apply_filters() – Function | Developer.WordPress.org

Calls the callback functions that have been added to a filter hook.

Description

This function invokes all functions attached to filter hook $hook_name.
It is possible to create new filter hooks by simply calling this function, specifying the name of the new hook using the $hook_name parameter.

The function also allows for multiple additional arguments to be passed to hooks.

Example usage:

// The filter callback function.
function example_callback( $string, $arg1, $arg2 ) {
    // (maybe) modify $string.
    return $string;
}
add_filter( 'example_filter', 'example_callback', 10, 3 );

/*
 * Apply the filters by calling the 'example_callback()' function
 * that's hooked onto `example_filter` above.
 *
 * - 'example_filter' is the filter hook.
 * - 'filter me' is the value being filtered.
 * - $arg1 and $arg2 are the additional arguments passed to the callback.
$value = apply_filters( 'example_filter', 'filter me', $arg1, $arg2 );

Parameters

$hook_namestringrequired: The name of the filter hook.
$valuemixedrequired: The value to filter.
$argsmixedoptional: Additional parameters to pass to the callback functions.

Return

mixed The filtered value after all hooked functions are applied to it.

Source

function apply_filters( $hook_name, $value, ...$args ) {
	global $wp_filter, $wp_filters, $wp_current_filter;

	if ( ! isset( $wp_filters[ $hook_name ] ) ) {
		$wp_filters[ $hook_name ] = 1;
	} else {
		++$wp_filters[ $hook_name ];
	}

	// Do 'all' actions first.
	if ( isset( $wp_filter['all'] ) ) {
		$wp_current_filter[] = $hook_name;

		$all_args = func_get_args(); // phpcs:ignore PHPCompatibility.FunctionUse.ArgumentFunctionsReportCurrentValue.NeedsInspection
		_wp_call_all_hook( $all_args );
	}

	if ( ! isset( $wp_filter[ $hook_name ] ) ) {
		if ( isset( $wp_filter['all'] ) ) {
			array_pop( $wp_current_filter );
		}

		return $value;
	}

	if ( ! isset( $wp_filter['all'] ) ) {
		$wp_current_filter[] = $hook_name;
	}

	// Pass the value to WP_Hook.
	array_unshift( $args, $value );

	$filtered = $wp_filter[ $hook_name ]->apply_filters( $value, $args );

	array_pop( $wp_current_filter );

