wordpress 的action钩子的动作名
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This article is a (hopefully complete) list of the action hooks available for use in plugin development in Version 2.1 and above of WordPress. For more information:
- To learn more about what filter and action hooks are, see Plugin API.
- To learn about writing plugins in general, see Writing a Plugin.
- For a reference list of filter hooks, see Plugin API/Filter Reference.
- For information about filter and action hooks in previous versions of WordPress, seePlugin API/Hooks 2.0.x.
(If you want to add to or clarify this documentation, please follow the style of the existing entries. Describe when the action runs, and if the action function takes arguments, describe the arguments.)
Contents
[hide]- 1Actions Run During a Typical Request
- 2Actions Run During an Admin Page Request
- 3Post, Page, Attachment, and Category Actions (Admin)
- 4Comment, Ping, and Trackback Actions
- 5Blogroll Actions
- 6Feed Actions
- 7Template Actions
- 8Administrative Actions
- 8.1Dashboard "Right Now" Widget Actions
- 9Advanced Actions
- 10Further Reading
Actions Run During a Typical Request
These actions are called when a logged-in user opens the home page in Version 3.3.1. This list may show only the first time each action is called, and in many cases no function is hooked to the action. Themes and plugins can cause actions to be called multiple times and at differing times during a request. As proof of this, you can see action calls specific to the Twenty Eleven theme on this list. Cron tasks may also fire when a user visits the site, adding additional action calls. This list should be viewed as a guide line or approximation of WordPress action execution order, and not a concrete specification.
Actions are called with the function do_action, except those marked (ref array), which are called with the functiondo_action_ref_array.
muplugins_loadedAfter must-use plugins are loadedregistered_taxonomyFor category, post_tag, etc.registered_post_typeFor post, page, etc.plugins_loadedAfter active plugins and pluggable functions are loadedsanitize_comment_cookies setup_theme load_textdomainFor the default domainafter_setup_themeGenerally used to initialize theme settings/options.auth_cookie_malformed auth_cookie_valid set_current_user initTypically used by plugins to initializewidgets_init register_sidebarFor each sidebar and footer areawp_register_sidebar_widgetFor each widgetwp_default_scripts(ref array)wp_default_styles(ref array)admin_bar_init add_admin_bar_menus wp_loadedAfter WordPress is fully loadedparse_request(ref array)send_headers(ref array)parse_query(ref array)pre_get_postsExposes the query-variables object before a query is executed. (ref array)posts_selection wpAfter WP object is set up (ref array)template_redirect get_header wp_head wp_enqueue_scripts twentyeleven_enqueue_color_scheme (Specific to Twenty Eleven)wp_print_styles wp_print_scripts get_search_form loop_start(ref array)the_post(ref array)get_template_part_contentTemplate part for the contentloop_end(ref array)get_sidebar dynamic_sidebar get_search_form pre_get_postsExposes the query-variables object before a query is executed. (ref array)pre_get_comments(ref array)wp_meta get_footer get_sidebarThis 'sidebar' is a footer areatwentyeleven_credits(Specific to Twenty Eleven)wp_footer wp_print_footer_scripts admin_bar_menu(ref array)wp_before_admin_bar_render wp_after_admin_bar_render shutdownPHP execution is about to endActions Run During an Admin Page Request
These actions are run when a logged-in user opens the Posts page in Version 3.3.1. This list shows only the first time an action is called, and in many cases no function is hooked to the action. Each admin page has a different list of actions depending upon the purpose of the page and the plugins installed. This list should be viewed as a guide line or approximation, and not a concrete specification.
In these actions, (hookname) depends on the page. For the Posts page it isedit.php, or for a theme's Background page it isappearance_page_custom-background.
