
229 the_time filter no 1
230 the_title filter no 8
231 the_title_rss filter no 2
232 the_weekday filter no 1
233 the_weekday_date filter no 1
234 thumbnail_filename filter YES 1
235 tinymce_before_init action YES 1
236 title_edit_pre filter no 1
237 title_save_pre filter no 2
238 trackback_post action no 1
239 update_user_query filter YES 1
240 uploading_iframe_src filter YES 2
241 upload_dir filter YES 1
242 upload_mimes filter YES 1
243 user_has_cap filter YES 1
244 user_register action no 1
245 wp_authenticate action no 1
246 wp_blacklist_check action no 1
247 wp_footer action no 1
248 wp_head action no 1
249 wp_insert_post action YES 1
250 wp_list_pages filter no 1
251 wp_login action no 1
252 wp_logout action no 1
253 wp_meta action no 1
254 wp_set_comment_status action no 2
255 wp_title filter YES 1
256 xmlrpc_methods filter no 1
257 year_link filter no 2
258 {$page_hook} note action no 1
259 {$tag} note action no 1
260 {$tag} note filter no 1
261 {$type}_template note filter no 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.