	return $filtered;
}

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Uses	Description
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WP_Sitemaps_Posts::get_max_num_pages()`wp-includes/sitemaps/providers/class-wp-sitemaps-posts.php`	Gets the max number of pages available for the object type.
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WP_Automatic_Updater::send_plugin_theme_email()`wp-admin/includes/class-wp-automatic-updater.php`	Sends an email upon the completion or failure of a plugin or theme background update.
WP_Automatic_Updater::after_plugin_theme_update()`wp-admin/includes/class-wp-automatic-updater.php`	Checks whether an email should be sent after attempting plugin or theme updates.
wp_is_auto_update_enabled_for_type()`wp-admin/includes/update.php`	Checks whether auto-updates are enabled.
Plugin_Installer_Skin::do_overwrite()`wp-admin/includes/class-plugin-installer-skin.php`	Checks if the plugin can be overwritten and outputs the HTML for overwriting a plugin on upload.
Theme_Installer_Skin::do_overwrite()`wp-admin/includes/class-theme-installer-skin.php`	Checks if the theme can be overwritten and outputs the HTML for overwriting a theme on upload.
WP_MS_Themes_List_Table::column_autoupdates()`wp-admin/includes/class-wp-ms-themes-list-table.php`	Handles the auto-updates column output.
wp_ajax_toggle_auto_updates()`wp-admin/includes/ajax-actions.php`	Handles enabling or disable plugin and theme auto-updates via AJAX.
wp_theme_auto_update_setting_template()`wp-admin/themes.php`	Returns the JavaScript template used to display the auto-update setting for a theme.
WP_Site_Health::perform_test()`wp-admin/includes/class-wp-site-health.php`	Runs a Site Health test directly.
wpdb::log_query()`wp-includes/class-wpdb.php`	Logs query data.
WP_Image_Editor::maybe_exif_rotate()`wp-includes/class-wp-image-editor.php`	Check if a JPEG image has EXIF Orientation tag and rotate it if needed.
wp_date()`wp-includes/functions.php`	Retrieves the date, in localized format.
wp_get_original_image_path()`wp-includes/post.php`	Retrieves the path to an uploaded image file.
wp_get_original_image_url()`wp-includes/post.php`	Retrieves the URL to an original attachment image.
get_post_states()`wp-admin/includes/template.php`	Retrieves an array of post states from a post.
wp_get_missing_image_subsizes()`wp-admin/includes/image.php`	Compare the existing image sub-sizes (as saved in the attachment meta) to the currently registered image sub-sizes, and return the difference.
wp_update_image_subsizes()`wp-admin/includes/image.php`	If any of the currently registered image sub-sizes are missing, create them and update the image meta data.
wp_create_image_subsizes()`wp-admin/includes/image.php`	Creates image sub-sizes, adds the new data to the image meta `sizes` array, and updates the image metadata.
WP_Privacy_Data_Removal_Requests_List_Table::column_email()`wp-admin/includes/class-wp-privacy-data-removal-requests-list-table.php`	Outputs the Actions column.
WP_Privacy_Data_Removal_Requests_List_Table::column_next_steps()`wp-admin/includes/class-wp-privacy-data-removal-requests-list-table.php`	Outputs the Next steps column.
WP_MS_Sites_List_Table::site_states()`wp-admin/includes/class-wp-ms-sites-list-table.php`	Determines whether to output comma-separated site states.
WP_Privacy_Data_Export_Requests_List_Table::column_email()`wp-admin/includes/class-wp-privacy-data-export-requests-list-table.php`	Actions column.
WP_Privacy_Data_Export_Requests_List_Table::column_next_steps()`wp-admin/includes/class-wp-privacy-data-export-requests-list-table.php`	Displays the next steps column.
WP_Recovery_Mode::get_email_rate_limit()`wp-includes/class-wp-recovery-mode.php`	Gets the rate limit between sending new recovery mode email links.
WP_Recovery_Mode::get_link_ttl()`wp-includes/class-wp-recovery-mode.php`	Gets the number of seconds the recovery mode link is valid for.
wp_is_jsonp_request()`wp-includes/load.php`	Checks whether current request is a JSONP request, or is expecting a JSONP response.
is_protected_endpoint()`wp-includes/load.php`	Determines whether we are currently on an endpoint that should be protected against WSODs.
is_protected_ajax_action()`wp-includes/load.php`	Determines whether we are currently handling an Ajax action that should be protected against WSODs.
get_feed_build_date()`wp-includes/feed.php`	Gets the UTC time of the most recently modified post from WP_Query.
WP_Recovery_Mode_Email_Service::send_recovery_mode_email()`wp-includes/class-wp-recovery-mode-email-service.php`	Sends the Recovery Mode email to the site admin email address.
WP_Recovery_Mode_Link_Service::get_recovery_mode_begin_url()`wp-includes/class-wp-recovery-mode-link-service.php`	Gets a URL to begin recovery mode.
WP_Recovery_Mode_Cookie_Service::set_cookie()`wp-includes/class-wp-recovery-mode-cookie-service.php`	Sets the recovery mode cookie.
WP_Recovery_Mode_Cookie_Service::validate_cookie()`wp-includes/class-wp-recovery-mode-cookie-service.php`	Validates the recovery mode cookie.
wp_is_fatal_error_handler_enabled()`wp-includes/error-protection.php`	Checks whether the fatal error handler is enabled.
WP_Fatal_Error_Handler::display_default_error_template()`wp-includes/class-wp-fatal-error-handler.php`	Displays the default PHP error template.
WP_Fatal_Error_Handler::should_handle_error()`wp-includes/class-wp-fatal-error-handler.php`	Determines whether we are dealing with an error that WordPress should handle in order to protect the admin backend against WSODs.
wp_filter_oembed_iframe_title_attribute()`wp-includes/embed.php`	Filters the given oEmbed HTML to make sure iframes have a title attribute.
WP_Query::generate_postdata()`wp-includes/class-wp-query.php`	Generates post data.
WP_Debug_Data::debug_data()`wp-admin/includes/class-wp-debug-data.php`	Static function for generating site debug data when required.
wp_trusted_keys()`wp-admin/includes/file.php`	Retrieves the list of signing keys trusted by WordPress.
WP_Site_Health::get_test_rest_availability()`wp-admin/includes/class-wp-site-health.php`	Tests if the REST API is accessible.
WP_Site_Health::get_tests()`wp-admin/includes/class-wp-site-health.php`	Returns a set of tests that belong to the site status page.
WP_Site_Health::can_perform_loopback()`wp-admin/includes/class-wp-site-health.php`	Runs a loopback test on the site.
WP_Site_Health::get_test_php_extensions()`wp-admin/includes/class-wp-site-health.php`	Tests if required PHP modules are installed on the host.
WP_Posts_List_Table::formats_dropdown()`wp-admin/includes/class-wp-posts-list-table.php`	Displays a formats drop-down for filtering items.
WP_Site_Health_Auto_Updates::test_accepts_dev_updates()`wp-admin/includes/class-wp-site-health-auto-updates.php`	Checks if the install is using a development branch and can use nightly packages.
WP_Site_Health_Auto_Updates::test_accepts_minor_updates()`wp-admin/includes/class-wp-site-health-auto-updates.php`	Checks if the site supports automatic minor updates.
WP_Site_Health_Auto_Updates::test_filters_automatic_updater_disabled()`wp-admin/includes/class-wp-site-health-auto-updates.php`	Checks if automatic updates are disabled by a filter.
WP_Site_Health_Auto_Updates::test_vcs_abspath()`wp-admin/includes/class-wp-site-health-auto-updates.php`	Checks if WordPress is controlled by a VCS (Git, Subversion etc).
wp_get_direct_php_update_url()`wp-includes/functions.php`	Gets the URL for directly updating the PHP version the site is running on.
wp_targeted_link_rel_callback()`wp-includes/formatting.php`	Callback to add `rel="noopener"` string to HTML A element.
wp_using_themes()`wp-includes/load.php`	Determines whether the current request should use themes.
wp_get_ready_cron_jobs()`wp-includes/cron.php`	Retrieves cron jobs ready to be run.
wp_get_scheduled_event()`wp-includes/cron.php`	Retrieves a scheduled event.
wp_initialize_site()`wp-includes/ms-site.php`	Runs the initialization routine for a given site.
wp_uninitialize_site()`wp-includes/ms-site.php`	Runs the uninitialization routine for a given site.
wp_is_site_initialized()`wp-includes/ms-site.php`	Checks whether a site is initialized.
wp_prepare_site_data()`wp-includes/ms-site.php`	Prepares site data for insertion or update in the database.
wp_get_update_php_url()`wp-includes/functions.php`	Gets the URL to learn more about updating the PHP version the site is running on.
is_avatar_comment_type()`wp-includes/link-template.php`	Check if this comment type allows avatars to be retrieved.
wp_check_php_version()`wp-admin/includes/misc.php`	Checks if the user needs to update PHP.
populate_network_meta()`wp-admin/includes/schema.php`	Creates WordPress network meta and sets the default values.
populate_site_meta()`wp-admin/includes/schema.php`	Creates WordPress site meta and sets the default values.
load_script_translations()`wp-includes/l10n.php`	Loads the translation data for the given script handle and text domain.
wp_kses_uri_attributes()`wp-includes/kses.php`	Returns an array of HTML attribute names whose value contains a URL.
WP_REST_Themes_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php`	Prepares a single theme output for response.
WP_REST_Themes_Controller::get_collection_params()`wp-includes/rest-api/endpoints/class-wp-rest-themes-controller.php`	Retrieves the search params for the themes collection.
WP_REST_Autosaves_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php`	Prepares the revision for the REST response.
WP_REST_Revisions_Controller::prepare_items_query()`wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php`	Determines the allowed query_vars for a get_items() response and prepares them for WP_Query.
WP_REST_Post_Search_Handler::search_items()`wp-includes/rest-api/search/class-wp-rest-post-search-handler.php`	Searches posts for a given search request.
load_script_textdomain()`wp-includes/l10n.php`	Loads the script translated strings.
determine_locale()`wp-includes/l10n.php`	Determines the current locale desired for the request.