Actions are called with the function do_action, except those marked (ref array), which are called with the functiondo_action_ref_array.
muplugins_loadedAfter must-use plugins are loadedregistered_taxonomyFor category, post_teg, etc.registered_post_typeFor post, page, etc.plugins_loadedAfter active plugins and pluggable functions are loadedsanitize_comment_cookiessetup_themeload_textdomainFor domain defaultafter_setup_themeload_textdomainFor domain twentyelevenauth_cookie_validset_current_userinitTypically used by plugins to initializewidgets_initregister_sidebarFor each sidebarwp_register_sidebar_widgetFor each widgetwp_default_scripts(ref array)wp_default_styles(ref array)admin_bar_initadd_admin_bar_menuswp_loadedAfter WordPress is fully loadedauth_cookie_validauth_redirect_admin_menuSee also: _user_admin_menu, _network_admin_menuadmin_menuSee also: user_admin_menu, network_admin_menuadmin_initcurrent_screenload-(hookname)parse_request(ref array)send_headers(ref array)parse_query(ref array)pre_get_postsExposes the query-variables object before a query is executed. (ref array)posts_selectionwpAfter WP object is set up (ref array)admin_xml_nsadmin_xml_nsadmin_enqueue_scriptsadmin_print_styles-(hookname)admin_print_stylesadmin_print_scripts-(hookname)admin_print_scriptswp_print_scriptsadmin_head-(hookname)admin_headadminmenuin_admin_headeradmin_noticesall_admin_notices(hookname)restrict_manage_poststhe_post(ref array)pre_user_query(ref array)pre_user_query(ref array)in_admin_footeradmin_footeradmin_bar_menu(ref array)wp_before_admin_bar_renderwp_after_admin_bar_renderadmin_print_footer_scriptsadmin_footer-(hookname)shutdownPHP execution is about to endPost, Page, Attachment, and Category Actions (Admin)
- add_attachment
- Runs when an attached file is first added to the database. Action function arguments: attachment ID.
- add_category
- Same as create_category.
- clean_post_cache
- Runs when post cache is cleaned. Action function arguments: post ID. See clean_post_cache().
- create_category
- Runs when a new category is created. Action function arguments: category ID.
- delete_attachment
- Runs just after an attached file is deleted from the database. Action function arguments: attachment ID.
- delete_category
- Runs just after a category is deleted from the database and its corresponding links/posts are updated to remove the category. Action function arguments: category ID.
- trash_post
- Runs when a post or page is about to be trashed. Action function arguments: post or page ID.
- trashed_post
- Runs just after a post or page is trashed. Action function arguments: post or page ID.
- before_delete_post
- Runs when a post or page is about to be deleted. Comments, attachments and metadata are still available. Action function arguments: post or page ID.
- delete_post
- Runs when a post or page is about to be deleted. Comments, attachments and metadata are already deleted. Action function arguments: post or page ID.
- deleted_post
- Runs just after a post or page is deleted. Action function arguments: post or page ID.
- edit_attachment
- Runs when an attached file is edited/updated to the database. Action function arguments: attachment ID.
- edit_category
- Runs when a category is updated/edited, including when a post or blogroll link is added/deleted or its categories are updated (which causes the count for the category to update). Action function arguments: category ID.
- edit_post
- Runs when a post or page is updated/edited, including when a comment is added or updated (which causes the comment count for the post to update). Action function arguments: post or page ID.
- pre_post_update
- Runs just before a post or page is updated. Action function arguments: post Content.
- private_to_publish
- (See also Post Status Transitions) Runs when a post is changed from private to published status. Action function arguments: post object. (Actions for all post status transitions are available: see wp_transition_post_status()).
- publish_page
- Runs when a page is published, or if it is edited and its status is "published". Action function arguments: page ID. (WARNING: this hook seems to never fire on v2.3 and higher. The 'transition_post_status' hook does work though; UPDATE : publish_page hook appears to be working as of 2.6)
- publish_phone
- Runs just after a post is added via email. Action function argument: post ID.
- publish_post
- Runs when a post is published, or if it is edited and its status is "published". Action function arguments: post ID.
- publish_future_post
- Runs when a future post or page is published. Action function arguments: post ID.
- save_post
- Runs whenever a post or page is created or updated, which could be from an import, post/page edit form, xmlrpc, or post by email. Action function arguments: post ID and post object.
