WordPress function hook (1)

An action hook that runs in a typical request

When a logged-in user opens the site home page in the default theme, WordPress runs the following action hook function:

• Plugins_loaded
• Sanitize_comment_cookies
• Setup_theme
• Auth_cookie_malformed
• Auth_cookie_valid
• Set_current_user
• Init
• Widgets_init
• Parse_request
• Send_headers
• Pre_get_posts
• Posts_selection
• Wp
• Template_redirect
• Get_header
• Wp_head
• Wp_print_styles
• Wp_print_scripts
• Loop_start
• Loop_end
• Get_sidebar
• Wp_meta
• Get_footer
• Wp_footer

Second, log, page, attachment and category-related action hook function

Add_attachment

When the attachment file first joins the database, the add_attachment function is executed.Function received parameters: Attachment ID.

Add_category

Same as create_category.

Clean_post_cache

When clearing the log cache, execute this action function.Function received parameters: log ID.See clean_post_cache().

Create_category

When a new category is generated, this action function is executed.Function received parameters: Category ID.

Delete_attachment

After removing a category from the database and the corresponding link/log, execute the action function.Function received parameters: Category ID.

Delete_post

This action function is executed when a log or page is to be deleted.Function received parameters: log ID or page ID.

Deleted_post

After deleting a log or page, execute the action function.Function received parameters: log ID or page ID.

Edit_attachment

This action function is executed when the attachment file in the database is updated.Function received parameters: Attachment ID.

Edit_category

When you update/edit a category (including adding/removing logs or blog backlinks, or updating log/blog backlink categories), execute the action function.Function received parameters: Category ID.

Edit_post

When updating/editing a certain log or page (including adding/updating comments, this will result in updating the total number of log comments), execute this action function.Function received parameters: log ID or page ID.

Pre_post_update

Perform this action function before updating the log or page.Function received parameters: log ID.

Private_to_publish

This action function is executed when the log status is changed from private to published.The parameters received by the function: Log object.(An action function to translate the log state is currently available; see wp_transition_post_status()).

Publish_page

This action function is executed when the page is published or when a page with a status of "published" is edited.Function received parameters: page ID.(Warning: The action function cannot be run in WordPress 2.3 and higher; however, the action function 'transition_post_status' can run.Update: The publish_page action function can be run in WordPress 2.6 and later.)

Publish_phone

After adding a new log via email, execute the action function.Function received parameters: log ID.

Publish_post

This action function is executed when posting a log or editing a log with a status of "published".Function received parameters: log ID.

Save_post

When you create or update a log/page, execute the action function.Updates can come from import, log/page edit boxes, xmlrpc, or mail logs.Function received parameters: log ID.

The action information is executed after the update information is stored in the database.

Note: The log ID may refer to a modified version of the log rather than the latest release.Wp_is_post_revision gets the latest version of the log ID.

Wp_insert_post

Same as save_post, execute the action function after the update information is stored in the database.

Xmlrpc_public_post

This action function is executed when the log is requested by XMLRPC, or when a log with a status of "published" is edited by XMLRPC.Function received parameters: log ID.

Third, comments, pings, and quotations related to the action hook function

Comment_closed

When you try to display the comment input box and the log is set to not allow comments, execute the action function.Function received parameters: log ID.

Comment_id_not_found

This action function is executed when trying to display a comment or comment input box without finding the log ID.Function received parameters: log ID.

Comment_flood_trigger

Before calling wp_die to prevent receiving comments, if the number of detected comments is abnormally increased, the action function is executed.The parameters received by the function: the time when the last comment was posted and the time when the current comment was posted.

Comment_on_draft

This action function is executed when the log is in draft status but attempts to display a comment or comment input box.Function received parameters: log ID.

Comment_post

This action function is executed when the comment has just been stored in the database.Parameters received by the function: Comment ID, comment review status ("spam", 0 (indicating no approval), 1 (indicated audited)).

Edit_comment

After the comments in the database are updated or edited, this action function is executed.Function received parameters: Comment ID.

Delete_comment

This action function is executed before the comment is about to be deleted.Function received parameters: Comment ID.

Pingback_post

After adding new pingback to the log, execute this action function.Function received parameters: Comment ID.

Pre_ping

Execute this action function before executing pingback.Parameters received by the function: The array of log links to be processed, and the "pung" setting of the log.

Trackback_post

After adding new trackback to the log, execute this action function.Function received parameters: Comment ID.

Wp_blacklist_check

This action function is executed to determine if the comment should be banned.The parameters received by the function: the name of the reviewer, email, URL, comment content, IP address, user agent (browser).This function can execute wp_die to reject the comment. It can also modify a parameter so that the comment can include the blacklist keyword set by the user in the WordPress option.

Wp_set_comment_status

When the comment status changes, this action function is executed.The parameters received by the function: the comment ID, the status string indicating the new state ("delete", "approve", "spam", "hold").