wp_get_script_polyfill()`wp-includes/script-loader.php`	Returns contents of an inline script used in appending polyfill scripts for browsers which fail the provided tests. The provided array is a mapping from a condition to verify feature support to its polyfill script handle.
wp_tinymce_inline_scripts()`wp-includes/script-loader.php`	Adds inline scripts required for the TinyMCE in the block editor.
get_oembed_response_data_for_url()`wp-includes/embed.php`	Retrieves the oEmbed response data for a given URL.
wp_get_code_editor_settings()`wp-includes/general-template.php`	Generates and returns code editor settings.
rest_preload_api_request()`wp-includes/rest-api.php`	Append result of internal request to REST API for purpose of preloading data to be attached to a page.
WP_Block_Type::set_props()`wp-includes/class-wp-block-type.php`	Sets block type properties.
parse_blocks()`wp-includes/blocks.php`	Parses blocks out of a content string.
excerpt_remove_blocks()`wp-includes/blocks.php`	Parses blocks out of a content string, and renders those appropriate for the excerpt.
render_block()`wp-includes/blocks.php`	Renders a single block into a HTML string.
the_block_editor_meta_boxes()`wp-admin/includes/post.php`	Renders the meta boxes forms.
use_block_editor_for_post_type()`wp-includes/post.php`	Returns whether a post type is compatible with the block editor.
get_block_categories()`wp-includes/block-editor.php`	Returns all the categories for block types that will be shown in the block editor.
use_block_editor_for_post()`wp-includes/post.php`	Returns whether the post can be edited in the block editor.
get_object_subtype()`wp-includes/meta.php`	Returns the object subtype for a given object ID of a specific type.
wp_comments_personal_data_eraser()`wp-includes/comment.php`	Erases personal data associated with an email address from the comments table.
wp_privacy_delete_old_export_files()`wp-includes/functions.php`	Cleans up export files older than three days old.
wp_privacy_exports_dir()`wp-includes/functions.php`	Returns the directory used to store personal data export files.
wp_privacy_exports_url()`wp-includes/functions.php`	Returns the URL of the directory used to store personal data export files.
wp_privacy_anonymize_data()`wp-includes/functions.php`	Returns uniform “anonymous” data by type.
wp_validate_user_request_key()`wp-includes/user.php`	Validates a user request by comparing the key with the request’s key.
_wp_privacy_send_request_confirmation_notification()`wp-includes/user.php`	Notifies the site administrator via email when a request is confirmed.
_wp_privacy_send_erasure_fulfillment_notification()`wp-includes/user.php`	Notifies the user when their erasure request is fulfilled.
_wp_privacy_account_request_confirmed_message()`wp-includes/user.php`	Returns request confirmation message HTML.
wp_user_request_action_description()`wp-includes/user.php`	Gets action description from the name and return a string.
wp_send_user_request()`wp-includes/user.php`	Send a confirmation request email to confirm an action.
wp_user_personal_data_exporter()`wp-includes/user.php`	Finds and exports personal data associated with an email address from the user and user_meta table.
get_the_privacy_policy_link()`wp-includes/link-template.php`	Returns the privacy policy link with formatting, when applicable.
get_privacy_policy_url()`wp-includes/link-template.php`	Retrieves the URL to the privacy policy page.
wp_privacy_process_personal_data_export_page()`wp-admin/includes/privacy-tools.php`	Intercept personal data exporter page Ajax responses in order to assemble the personal data export file.
wp_privacy_send_personal_data_export_email()`wp-admin/includes/privacy-tools.php`	Send an email to the user with a link to the personal data export file
wp_privacy_process_personal_data_erasure_page()`wp-admin/includes/privacy-tools.php`	Mark erasure requests as completed after processing is finished.
_wp_personal_data_cleanup_requests()`wp-admin/includes/privacy-tools.php`	Cleans up failed and expired requests before displaying the list table.
wp_ajax_wp_privacy_export_personal_data()`wp-admin/includes/ajax-actions.php`	Handles exporting a user’s personal data via AJAX.
wp_ajax_wp_privacy_erase_personal_data()`wp-admin/includes/ajax-actions.php`	Handles erasing personal data via AJAX.
WP_Network::get_main_site_id()`wp-includes/class-wp-network.php`	Returns the main site ID for the network.
wp_unschedule_hook()`wp-includes/cron.php`	Unschedules all events attached to the hook.
WP_Customize_Manager::handle_load_themes_request()`wp-includes/class-wp-customize-manager.php`	Loads themes into the theme browsing/installation UI.
WP_Customize_Manager::trash_changeset_post()`wp-includes/class-wp-customize-manager.php`	Trashes or deletes a changeset post.
WP_Customize_Manager::branching()`wp-includes/class-wp-customize-manager.php`	Whether the changeset branching is allowed.
get_the_post_type_description()`wp-includes/general-template.php`	Retrieves the description for a post type archive.
wp_get_nav_menu_name()`wp-includes/nav-menu.php`	Returns the name of a navigation menu.
wp_site_admin_email_change_notification()`wp-includes/functions.php`	Sends an email to the old site admin email address when the site admin email address changes.
WP_Widget_Media_Gallery::get_instance_schema()`wp-includes/widgets/class-wp-widget-media-gallery.php`	Get schema for properties of a widget instance (item).
WP_Widget_Custom_HTML::widget()`wp-includes/widgets/class-wp-widget-custom-html.php`	Outputs the content for the current Custom HTML widget instance.
update_network_option_new_admin_email()`wp-includes/ms-functions.php`	Sends a confirmation request email when a change of network admin email address is attempted.
wp_network_admin_email_change_notification()`wp-includes/ms-functions.php`	Sends an email to the old network admin email address when the network admin email address changes.
wp_admin_headers()`wp-admin/includes/misc.php`	Sends a referrer policy header so referrers are not sent externally from administration screens.
wp_get_plugin_file_editable_extensions()`wp-admin/includes/file.php`	Gets the list of file extensions that are editable in plugins.
wp_get_theme_file_editable_extensions()`wp-admin/includes/file.php`	Gets the list of file extensions that are editable for a given theme.
wp_edit_theme_plugin_file()`wp-admin/includes/file.php`	Attempts to edit a file for a theme or plugin.
wp_doing_cron()`wp-includes/load.php`	Determines whether the current request is a WordPress cron request.
wp_is_file_mod_allowed()`wp-includes/load.php`	Determines whether file modifications are allowed.
WP_oEmbed_Controller::get_proxy_item()`wp-includes/class-wp-oembed-controller.php`	Callback for the proxy API endpoint.
WP_Widget_Media_Audio::enqueue_preview_scripts()`wp-includes/widgets/class-wp-widget-media-audio.php`	Enqueue preview scripts.
WP_Widget_Media_Video::enqueue_preview_scripts()`wp-includes/widgets/class-wp-widget-media-video.php`	Enqueue preview scripts.
WP_Widget_Media::get_instance_schema()`wp-includes/widgets/class-wp-widget-media.php`	Get schema for properties of a widget instance (item).
WP_Widget_Media::widget()`wp-includes/widgets/class-wp-widget-media.php`	Displays the widget on the front-end.
rest_get_avatar_sizes()`wp-includes/rest-api.php`	Retrieves the pixel sizes for avatars.
create_initial_rest_routes()`wp-includes/rest-api.php`	Registers default REST API routes.
wp_doing_ajax()`wp-includes/load.php`	Determines whether the current request is a WordPress Ajax request.
WP_Customize_Manager::get_allowed_urls()`wp-includes/class-wp-customize-manager.php`	Gets URLs allowed to be previewed.
WP_Customize_Manager::save_changeset_post()`wp-includes/class-wp-customize-manager.php`	Saves the post for the loaded changeset.
get_theme_starter_content()`wp-includes/theme.php`	Expands a theme’s starter content configuration using core-provided data.
wp_update_custom_css_post()`wp-includes/theme.php`	Updates the `custom_css` post for a given theme.
wp_get_custom_css()`wp-includes/theme.php`	Fetches the saved Custom CSS content for rendering.
get_header_video_url()`wp-includes/theme.php`	Retrieves header video URL for custom header.
get_header_video_settings()`wp-includes/theme.php`	Retrieves header video settings.
is_header_video_active()`wp-includes/theme.php`	Checks whether the custom header video is eligible to show on the current page.
WP_REST_Users_Controller::check_username()`wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php`	Check a username for the REST API.
WP_REST_Users_Controller::get_collection_params()`wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php`	Retrieves the query params for collections.
WP_REST_Users_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php`	Prepares a single user output for response.
WP_REST_Users_Controller::prepare_item_for_database()`wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php`	Prepares a single user for creation or update.
WP_REST_Users_Controller::get_items()`wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php`	Retrieves all users.
WP_REST_Revisions_Controller::prepare_excerpt_response()`wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php`	Checks the post excerpt and prepare it for single post output.
WP_REST_Revisions_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php`	Prepares the revision for the REST response.
WP_REST_Revisions_Controller::get_items()`wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php`	Gets a collection of revisions.
WP_REST_Attachments_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php`	Prepares a single attachment output for response.
WP_REST_Post_Statuses_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php`	Prepares a post status object for serialization.
WP_REST_Settings_Controller::get_item()`wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php`	Retrieves the settings.
WP_REST_Settings_Controller::update_item()`wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php`	Updates settings for the settings object.
WP_REST_Terms_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php`	Prepares a single term output for response.
WP_REST_Terms_Controller::get_collection_params()`wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php`	Retrieves the query params for collections.