Runs after the data is saved to the database.
Note that post ID may reference a post revision and not the last saved post. Usewp_is_post_revision() to get the ID of the real post.
- wp_insert_post
- Same as save_post, runs immediately afterwards.
- xmlrpc_publish_post
- Runs when a post is published via XMLRPC request, or if it is edited via XMLRPC and its status is "published". Action function arguments: post ID.
Comment, Ping, and Trackback Actions
- comment_closed
- Runs when the post is marked as not allowing comments while trying to display comment entry form. Action function argument: post ID.
- comment_id_not_found
- Runs when the post ID is not found while trying to display comments or comment entry form. Action function argument: post ID.
- comment_flood_trigger
- Runs when a comment flood is detected, just before wp_die is called to stop the comment from being accepted. Action function arguments: time of previous comment, time of current comment.
- comment_(old status)_to_(new status)
- Runs when a comment status transition occurs. Action function arguments: Comment object.
- comment_on_draft
- Runs when the post is a draft while trying to display a comment entry form or comments. Action function argument: post ID.
- comment_post
- Runs just after a comment is saved in the database. Action function arguments: comment ID, approval status ("spam", or 0/1 for disapproved/approved).
- edit_comment
- Runs after a comment is updated/edited in the database. Action function arguments: comment ID.
- delete_comment
- Runs just before a comment is deleted. Action function arguments: comment ID.
- deleted_comment
- Runs just after a comment is deleted. Action function arguments: comment ID.
- trash_comment
- Runs just before a comment is trashed. Action function arguments: comment ID.
- trashed_comment
- Runs just after a comment is trashed. Action function arguments: comment ID.
- comment_closed
- Runs when the post is marked as not a spam.
- pingback_post
- Runs when a ping is added to a post. Action function argument: comment ID.
- pre_ping
- Runs before a ping is fully processed. Action function arguments: array of the post links to be processed, and the "pung" setting for the post.
- trackback_post
- Runs when a trackback is added to a post. Action function argument: comment ID.
- wp_blacklist_check
- Runs to check whether a comment should be blacklisted. Action function arguments: author name, author email, author URL, comment text, author IP address, author's user agent (browser). Your function can execute awp_die to reject the comment, or perhaps modify one of the input arguments so that it will contain one of the blacklist keywords set in the WordPress options.
- wp_set_comment_status
- Runs when the status of a comment changes. Action function arguments: comment ID, status string indicating the new status ("delete", "approve", "spam", "hold").
Blogroll Actions
- add_link
- Runs when a new blogroll link is first added to the database. Action function arguments: link ID.
- delete_link
- Runs when a blogroll link is deleted. Action function arguments: link ID.
- edit_link
- Runs when a blogroll link is edited. Action function arguments: link ID.
Feed Actions
- atom_entry
- Runs just after the entry information has been printed (but before closing the entry tag) for each blog entry in an atom feed.
- atom_head
- Runs just after the blog information has been printed in an atom feed, just before the first entry.
- atom_ns
- Runs inside the root XML element for an atom feed (to add namespaces).
- commentrss2_item
- Runs just after a single comment's information has been printed in a comment feed (but before closing the item tag). Action function arguments: comment ID, post ID.
- do_feed_(feed)
- Runs when a feed is generated, where feed is the type of feed (rss2, atom, rdf, etc.). Usepriority less than 10 to runbefore printing the feed. Action function argument:true (the feed is for comments) orfalse (it is for posts).
- rdf_header
- Runs just after the blog information has been printed in an RDF feed, just before the first entry.
- rdf_item
- Runs just after the entry information has been printed (but before closing the item tag) for each blog entry in an RDF feed.
- rdf_ns
- Runs inside the root XML element in an RDF feed (to add namespaces).
- rss_head
- Runs just after the blog information has been printed in an RSS feed, just before the first entry.
- rss_item
- Runs just after the entry information has been printed (but before closing the item tag) for each blog entry in an RSS feed.
- rss2_head
- Runs just after the blog information has been printed in an RSS 2 feed, just before the first entry.