WP_REST_Terms_Controller::prepare_item_for_database()`wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php`	Prepares a single term for create or update.
WP_REST_Terms_Controller::get_items()`wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php`	Retrieves terms associated with a taxonomy.
WP_REST_Posts_Controller::get_item_schema()`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php`	Retrieves the post’s schema, conforming to JSON Schema.
WP_REST_Posts_Controller::get_collection_params()`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php`	Retrieves the query params for the posts collection.
WP_REST_Posts_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php`	Prepares a single post output for response.
WP_REST_Posts_Controller::prepare_items_query()`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php`	Determines the allowed query_vars for a get_items() response and prepares them for WP_Query.
WP_REST_Posts_Controller::prepare_item_for_database()`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php`	Prepares a single post for create or update.
WP_REST_Posts_Controller::delete_item()`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php`	Deletes a single post.
WP_REST_Posts_Controller::get_items()`wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php`	Retrieves a collection of posts.
WP_REST_Taxonomies_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php`	Prepares a taxonomy object for serialization.
WP_REST_Post_Types_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php`	Prepares a post type object for serialization.
WP_REST_Comments_Controller::get_collection_params()`wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php`	Retrieves the query params for collections.
WP_REST_Comments_Controller::prepare_item_for_response()`wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php`	Prepares a single comment output for response.
WP_REST_Comments_Controller::prepare_item_for_database()`wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php`	Prepares a single comment to be inserted into the database.
WP_REST_Comments_Controller::delete_item()`wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php`	Deletes a comment.
WP_REST_Comments_Controller::create_item_permissions_check()`wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php`	Checks if a given request has access to create a comment.
WP_REST_Comments_Controller::create_item()`wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php`	Creates a comment.
WP_REST_Comments_Controller::get_items()`wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php`	Retrieves a list of comment items.
WP_Taxonomy::set_props()`wp-includes/class-wp-taxonomy.php`	Sets taxonomy properties.
sanitize_textarea_field()`wp-includes/formatting.php`	Sanitizes a multiline string from user input or from the database.
wp_check_comment_flood()`wp-includes/comment.php`	Checks whether comment flooding is occurring.
get_parent_theme_file_path()`wp-includes/link-template.php`	Retrieves the path of a file in the parent theme.
get_parent_theme_file_uri()`wp-includes/link-template.php`	Retrieves the URL of a file in the parent theme.
get_theme_file_path()`wp-includes/link-template.php`	Retrieves the path of a file in the theme.
get_theme_file_uri()`wp-includes/link-template.php`	Retrieves the URL of a file in the theme.
WP_Customize_Custom_CSS_Setting::value()`wp-includes/customize/class-wp-customize-custom-css-setting.php`	Fetch the value of the setting. Will return the previewed value when `preview()` is called.
WP_Customize_Nav_Menu_Item_Setting::get_original_title()`wp-includes/customize/class-wp-customize-nav-menu-item-setting.php`	Get original title.
WP_Term_Query::parse_orderby()`wp-includes/class-wp-term-query.php`	Parse and sanitize ‘orderby’ keys passed to the term query.
WP_Term_Query::get_terms()`wp-includes/class-wp-term-query.php`	Retrieves the query results.
WP_Term_Query::parse_query()`wp-includes/class-wp-term-query.php`	Parse arguments passed to the term query with default query parameters.
WP_Customize_Manager::validate_setting_values()`wp-includes/class-wp-customize-manager.php`	Validates setting values.
WP_Customize_Setting::validate()`wp-includes/class-wp-customize-setting.php`	Validates an input.
WP_Network_Query::set_found_networks()`wp-includes/class-wp-network-query.php`	Populates found_networks and max_num_pages properties for the current query if the limit clause was used.
wp_resource_hints()`wp-includes/general-template.php`	Prints resource hints to browsers for pre-fetching, pre-rendering and pre-connecting to websites.
get_network()`wp-includes/ms-network.php`	Retrieves network data given a network ID or network object.
get_site()`wp-includes/ms-site.php`	Retrieves site data given a site ID or site object.
WP_Post_Type::set_props()`wp-includes/class-wp-post-type.php`	Sets post type properties.
WP_Site::get_details()`wp-includes/class-wp-site.php`	Retrieves the details for this site.
WP_Comment_Query::set_found_comments()`wp-includes/class-wp-comment-query.php`	Populates found_comments and max_num_pages properties for the current query if the limit clause was used.
the_post_thumbnail_caption()`wp-includes/post-thumbnail-template.php`	Displays the post thumbnail caption.
wp_raise_memory_limit()`wp-includes/functions.php`	Attempts to raise the PHP memory limit for memory intensive processes.
_deprecated_hook()`wp-includes/functions.php`	Marks a deprecated action or filter hook as deprecated and throws a notice.
wp_get_ext_types()`wp-includes/functions.php`	Retrieves the list of common file extensions and their types.
wp_get_canonical_url()`wp-includes/link-template.php`	Returns the canonical URL for a post.
wp_get_attachment_caption()`wp-includes/post.php`	Retrieves the caption for an attachment.
WP_Site_Query::get_site_ids()`wp-includes/class-wp-site-query.php`	Used internally to get a list of site IDs matching the query vars.
WP_Site_Query::set_found_sites()`wp-includes/class-wp-site-query.php`	Populates found_sites and max_num_pages properties for the current query if the limit clause was used.
WP_Posts_List_Table::categories_dropdown()`wp-admin/includes/class-wp-posts-list-table.php`	Displays a categories drop-down for filtering on the Posts list table.
network_edit_site_nav()`wp-admin/includes/ms.php`	Outputs the HTML for a network’s “Edit Site” tabular interface.
wxr_term_meta()`wp-admin/includes/export.php`	Outputs term meta XML tags for a given term object.
rest_get_server()`wp-includes/rest-api.php`	Retrieves the current REST server instance.
the_embed_site_title()`wp-includes/embed.php`	Prints the necessary markup for the site title in an embed template.
WP_Customize_Manager::get_nonces()`wp-includes/class-wp-customize-manager.php`	Gets nonces for the Customizer.
WP_Customize_Manager::get_previewable_devices()`wp-includes/class-wp-customize-manager.php`	Returns a list of devices to allow previewing.
WP_Image_Editor_Imagick::thumbnail_image()`wp-includes/class-wp-image-editor-imagick.php`	Efficiently resize the current image
get_custom_logo()`wp-includes/general-template.php`	Returns a custom logo, linked to home unless the theme supports removing the link on the home page.
WP_REST_Request::from_url()`wp-includes/rest-api/class-wp-rest-request.php`	Retrieves a WP_REST_Request object from a full URL.
WP_REST_Response::get_curies()`wp-includes/rest-api/class-wp-rest-response.php`	Retrieves the CURIEs (compact URIs) used for relations.
_wp_get_current_user()`wp-includes/user.php`	Retrieves the current user object.
wp_authenticate_email_password()`wp-includes/user.php`	Authenticates a user using the email and password.
wp_get_comment_fields_max_lengths()`wp-includes/comment.php`	Retrieves the maximum character lengths for the comment form fields.
WP_Customize_Partial::render()`wp-includes/customize/class-wp-customize-partial.php`	Renders the template partial involving the associated settings.
WP_Customize_Selective_Refresh::add_dynamic_partials()`wp-includes/customize/class-wp-customize-selective-refresh.php`	Registers dynamically-created partials.
WP_Customize_Selective_Refresh::handle_render_partials_request()`wp-includes/customize/class-wp-customize-selective-refresh.php`	Handles the Ajax request to return the rendered partials for the requested placements.
WP_Customize_Selective_Refresh::add_partial()`wp-includes/customize/class-wp-customize-selective-refresh.php`	Adds a partial.
WP_Network::get_by_path()`wp-includes/class-wp-network.php`	Retrieves the closest matching network for a domain and path.
get_rest_url()`wp-includes/rest-api.php`	Retrieves the URL to a REST endpoint on a site.
rest_get_url_prefix()`wp-includes/rest-api.php`	Retrieves the URL prefix for any API resource.
the_excerpt_embed()`wp-includes/embed.php`	Displays the post excerpt for the embed template.
wp_oembed_add_discovery_links()`wp-includes/embed.php`	Adds oEmbed discovery links in the head element of the website.
get_post_embed_url()`wp-includes/embed.php`	Retrieves the URL to embed a specific post in an iframe.
get_oembed_endpoint_url()`wp-includes/embed.php`	Retrieves the oEmbed endpoint URL for a given permalink.
get_post_embed_html()`wp-includes/embed.php`	Retrieves the embed code for a specific post.
get_oembed_response_data()`wp-includes/embed.php`	Retrieves the oEmbed response data for a given post.
get_header_image_tag()`wp-includes/theme.php`	Creates image tag markup for a custom header image.
get_the_author_posts_link()`wp-includes/author-template.php`	Retrieves an HTML link to the author page of the current post’s author.
wp_get_document_title()`wp-includes/general-template.php`	Returns document title for the current page.
wp_calculate_image_srcset()`wp-includes/media.php`	A helper function to calculate the image sources to include in a ‘srcset’ attribute.
wp_calculate_image_sizes()`wp-includes/media.php`	Creates a ‘sizes’ attribute value for an image.
WP_REST_Request::get_parameter_order()`wp-includes/rest-api/class-wp-rest-request.php`	Retrieves the parameter priority order.