- rss2_item
- Runs just after the entry information has been printed (but before closing the item tag) for each blog entry in an RSS 2 feed.
- rss2_ns
- Runs inside the root XML element in an RSS 2 feed (to add namespaces).
Template Actions
- after_setup_theme
- Runs during a themes initialization. Is generally used to perform basic setup, registration, and init actions for a theme.
- comment_form
- Runs in standard themes to insert the comment form. Action function argument: post ID.
- do_robots
- Runs when the template file chooser determines that it is a robots.txt request.
- do_robotstxt
- Runs in the do_robots function before it prints out the Disallow lists for the robots.txt file.
- get_footer
- Runs when the template calls the get_footer function, just before thefooter.php template file is loaded.
- get_header
- Runs when the template calls the get_header function, just before theheader.php template file is loaded.
- switch_theme
- Runs when the blog's theme is changed. Action function argument: name of the new theme.
- template_redirect
- Runs before the determination of the template file to be used to display the requested page.
- wp_footer
- Runs when the template calls the wp_footer function, generally near the bottom of the blog page.
- wp_head
- Runs when the template calls the wp_head function. This hook is generally placed near the top of a page template between<head> and</head>. This hook does not take any parameters.
- wp_meta
- Runs when the sidebar.php template file calls the wp_meta function, to allow the plugin to insert content into the sidebar.
- wp_print_scripts
- Runs just before WordPress prints registered JavaScript scripts into the page header.
Administrative Actions
- activate_(plugin file name)
- Runs when the plugin is first activated. See Function_Reference/register_activation_hook.
- activity_box_end
- Runs at the end of the activity box on the admin Dashboard screen.
- add_category_form_pre
- Runs before the add category form is put on the screen in the admin menus.
- admin_head
- Runs in the HTML <head> section of the admin panel.
- admin_head-(page_hook) or admin_head-(plugin_page)
- Runs in the HTML <head> section of a specific admin page or the admin panel of a plugin-generated page.
- admin_init
- Runs at the beginning of every admin page before the page is rendered. See wp-admin/admin.php, wp-admin/admin-post.php, and wp-admin/admin-ajax.php.
- admin_footer-(plugin_page)
- Runs at the end of the <body> section of the admin panel of a plugin-generated page.
- admin_footer
- Runs at the end of the admin panel inside the body tag
- admin_enqueue_scripts
- Runs in the HTML header so a plugin or theme can enqueue JavaScript and CSS to all admin pages.
- admin_print_scripts
- Runs in the HTML header so a plugin can add JavaScript scripts to all admin pages.
- admin_print_scripts-(page_hook) or admin_print_scripts-(plugin_page)
- Runs to print JavaScript scripts in the HTML head section of a specific plugin-generated admin page. The (page_hook) is returned when using any of the functions that add plugin menu items to the admin menu: add_management_page(), add_options_page(), etc. Example:
function myplugin_menu() { if ( function_exists('add_management_page') ) { $page = add_management_page( 'myplugin', 'myplugin', 'manage_options', 'myplugin_slug', 'myplugin_admin_page' ); add_action( "admin_print_scripts-$page", 'myplugin_admin_head' ); }}
- admin_print_styles
- Runs in the HTML header so a plugin can add CSS/Stylesheets to all admin pages.
- admin_print_styles-(page_hook) or admin_print_style-(plugin_page)
- Runs when styles should be enqueued with wp_enqueue_style() for a particular admin page. Use the return value of a function such asadd_submenu_page() to determine the value of (page_hook).
- check_passwords
- Runs to validate the double-entry of password when creating a new user. Action function arguments: array of login name, first password, second password.
- dbx_page_advanced
- Runs at the bottom of the "advanced" section on the page editing screen in the admin menus.
- dbx_page_sidebar
- Runs at the bottom of the sidebar on the page editing screen in the admin menus.
- dbx_post_advanced
- Runs at the bottom of the "advanced" section on the post editing screen in the admin menus.