WP_REST_Server::get_data_for_routes()`wp-includes/rest-api/class-wp-rest-server.php`	Retrieves the publicly-visible data for routes.
WP_REST_Server::dispatch()`wp-includes/rest-api/class-wp-rest-server.php`	Matches the request to a callback and call it.
WP_REST_Server::get_index()`wp-includes/rest-api/class-wp-rest-server.php`	Retrieves the site index.
WP_REST_Server::get_namespace_index()`wp-includes/rest-api/class-wp-rest-server.php`	Retrieves the index for a namespace.
WP_REST_Server::envelope_response()`wp-includes/rest-api/class-wp-rest-server.php`	Wraps the response in an envelope.
WP_REST_Server::get_routes()`wp-includes/rest-api/class-wp-rest-server.php`	Retrieves the route map.
WP_REST_Server::serve_request()`wp-includes/rest-api/class-wp-rest-server.php`	Handles serving a REST API request.
WP_REST_Server::embed_links()`wp-includes/rest-api/class-wp-rest-server.php`	Embeds the links from the data into the request.
WP_REST_Server::check_authentication()`wp-includes/rest-api/class-wp-rest-server.php`	Checks the authentication headers if supplied.
WP_oEmbed_Controller::get_item()`wp-includes/class-wp-oembed-controller.php`	Callback for the embed API endpoint.
WP_oEmbed_Controller::register_routes()`wp-includes/class-wp-oembed-controller.php`	Register the oEmbed REST API route.
get_the_post_thumbnail_url()`wp-includes/post-thumbnail-template.php`	Returns the post thumbnail URL.
wp_removable_query_args()`wp-includes/functions.php`	Returns an array of single-use query variable names that can be removed from a URL.
wp_handle_comment_submission()`wp-includes/comment.php`	Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form.
wp_new_comment_notify_moderator()`wp-includes/comment.php`	Sends a comment moderation notification to the comment moderator.
wp_new_comment_notify_postauthor()`wp-includes/comment.php`	Sends a notification of a new comment to the post author.
get_preview_post_link()`wp-includes/link-template.php`	Retrieves the URL used for the post preview.
is_post_type_viewable()`wp-includes/post.php`	Determines whether a post type is considered “viewable”.
update_network_option()`wp-includes/option.php`	Updates the value of a network option that was already added.
add_network_option()`wp-includes/option.php`	Adds a new network option.
get_network_option()`wp-includes/option.php`	Retrieves a network’s option value based on the option name.
get_subdirectory_reserved_names()`wp-includes/ms-functions.php`	Retrieves a list of reserved site on a sub-directory Multisite installation.
WP_Screen::render_view_mode()`wp-admin/includes/class-wp-screen.php`	Renders the list table view mode preferences.
WP_Users_List_Table::get_role_list()`wp-admin/includes/class-wp-users-list-table.php`	Returns an array of translated user role names for a given user object.
signup_get_available_languages()`wp-signup.php`	Retrieves languages available during the site/user sign-up process.
WP_Customize_Nav_Menu_Setting::sanitize()`wp-includes/customize/class-wp-customize-nav-menu-setting.php`	Sanitize an input.
WP_Customize_Nav_Menu_Item_Setting::value_as_wp_post_nav_menu_item()`wp-includes/customize/class-wp-customize-nav-menu-item-setting.php`	Get the value emulated into a WP_Post and set up as a nav_menu_item.
WP_Customize_Nav_Menu_Item_Setting::sanitize()`wp-includes/customize/class-wp-customize-nav-menu-item-setting.php`	Sanitize an input.
get_language_attributes()`wp-includes/general-template.php`	Gets the language attributes for the ‘html’ tag.
wp_site_icon()`wp-includes/general-template.php`	Displays site icon meta tags.
get_site_icon_url()`wp-includes/general-template.php`	Returns the Site Icon URL.
get_main_network_id()`wp-includes/functions.php`	Gets the main network ID.
_deprecated_constructor()`wp-includes/functions.php`	Marks a constructor as deprecated and informs when it has been used.
format_for_editor()`wp-includes/formatting.php`	Formats text for the editor.
get_default_comment_status()`wp-includes/comment.php`	Gets the default comment status for a post type.
WP_Customize_Nav_Menus::search_available_items_query()`wp-includes/class-wp-customize-nav-menus.php`	Performs post queries for available-item searching.
WP_Customize_Nav_Menus::available_item_types()`wp-includes/class-wp-customize-nav-menus.php`	Returns an array of all the available item types.
WP_Customize_Nav_Menus::load_available_items_query()`wp-includes/class-wp-customize-nav-menus.php`	Performs the post_type and taxonomy queries for loading available menu items.
WP_Posts_List_Table::handle_row_actions()`wp-admin/includes/class-wp-posts-list-table.php`	Generates and displays row action links.
WP_Posts_List_Table::column_cb()`wp-admin/includes/class-wp-posts-list-table.php`	Handles the checkbox column output.
WP_Posts_List_Table::column_title()`wp-admin/includes/class-wp-posts-list-table.php`	Handles the title column output.
WP_Posts_List_Table::column_date()`wp-admin/includes/class-wp-posts-list-table.php`	Handles the post date column output.
WP_Posts_List_Table::column_default()`wp-admin/includes/class-wp-posts-list-table.php`	Handles the default column output.
WP_MS_Themes_List_Table::column_name()`wp-admin/includes/class-wp-ms-themes-list-table.php`	Handles the name column output.
WP_MS_Themes_List_Table::column_description()`wp-admin/includes/class-wp-ms-themes-list-table.php`	Handles the description column output.
WP_Site_Icon::insert_attachment()`wp-admin/includes/class-wp-site-icon.php`	Inserts an attachment.
WP_Site_Icon::additional_sizes()`wp-admin/includes/class-wp-site-icon.php`	Adds additional sizes to be made when creating the site icon images.
WP_Site_Icon::intermediate_image_sizes()`wp-admin/includes/class-wp-site-icon.php`	Adds Site Icon sizes to the array of image sizes on demand.
WP_Comments_List_Table::handle_row_actions()`wp-admin/includes/class-wp-comments-list-table.php`	Generates and displays row actions links.
wp_ajax_crop_image()`wp-admin/includes/ajax-actions.php`	Handles cropping an image via AJAX.
WP_List_Table::get_primary_column_name()`wp-admin/includes/class-wp-list-table.php`	Gets the name of the primary column.
WP_MS_Sites_List_Table::handle_row_actions()`wp-admin/includes/class-wp-ms-sites-list-table.php`	Generates and displays row action links.
WP_Terms_List_Table::handle_row_actions()`wp-admin/includes/class-wp-terms-list-table.php`	Generates and displays row action links.
WP_MS_Users_List_Table::handle_row_actions()`wp-admin/includes/class-wp-ms-users-list-table.php`	Generates and displays row action links.
WP_MS_Users_List_Table::column_blogs()`wp-admin/includes/class-wp-ms-users-list-table.php`	Handles the sites column output.
WP_MS_Users_List_Table::column_default()`wp-admin/includes/class-wp-ms-users-list-table.php`	Handles the default column output.
WP_Media_List_Table::column_date()`wp-admin/includes/class-wp-media-list-table.php`	Handles the date column output.
wp_should_upgrade_global_tables()`wp-admin/includes/upgrade.php`	Determine if global tables should be upgraded.
WP_Customize_Manager::add_dynamic_settings()`wp-includes/class-wp-customize-manager.php`	Registers any dynamically-created settings, such as those from $_POST[‘customized’] that have no corresponding setting created.
wpdb::get_table_charset()`wp-includes/class-wpdb.php`	Retrieves the character set for the given table.
wpdb::get_col_charset()`wp-includes/class-wpdb.php`	Retrieves the character set for the given column.
wp_delete_file()`wp-includes/functions.php`	Deletes a file.
wp_staticize_emoji()`wp-includes/formatting.php`	Converts emoji to a static img element.
wp_staticize_emoji_for_email()`wp-includes/formatting.php`	Converts emoji in emails into static images.
get_avatar_data()`wp-includes/link-template.php`	Retrieves default data about the avatar.
the_meta()`wp-includes/post-template.php`	Displays a list of post custom fields.
wp_admin_canonical_url()`wp-admin/includes/misc.php`	Removes single-use URL parameters and create canonical link based on new URL.
wp_edit_attachments_query_vars()`wp-admin/includes/post.php`	Returns the query variables for the current attachments request.
WP_Meta_Query::find_compatible_table_alias()`wp-includes/class-wp-meta-query.php`	Identifies an existing table alias that is compatible with the current query clause.
WP_Customize_Panel::active()`wp-includes/class-wp-customize-panel.php`	Check whether panel is active to current Customizer preview.
get_the_archive_description()`wp-includes/general-template.php`	Retrieves the description for an author, post type, or term archive.
get_the_archive_title()`wp-includes/general-template.php`	Retrieves the archive title based on the queried object.
wp_get_password_hint()`wp-includes/user.php`	Gets the text suggesting how to create strong passwords.
_navigation_markup()`wp-includes/link-template.php`	Wraps passed links in navigational markup.
get_the_posts_pagination()`wp-includes/link-template.php`	Retrieves a paginated navigation to next/previous set of posts, when applicable.
WP_Customize_Section::active()`wp-includes/class-wp-customize-section.php`	Check whether section is active to current Customizer preview.
WP_Session_Tokens::create()`wp-includes/class-wp-session-tokens.php`	Generates a session token and attaches session information to it.
WP_Session_Tokens::destroy_all_for_all_users()`wp-includes/class-wp-session-tokens.php`	Destroys all sessions for all users.
WP_Session_Tokens::get_instance()`wp-includes/class-wp-session-tokens.php`	Retrieves a session manager instance for a user.
WP_Customize_Control::active()`wp-includes/class-wp-customize-control.php`	Check whether control is active to current Customizer preview.
get_editor_stylesheets()`wp-includes/theme.php`	Retrieves any registered editor stylesheet URLs.
get_comments_number_text()`wp-includes/comment-template.php`	Displays the language string for the number of comments the current post has.
attachment_url_to_postid()`wp-includes/media.php`	Tries to convert an attachment URL into a post ID.
wp_embed_handler_youtube()`wp-includes/embed.php`	YouTube iframe embed handler callback.
wp_spaces_regexp()`wp-includes/formatting.php`	Returns the regexp for common whitespace characters.