- dbx_post_sidebar
- Runs at the bottom of the sidebar on the post editing screen in the admin menus. Useadd_meta_box() in Wordpress 2.5 and higher.
- deactivate_(plugin file name)
- Runs when a plugin is deactivated.
- delete_user
- Runs when a user is deleted. Action function arguments: user ID.
- edit_category_form
- Runs after the add/edit category form is put on the screen (but before the end of the HTML form tag).
- edit_category_form_pre
- Runs before the edit category form is put on the screen in the admin menus.
- edit_tag_form
- Runs after the add/edit tag form is put on the screen (but before the end of the HTML form tag).
- edit_tag_form_pre
- Runs before the edit tag form is put on the screen in the admin menus.
- edit_form_advanced
- Runs just before the "advanced" section of the post editing form in the admin menus.
- edit_page_form
- Runs just before the "advanced" section of the page editing form in the admin menus.
- edit_user_profile
- Runs near the end of the user profile editing screen in the admin menus.
- load-(page)
- Runs when an administration menu page is loaded. This action is not usually added directly -- seeAdding Administration Menus for more details of how to add admin menus. If you do want to use it directly, the return value fromadd_options_page and similar functions gives you the(page) part of the action name.
- login_form
- Runs just before the end of the login form.
- login_head
- Runs just before the end of the HTML head section of the login page.
- lost_password
- Runs before the "retrieve your password by email" form is printed on the login screen.
- lostpassword_form
- Runs at the end of the form used to retrieve a user's password by email, to allow a plugin to supply extra fields.
- lostpassword_post
- runs when the user has requested an email message to retrieve their password, to allow a plugin to modify the PHP$_POST variable before processing.
- manage_link_custom_column
- Runs when there is an unknown column name for the blogroll managing admin screen. Action function arguments: column name, link ID. See also filtermanage_link_columns in thePlugin API/Filter Reference, which adds custom columns.
- manage_posts_custom_column
- Runs when there is an unknown column name for the managing posts admin screen. Action function arguments: column name, post ID. See also filtermanage_posts_columns in the Plugin API/Filter Reference, which adds custom columns. (see Scompt's tutorial for examples and use.)
- manage_pages_custom_column
- Runs when there is an unknown column name for the managing pages admin screen. Action function arguments: column name, page ID. See also filtermanage_pages_columns in the Plugin API/Filter Reference, which adds custom columns.
- manage_{$post_type}_posts_custom_column
- Runs when there is an unknown column name for the managing custom post type admin screen. Action function arguments: column name, post ID. See also filtermanage_${post_type}_posts_columns in the Plugin API/Filter Reference, which adds custom columns for custom post types.
- password_reset
- Runs before the user's password is reset to a random new password.
- personal_options_update
- Runs when a user updates personal options from the admin screen.
- plugins_loaded
- Runs after all plugins have been loaded.
- profile_personal_options
- Runs at the end of the Personal Options section of the user profile editing screen.
- profile_update
- Runs when a user's profile is updated. Action function argument: user ID.
- quick_edit_custom_box
- Runs when there is an unknown column name when creating the quick editor.
- register_form
- Runs just before the end of the new user registration form.
- register_post
- Runs before a new user registration request is processed.
- restrict_manage_posts
- Runs before the list of posts to edit is put on the screen in the admin menus.
- retrieve_password
- Runs when a user's password is retrieved, to send them a reminder email. Action function argument: login name.
- set_current_user
- Runs after the user has been changed by the default wp_set_current_user function. Note thatwp_set_current_user is also a "pluggable" function, meaning that plugins can override it; seePlugin API).
- show_user_profile
- Runs near the end of the user profile editing screen.
- simple_edit_form
- Runs at the end of the "simple" post editing form in the admin menus (by default the simple form is used only for bookmarklets -- it doesn't have the "advanced" sections).
- update_option_(option_name)
- Runs after a WordPress option has been updated by the update_option function. Action function arguments: old option value, new option value. You must add an action for the specific options that you want to respond to, such asupdate_option_foo to respond when option "foo" has been updated.