WP_Media_List_Table::views()`wp-admin/includes/class-wp-media-list-table.php`	Overrides parent views to use the filter bar display.
_wp_handle_upload()`wp-admin/includes/file.php`	Handles PHP uploads in WordPress.
WP_Plugin_Install_List_Table::views()`wp-admin/includes/class-wp-plugin-install-list-table.php`	Overrides parent views so we can use the filter bar display.
translations_api()`wp-admin/includes/translation-install.php`	Retrieve translations from WordPress Translation API.
login_footer()`wp-login.php`	Outputs the footer for the login page.
retrieve_password()`wp-includes/user.php`	Handles sending a password retrieval email to a user.
login_header()`wp-login.php`	Outputs the login page header.
signup_another_blog()`wp-signup.php`	Shows a form for returning users to sign up for another site.
validate_another_blog_signup()`wp-signup.php`	Validates a new site sign-up for an existing user.
signup_user()`wp-signup.php`	Shows a form for a visitor to sign up for a new user account.
validate_user_signup()`wp-signup.php`	Validates the new user sign-up.
signup_blog()`wp-signup.php`	Shows a form for a user or visitor to sign up for a new site.
validate_blog_signup()`wp-signup.php`	Validates new site signup.
allow_subdirectory_install()`wp-admin/includes/network.php`	Allow subdirectory installation.
WP_Automatic_Updater::run()`wp-admin/includes/class-wp-automatic-updater.php`	Kicks off the background update process, looping through all pending updates.
WP_Automatic_Updater::send_email()`wp-admin/includes/class-wp-automatic-updater.php`	Sends an email upon the completion or failure of a background core update.
WP_Automatic_Updater::send_debug_email()`wp-admin/includes/class-wp-automatic-updater.php`	Prepares and sends an email of a full log of background update results, useful for debugging and geekery.
WP_Automatic_Updater::is_disabled()`wp-admin/includes/class-wp-automatic-updater.php`	Determines whether the entire automatic updater is disabled.
WP_Automatic_Updater::is_vcs_checkout()`wp-admin/includes/class-wp-automatic-updater.php`	Checks for version control checkouts.
WP_Automatic_Updater::should_update()`wp-admin/includes/class-wp-automatic-updater.php`	Tests to see if we can and should update a specific item.
WP_Automatic_Updater::send_core_update_notification_email()`wp-admin/includes/class-wp-automatic-updater.php`	Notifies an administrator of a core update.
Core_Upgrader::upgrade()`wp-admin/includes/class-core-upgrader.php`	Upgrades WordPress core.
Core_Upgrader::should_update_to_version()`wp-admin/includes/class-core-upgrader.php`	Determines if this WordPress Core version should update to an offered version or not.
Language_Pack_Upgrader::async_upgrade()`wp-admin/includes/class-language-pack-upgrader.php`	Asynchronously upgrades language packs after other upgrades have been made.
WP_Upgrader::download_package()`wp-admin/includes/class-wp-upgrader.php`	Downloads a package.
WP_Upgrader::install_package()`wp-admin/includes/class-wp-upgrader.php`	Install a package.
WP_Upgrader::run()`wp-admin/includes/class-wp-upgrader.php`	Runs an upgrade/installation.
WP_MS_Users_List_Table::prepare_items()`wp-admin/includes/class-wp-ms-users-list-table.php`
WP_MS_Users_List_Table::get_columns()`wp-admin/includes/class-wp-ms-users-list-table.php`
wp_prepare_themes_for_js()`wp-admin/includes/theme.php`	Prepares themes for JavaScript.
WP_Screen::show_screen_options()`wp-admin/includes/class-wp-screen.php`
WP_Screen::render_screen_options()`wp-admin/includes/class-wp-screen.php`	Renders the screen options tab.
WP_Screen::render_per_page_options()`wp-admin/includes/class-wp-screen.php`	Renders the items per page option.
themes_api()`wp-admin/includes/theme.php`	Retrieves theme installer pages from the WordPress.org Themes API.
WP_Screen::render_screen_meta()`wp-admin/includes/class-wp-screen.php`	Renders the screen’s help section.
WP_Screen::get()`wp-admin/includes/class-wp-screen.php`	Fetches a screen object.
WP_Plugins_List_Table::single_row()`wp-admin/includes/class-wp-plugins-list-table.php`
get_column_headers()`wp-admin/includes/screen.php`	Get the column headers for a screen
get_hidden_columns()`wp-admin/includes/screen.php`	Get a list of hidden columns.
get_hidden_meta_boxes()`wp-admin/includes/screen.php`	Gets an array of IDs of hidden meta boxes.
WP_Plugins_List_Table::prepare_items()`wp-admin/includes/class-wp-plugins-list-table.php`
export_wp()`wp-admin/includes/export.php`	Generates the WXR export file for download.
wp_create_thumbnail()`wp-admin/includes/deprecated.php`	This was once used to create a thumbnail from an Image given a maximum side size.
get_editable_authors()`wp-admin/includes/deprecated.php`	Gets author users who can edit posts.
get_others_unpublished_posts()`wp-admin/includes/deprecated.php`	Retrieves editable posts from other users.
Language_Pack_Upgrader_Skin::bulk_footer()`wp-admin/includes/class-language-pack-upgrader-skin.php`
Theme_Upgrader_Skin::after()`wp-admin/includes/class-theme-upgrader-skin.php`	Performs an action following a single theme update.
Plugin_Installer_Skin::after()`wp-admin/includes/class-plugin-installer-skin.php`	Performs an action following a plugin install.
Theme_Installer_Skin::after()`wp-admin/includes/class-theme-installer-skin.php`	Performs an action following a single theme install.
Bulk_Theme_Upgrader_Skin::bulk_footer()`wp-admin/includes/class-bulk-theme-upgrader-skin.php`
Bulk_Plugin_Upgrader_Skin::bulk_footer()`wp-admin/includes/class-bulk-plugin-upgrader-skin.php`
Plugin_Upgrader_Skin::after()`wp-admin/includes/class-plugin-upgrader-skin.php`	Performs an action following a single plugin update.
WP_List_Table::get_items_per_page()`wp-admin/includes/class-wp-list-table.php`	Gets the number of items to display on a single page.
WP_List_Table::get_column_info()`wp-admin/includes/class-wp-list-table.php`	Gets a list of all, hidden, and sortable columns, with filter applied.
WP_List_Table::views()`wp-admin/includes/class-wp-list-table.php`	Displays the list of views available on this table.
WP_List_Table::bulk_actions()`wp-admin/includes/class-wp-list-table.php`	Displays the bulk actions dropdown.
WP_List_Table::months_dropdown()`wp-admin/includes/class-wp-list-table.php`	Displays a dropdown for filtering items in the list table by month.
mu_dropdown_languages()`wp-admin/includes/ms.php`	Generates and displays a drop-down of available languages.
can_edit_network()`wp-admin/includes/ms.php`	Determines whether or not this network from this page can be edited.
format_code_lang()`wp-admin/includes/ms.php`	Returns the language for a language code.
update_option_new_admin_email()`wp-admin/includes/misc.php`	Sends a confirmation request email when a change of site admin email address is attempted.
send_confirmation_on_profile_email()`wp-includes/user.php`	Sends a confirmation request email when a change of user email address is attempted.
wp_save_image_file()`wp-admin/includes/image-edit.php`	Saves image to file.
image_edit_apply_changes()`wp-admin/includes/image-edit.php`	Performs group of changes on Editor specified.
wp_save_image()`wp-admin/includes/image-edit.php`	Saves image to post, along with enqueued changes in `$_REQUEST['history']`.
wp_image_editor()`wp-admin/includes/image-edit.php`	Loads the WP image-editing interface.
wp_stream_image()`wp-admin/includes/image-edit.php`	Streams image in WP_Image_Editor to browser.
WP_MS_Themes_List_Table::prepare_items()`wp-admin/includes/class-wp-ms-themes-list-table.php`
insert_with_markers()`wp-admin/includes/misc.php`	Inserts an array of strings into a file (.htaccess), placing it between BEGIN and END markers.
wp_doc_link_parse()`wp-admin/includes/misc.php`
set_screen_options()`wp-admin/includes/misc.php`	Saves option for number of rows when listing posts, pages, comments, etc.
got_mod_rewrite()`wp-admin/includes/misc.php`	Returns whether the server is running Apache with the mod_rewrite module loaded.
got_url_rewrite()`wp-admin/includes/misc.php`	Returns whether the server supports URL rewriting.
get_terms_to_edit()`wp-admin/includes/taxonomy.php`	Gets comma-separated list of terms available to edit for the given post ID.
WP_Theme_Install_List_Table::prepare_items()`wp-admin/includes/class-wp-theme-install-list-table.php`
WP_Theme_Install_List_Table::single_row()`wp-admin/includes/class-wp-theme-install-list-table.php`	Prints a theme from the WordPress.org API.
update_right_now_message()`wp-admin/includes/update.php`	Displays WordPress version and active theme in the ‘At a Glance’ dashboard widget.
wp_generate_attachment_metadata()`wp-admin/includes/image.php`	Generates attachment meta data and create image sub-sizes for images.
wp_read_image_metadata()`wp-admin/includes/image.php`	Gets extended image metadata, exif or iptc as available.
file_is_displayable_image()`wp-admin/includes/image.php`	Validates that file is suitable for displaying within a web page.
load_image_to_edit()`wp-admin/includes/image.php`	Loads an image resource for editing.
_load_image_to_edit_path()`wp-admin/includes/image.php`	Retrieves the path or URL of an attachment’s attached file.
plugins_api()`wp-admin/includes/plugin-install.php`	Retrieves plugin installer pages from the WordPress.org Plugins API.
wp_dashboard_recent_posts()`wp-admin/includes/dashboard.php`	Generates Publishing Soon and Recently Published sections.
wp_dashboard_primary()`wp-admin/includes/dashboard.php`	‘WordPress Events and News’ dashboard widget.
wp_dashboard_browser_nag()`wp-admin/includes/dashboard.php`	Displays the browser update nag.
wp_dashboard_right_now()`wp-admin/includes/dashboard.php`	Dashboard widget that displays some basic stats about the site.
wp_dashboard_quick_press()`wp-admin/includes/dashboard.php`	Displays the Quick Draft widget.
wp_dashboard_recent_drafts()`wp-admin/includes/dashboard.php`	Show recent drafts of the user on the dashboard.
_wp_dashboard_recent_comments_row()`wp-admin/includes/dashboard.php`	Outputs a row for the Recent Comments widget.
wp_dashboard_setup()`wp-admin/includes/dashboard.php`	Registers dashboard widgets.
dbDelta()`wp-admin/includes/upgrade.php`	Modifies the database based on specified SQL statements.