- upload_files_(tab)
- Runs to print a screen on the upload files admin screen; "tab" is the name of the custom action tab. Define custom tabs using thewp_upload_tabs filter (seePlugin API/Filter Reference).
- user_register
- Runs when a user's profile is first created. Action function argument: user ID.
- wp_ajax_(action)
- Runs to do an unknown type of AJAX action in the administrative menus.
- wp_authenticate
- Runs to authenticate a user when they log in. Action function arguments: array with user name and password.
- wp_login
- Runs when a user logs in.
- wp_logout
- Runs when a user logs out.
Dashboard "Right Now" Widget Actions
- right_now_content_table_end
- Adds table rows at the bottom the content column of the Right Now Dashboard widget.
- right_now_table_end
- Called after displaying the number of Spam comments in the Discussion column of the Right Now Dashboard widget.
- right_now_discussion_table_end
- Called after displaying the number of Spam comments and after the right_now_table_end action in the Discussion column of the Right Now Dashboard widget.
- right_now_end
- Called after the current version information is displayed on the Right Now Dashboardwidget.
- activity_box_end
- Last action called on the Right Now Dashboard widget.
Advanced Actions
This section contains actions related to the queries WordPress uses to figure out what posts to display, the WordPress loop, activating plugins, and other fundamental-level WordPress code.
- add_meta_boxes
- Runs when "edit post" page loads. (3.0+)
- admin_menu
- Runs after the basic admin panel menu structure is in place.
- network_admin_notices
- Runs after the admin menu is printed to network admin screens.
- user_admin_notices
- Runs after the admin menu is printed to user admin screens.
- admin_notices
- Runs after the admin menu is printed to screens that aren't network- or user-admin screens.
- all_admin_notices
- Runs after the admin menu is printed to all screens.
- blog_privacy_selector
- Runs after the default blog privacy options are printed on the screen.
- check_admin_referer
- Runs in the default check_admin_referrer function after the nonce has been checked for security purposes, to allow a plugin to force WordPress to die for extra security reasons. Note thatcheck_admin_referrer is also a "pluggable" function, meaning that plugins can override it; seePlugin API).
- check_ajax_referer
- Runs in the default check_ajax_referer function (which is called when an AJAX request goes to thewp-admin/admin-ajax.php script) after the user's login and password have been successfully validated from cookies, to allow a plugin to force WordPress to die for extra security reasons. Note thatcheck_ajax_referer is also a "pluggable" function, meaning that plugins can override it; seePlugin API).
- generate_rewrite_rules
- Runs after the rewrite rules are generated. Action function arguments: WP_Rewrite object ($wp_rewrite) by reference. Note that it is easier to use therewrite_rules_array filter instead of this action, to modify the rewrite rules.
- init
- Runs after WordPress has finished loading but before any headers are sent. Useful for intercepting $_GET or $_POST triggers.
- loop_end
- Runs after the last post of the WordPress loop is processed.
- loop_start
- Runs before the first post of the WordPress loop is processed.
- network_admin_menu
- Runs when the basic menu structure is prepared for the Network administration page. (Administration Menus)
- parse_query
- Runs at the end of query parsing in the main query or any instance of WP_Query, such as query_posts, get_posts, or get_children. Action function arguments: WP_Query object by reference.
- parse_request
- Runs after the query request is parsed inside the main WordPress function wp. Action function argument: WP object ($wp) by reference.
- pre_get_posts
- Runs before a query is executed in the main query or any instance of WP_Query, such as query_posts, get_posts, or get_children. Action function arguments: WP_Query object by reference.
- sanitize_comment_cookies
- Runs after cookies have been read from the HTTP request.
- send_headers
- Runs after the basic HTTP headers are sent inside the main WordPress functionwp. Action function argument:WP object ($wp) by reference.
- shutdown
- Runs when the page output is complete.
- wp_loaded
- This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated.
- wp
- Executes after the query has been parsed and post(s) loaded, but before any template execution, inside the main WordPress functionwp. Useful if you need to have access to post data but can't use templates for output. Action function argument:WP object ($wp) by reference.
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