wp_new_blog_notification()`wp-admin/includes/upgrade.php`	Notifies the site admin that the installation of WordPress is complete.
register_setting()`wp-includes/option.php`	Registers a setting and its data.
_get_list_table()`wp-admin/includes/list-table.php`	Fetches an instance of a WP_List_Table class.
get_plugin_files()`wp-admin/includes/plugin.php`	Gets a list of a plugin’s files.
WP_Plugin_Install_List_Table::display_rows()`wp-admin/includes/class-wp-plugin-install-list-table.php`
edit_user()`wp-admin/includes/user.php`	Edit user settings based on contents of $_POST
get_editable_roles()`wp-admin/includes/user.php`	Fetch a filtered list of user roles that the current user is allowed to edit.
get_users_drafts()`wp-admin/includes/user.php`	Retrieve the user’s drafts.
wp_delete_user()`wp-admin/includes/user.php`	Delete user and optionally reassign posts and links to another user.
WP_Plugin_Install_List_Table::prepare_items()`wp-admin/includes/class-wp-plugin-install-list-table.php`
Walker_Category_Checklist::start_el()`wp-admin/includes/class-walker-category-checklist.php`	Start the element output.
iframe_header()`wp-admin/includes/template.php`	Generic Iframe header for use with Thickbox.
get_inline_data()`wp-admin/includes/template.php`	Adds hidden fields with the data for use in the inline editor for posts and pages.
wp_comment_reply()`wp-admin/includes/template.php`	Outputs the in-line comment reply-to form in the Comments list table.
meta_form()`wp-admin/includes/template.php`	Prints the form in the Custom Fields meta box.
wp_import_upload_form()`wp-admin/includes/template.php`	Outputs the form used by the importers to accept the data to be imported.
WP_Themes_List_Table::display_rows()`wp-admin/includes/class-wp-themes-list-table.php`
wp_terms_checklist()`wp-admin/includes/template.php`	Outputs an unordered list of checkbox input elements labelled with term names.
wp_popular_terms_checklist()`wp-admin/includes/template.php`	Retrieves a list of the most popular terms from the specified taxonomy.
wp_link_category_checklist()`wp-admin/includes/template.php`	Outputs a link category checklist element.
WP_MS_Sites_List_Table::prepare_items()`wp-admin/includes/class-wp-ms-sites-list-table.php`	Prepares the list of sites for display.
WP_MS_Sites_List_Table::get_columns()`wp-admin/includes/class-wp-ms-sites-list-table.php`
WP_Users_List_Table::single_row()`wp-admin/includes/class-wp-users-list-table.php`	Generates HTML for a single row on the users.php admin panel.
WP_Users_List_Table::prepare_items()`wp-admin/includes/class-wp-users-list-table.php`	Prepares the users list for display.
wp_read_video_metadata()`wp-admin/includes/media.php`	Retrieves metadata from a video file’s ID3 tags.
wp_read_audio_metadata()`wp-admin/includes/media.php`	Retrieves metadata from an audio file’s ID3 tags.
media_upload_type_form()`wp-admin/includes/media.php`	Outputs the legacy media upload form for a given media type.
media_upload_type_url_form()`wp-admin/includes/media.php`	Outputs the legacy media upload form for external media.
media_upload_gallery_form()`wp-admin/includes/media.php`	Adds gallery form to upload iframe.
media_upload_library_form()`wp-admin/includes/media.php`	Outputs the legacy media upload form for the media library.
wp_media_insert_url_form()`wp-admin/includes/media.php`	Creates the form for external url.
attachment_submitbox_metadata()`wp-admin/includes/media.php`	Displays non-editable attachment metadata in the publish meta box.
get_attachment_fields_to_edit()`wp-admin/includes/media.php`	Retrieves the attachment fields to edit form fields.
get_media_item()`wp-admin/includes/media.php`	Retrieves HTML form for modifying the image attachment.
get_compat_media_markup()`wp-admin/includes/media.php`
media_upload_form()`wp-admin/includes/media.php`	Outputs the legacy media upload form.
media_upload_form_handler()`wp-admin/includes/media.php`	Handles form submissions for the legacy media uploader.
wp_media_upload_handler()`wp-admin/includes/media.php`	Handles the process of uploading media.
media_sideload_image()`wp-admin/includes/media.php`	Downloads an image from the specified URL, saves it as an attachment, and optionally attaches it to a post.
image_size_input_fields()`wp-admin/includes/media.php`	Retrieves HTML for the size radio buttons with the specified one checked.
the_media_upload_tabs()`wp-admin/includes/media.php`	Outputs the legacy media upload tabs UI.
get_image_send_to_editor()`wp-admin/includes/media.php`	Retrieves the image HTML to send to the editor.
image_add_caption()`wp-admin/includes/media.php`	Adds image shortcode with caption to editor.
get_upload_iframe_src()`wp-admin/includes/media.php`	Retrieves the upload iframe source URL.
get_sample_permalink_html()`wp-admin/includes/post.php`	Returns the HTML of the sample permalink slug editor.
_wp_post_thumbnail_html()`wp-admin/includes/post.php`	Returns HTML for the post thumbnail meta box.
wp_check_post_lock()`wp-admin/includes/post.php`	Determines whether the post is currently being edited by another user.
_admin_notice_post_locked()`wp-admin/includes/post.php`	Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
media_upload_tabs()`wp-admin/includes/media.php`	Defines the default media upload tabs.
wp_edit_posts_query()`wp-admin/includes/post.php`	Runs the query to fetch the posts for listing on the edit posts page.
postbox_classes()`wp-admin/includes/post.php`	Returns the list of classes to be used by a meta box.
get_sample_permalink()`wp-admin/includes/post.php`	Returns a sample permalink based on the post name.
get_available_post_mime_types()`wp-includes/post.php`	Gets all available post MIME types for a given post type.
edit_post()`wp-admin/includes/post.php`	Updates an existing post with values provided in `$_POST`.
get_default_post_to_edit()`wp-admin/includes/post.php`	Returns default post information to use when populating the “Write Post” form.
wp_ajax_send_attachment_to_editor()`wp-admin/includes/ajax-actions.php`	Handles sending an attachment to the editor via AJAX.
wp_ajax_send_link_to_editor()`wp-admin/includes/ajax-actions.php`	Handles sending a link to the editor via AJAX.
wp_ajax_heartbeat()`wp-admin/includes/ajax-actions.php`	Handles the Heartbeat API via AJAX.
wp_ajax_query_themes()`wp-admin/includes/ajax-actions.php`	Handles getting themes from themes_api() via AJAX.
wp_ajax_wp_remove_post_lock()`wp-admin/includes/ajax-actions.php`	Handles removing a post lock via AJAX.
wp_ajax_query_attachments()`wp-admin/includes/ajax-actions.php`	Handles querying attachments via AJAX.
wp_ajax_save_attachment_compat()`wp-admin/includes/ajax-actions.php`	Handles saving backward compatible attachment attributes via AJAX.
wp_ajax_add_menu_item()`wp-admin/includes/ajax-actions.php`	Handles adding a menu item via AJAX.
wp_ajax_menu_get_metabox()`wp-admin/includes/ajax-actions.php`	Handles for retrieving menu meta boxes via AJAX.
wp_ajax_inline_save()`wp-admin/includes/ajax-actions.php`	Handles Quick Edit saving a post from a list table via AJAX.
wp_get_revision_ui_diff()`wp-admin/includes/revision.php`	Get the revision UI diff.
wp_prepare_revisions_for_js()`wp-admin/includes/revision.php`	Prepare revisions for JavaScript.
wp_ajax_nopriv_heartbeat()`wp-admin/includes/ajax-actions.php`	Handles the Heartbeat API in the no-privilege context via AJAX .
wp_ajax_ajax_tag_search()`wp-admin/includes/ajax-actions.php`	Handles tag search via AJAX.
wp_ajax_autocomplete_user()`wp-admin/includes/ajax-actions.php`	Handles user autocomplete via AJAX.
update_core()`wp-admin/includes/update-core.php`	Upgrades the core of WordPress.
post_slug_meta_box()`wp-admin/includes/meta-boxes.php`	Displays slug form fields.
page_attributes_meta_box()`wp-admin/includes/meta-boxes.php`	Displays page attributes form fields.
post_categories_meta_box()`wp-admin/includes/meta-boxes.php`	Displays post categories form fields.
add_menu_classes()`wp-admin/includes/menu.php`	Adds CSS classes for top-level administration menu items.
WP_Media_List_Table::get_columns()`wp-admin/includes/class-wp-media-list-table.php`
WP_Media_List_Table::_get_row_actions()`wp-admin/includes/class-wp-media-list-table.php`
WP_Comments_List_Table::column_author()`wp-admin/includes/class-wp-comments-list-table.php`
WP_Comments_List_Table::get_views()`wp-admin/includes/class-wp-comments-list-table.php`
WP_Comments_List_Table::column_comment()`wp-admin/includes/class-wp-comments-list-table.php`
WP_Comments_List_Table::prepare_items()`wp-admin/includes/class-wp-comments-list-table.php`
WP_Comments_List_Table::get_per_page()`wp-admin/includes/class-wp-comments-list-table.php`
WP_Terms_List_Table::column_name()`wp-admin/includes/class-wp-terms-list-table.php`
WP_Terms_List_Table::column_slug()`wp-admin/includes/class-wp-terms-list-table.php`
WP_Terms_List_Table::column_default()`wp-admin/includes/class-wp-terms-list-table.php`
WP_Terms_List_Table::prepare_items()`wp-admin/includes/class-wp-terms-list-table.php`
Walker_Nav_Menu_Checklist::start_el()`wp-admin/includes/class-walker-nav-menu-checklist.php`	Start the element output.
wp_nav_menu_post_type_meta_boxes()`wp-admin/includes/nav-menu.php`	Creates meta boxes for any post type menu item.
wp_nav_menu_taxonomy_meta_boxes()`wp-admin/includes/nav-menu.php`	Creates meta boxes for any taxonomy menu item.
wp_nav_menu_item_post_type_meta_box()`wp-admin/includes/nav-menu.php`	Displays a meta box for a post type menu item.
wp_get_nav_menu_to_edit()`wp-admin/includes/nav-menu.php`	Returns the menu formatted to edit.
get_filesystem_method()`wp-admin/includes/file.php`	Determines which method to use for reading, writing, modifying, or deleting files on the filesystem.
request_filesystem_credentials()`wp-admin/includes/file.php`	Displays a form to the user to request for their FTP/SSH details in order to connect to the filesystem.
download_url()`wp-admin/includes/file.php`	Downloads a URL to a local temporary file using the WordPress HTTP API.
unzip_file()`wp-admin/includes/file.php`	Unzips a specified ZIP file to a location on the filesystem via the WordPress Filesystem Abstraction.
_unzip_file_ziparchive()`wp-admin/includes/file.php`	Attempts to unzip an archive using the ZipArchive class.
_unzip_file_pclzip()`wp-admin/includes/file.php`	Attempts to unzip an archive using the PclZip library.
WP_Filesystem()`wp-admin/includes/file.php`	Initializes and connects the WordPress Filesystem Abstraction classes.
WP_Posts_List_Table::inline_edit()`wp-admin/includes/class-wp-posts-list-table.php`	Outputs the hidden row displayed when inline editing
WP_Posts_List_Table::get_columns()`wp-admin/includes/class-wp-posts-list-table.php`
WP_Posts_List_Table::prepare_items()`wp-admin/includes/class-wp-posts-list-table.php`
get_comment_to_edit()`wp-admin/includes/comment.php`	Returns a WP_Comment object based on comment ID.
Custom_Image_Header::insert_attachment()`wp-admin/includes/class-custom-image-header.php`	Inserts an attachment and its metadata.
Custom_Image_Header::ajax_header_crop()`wp-admin/includes/class-custom-image-header.php`	Gets attachment uploaded by Media Manager, crops it, then saves it as a new object. Returns JSON-encoded object details.
Custom_Image_Header::step_2()`wp-admin/includes/class-custom-image-header.php`	Displays second step of custom header image page.
Custom_Image_Header::step_3()`wp-admin/includes/class-custom-image-header.php`	Displays third step of custom header image page.
redirect_post()`wp-admin/includes/post.php`	Redirects to previous page.
Custom_Background::wp_set_background_image()`wp-admin/includes/class-custom-background.php`
Custom_Background::handle_upload()`wp-admin/includes/class-custom-background.php`	Handles an Image upload for the background image.
WP_User::has_cap()`wp-includes/class-wp-user.php`	Returns whether the user has the specified capability.
WP_Role::has_cap()`wp-includes/class-wp-role.php`	Determines whether the role has the given capability.
WP_Customize_Manager::add_setting()`wp-includes/class-wp-customize-manager.php`	Adds a customize setting.
map_meta_cap()`wp-includes/capabilities.php`	Maps a capability to the primitive capabilities required of the given user to satisfy the capability being checked.
WP_Customize_Manager::save()`wp-includes/class-wp-customize-manager.php`	Handles customize_save WP Ajax request to save/update a changeset.
WP_Customize_Manager::__construct()`wp-includes/class-wp-customize-manager.php`	Constructor.
WP_Styles::all_deps()`wp-includes/class-wp-styles.php`	Determines style dependencies.
WP_Styles::_css_href()`wp-includes/class-wp-styles.php`	Generates an enqueued style’s fully-qualified URL.
WP_Styles::do_item()`wp-includes/class-wp-styles.php`	Processes a style dependency.
wp_schedule_event()`wp-includes/cron.php`	Schedules a recurring event.
wp_reschedule_event()`wp-includes/cron.php`	Reschedules a recurring event.
wp_unschedule_event()`wp-includes/cron.php`	Unschedules a previously scheduled event.
wp_clear_scheduled_hook()`wp-includes/cron.php`	Unschedules all events attached to the hook with the specified arguments.
spawn_cron()`wp-includes/cron.php`	Sends a request to run cron through HTTP request that doesn’t halt page loading.
wp_get_schedule()`wp-includes/cron.php`	Retrieves the name of the recurrence schedule for an event.
wp_get_schedules()`wp-includes/cron.php`	Retrieves supported event recurrence schedules.
wp_schedule_single_event()`wp-includes/cron.php`	Schedules an event to run only once.
Walker_CategoryDropdown::start_el()`wp-includes/class-walker-category-dropdown.php`	Starts the element output.
Walker_Category::start_el()`wp-includes/class-walker-category.php`	Starts the element output.
get_the_term_list()`wp-includes/category-template.php`	Retrieves a post’s terms as a list with specified format.
the_terms()`wp-includes/category-template.php`	Displays the terms for a post in a list.
wp_tag_cloud()`wp-includes/category-template.php`	Displays a tag cloud.
wp_generate_tag_cloud()`wp-includes/category-template.php`	Generates a tag cloud (heatmap) from provided data.
get_the_tags()`wp-includes/category-template.php`	Retrieves the tags for a post.
get_the_tag_list()`wp-includes/category-template.php`	Retrieves the tags for a post formatted as a string.
get_the_terms()`wp-includes/category-template.php`	Retrieves the terms of the taxonomy that are attached to the post.
get_the_category()`wp-includes/category-template.php`	Retrieves post categories.
get_the_category_list()`wp-includes/category-template.php`	Retrieves category list for a post in either HTML list or custom format.
wp_dropdown_categories()`wp-includes/category-template.php`	Displays or retrieves the HTML dropdown list of categories.
wp_list_categories()`wp-includes/category-template.php`	Displays or retrieves the HTML list of categories.
current_theme_supports()`wp-includes/theme.php`	Checks a theme’s support for a given feature.
set_theme_mod()`wp-includes/theme.php`	Updates theme modification value for the active theme.
get_header_image()`wp-includes/theme.php`	Retrieves header image for custom header.
get_theme_root()`wp-includes/theme.php`	Retrieves path to themes directory.
get_theme_root_uri()`wp-includes/theme.php`	Retrieves URI for themes directory.
validate_current_theme()`wp-includes/theme.php`	Checks that the active theme has the required files.
get_theme_mod()`wp-includes/theme.php`	Retrieves theme modification value for the active theme.
get_stylesheet_directory()`wp-includes/theme.php`	Retrieves stylesheet directory path for the active theme.
get_stylesheet_directory_uri()`wp-includes/theme.php`	Retrieves stylesheet directory URI for the active theme.
get_stylesheet_uri()`wp-includes/theme.php`	Retrieves stylesheet URI for the active theme.
get_template()`wp-includes/theme.php`	Retrieves name of the active theme.
get_template_directory()`wp-includes/theme.php`	Retrieves template directory path for the active theme.
get_locale_stylesheet_uri()`wp-includes/theme.php`	Retrieves the localized stylesheet URI.
get_template_directory_uri()`wp-includes/theme.php`	Retrieves template directory URI for the active theme.
search_theme_directories()`wp-includes/theme.php`	Searches all registered theme directories for complete and valid themes.
get_stylesheet()`wp-includes/theme.php`	Retrieves name of the current stylesheet.
get_available_languages()`wp-includes/l10n.php`	Gets all available languages based on the presence of .mo and .l10n.php files in a given directory.
load_textdomain()`wp-includes/l10n.php`	Loads a .mo file into the text domain $domain.
unload_textdomain()`wp-includes/l10n.php`	Unloads translations for a text domain.
load_plugin_textdomain()`wp-includes/l10n.php`	Loads a plugin’s translated strings.
load_muplugin_textdomain()`wp-includes/l10n.php`	Loads the translated strings for a plugin residing in the mu-plugins directory.
load_theme_textdomain()`wp-includes/l10n.php`	Loads the theme’s translated strings.
translate()`wp-includes/l10n.php`	Retrieves the translation of $text.
translate_with_gettext_context()`wp-includes/l10n.php`	Retrieves the translation of $text in the context defined in $context.
_n()`wp-includes/l10n.php`	Translates and retrieves the singular or plural form based on the supplied number.
_nx()`wp-includes/l10n.php`	Translates and retrieves the singular or plural form based on the supplied number, with gettext context.
get_locale()`wp-includes/l10n.php`	Retrieves the current locale.
sanitize_text_field()`wp-includes/formatting.php`	Sanitizes a string from user input or from the database.
sanitize_mime_type()`wp-includes/formatting.php`	Sanitizes a mime type
sanitize_trackback_urls()`wp-includes/formatting.php`	Sanitizes space or carriage return separated URLs that are used to send trackbacks.
esc_textarea()`wp-includes/formatting.php`	Escaping for textarea values.
tag_escape()`wp-includes/formatting.php`	Escapes an HTML tag name.
sanitize_option()`wp-includes/formatting.php`	Sanitizes various option values based on the nature of the option.
wp_parse_str()`wp-includes/formatting.php`	Parses a string into variables to be stored in an array.
wp_sprintf()`wp-includes/formatting.php`	WordPress’ implementation of PHP sprintf() with filters.
wp_sprintf_l()`wp-includes/formatting.php`	Localizes list items before the rest of the content.
wp_htmledit_pre()`wp-includes/deprecated.php`	Formats text for the HTML editor.
esc_url()`wp-includes/formatting.php`	Checks and cleans a URL.
esc_js()`wp-includes/formatting.php`	Escapes single quotes, `"`, , `&`, and fixes line endings.
esc_html()`wp-includes/formatting.php`	Escaping for HTML blocks.
esc_attr()`wp-includes/formatting.php`	Escaping for HTML attributes.
wp_richedit_pre()`wp-includes/deprecated.php`	Formats text for the rich text editor.
sanitize_email()`wp-includes/formatting.php`	Strips out all characters that are not allowable in an email.
human_time_diff()`wp-includes/formatting.php`	Determines the difference between two timestamps.
wp_trim_excerpt()`wp-includes/formatting.php`	Generates an excerpt from the content, if needed.
wp_trim_words()`wp-includes/formatting.php`	Trims text to a certain number of words.
ent2ncr()`wp-includes/formatting.php`	Converts named entities into numbered entities.
translate_smiley()`wp-includes/formatting.php`	Converts one smiley code to the icon graphic file equivalent.
is_email()`wp-includes/formatting.php`	Verifies that an email is valid.
sanitize_file_name()`wp-includes/formatting.php`	Sanitizes a filename, replacing whitespace with dashes.
sanitize_user()`wp-includes/formatting.php`	Sanitizes a username, stripping out unsafe characters.
sanitize_key()`wp-includes/formatting.php`	Sanitizes a string key.
sanitize_title()`wp-includes/formatting.php`	Sanitizes a string into a slug, which can be used in URLs or HTML attributes.
sanitize_html_class()`wp-includes/formatting.php`	Sanitizes an HTML classname to ensure it only contains valid characters.
format_to_edit()`wp-includes/formatting.php`	Acts on text which is about to be edited.
get_avatar()`wp-includes/pluggable.php`	Retrieves the avatar `<img>` tag for a user, email address, MD5 hash, comment, or post.
wptexturize()`wp-includes/formatting.php`	Replaces common plain text characters with formatted entities.
wp_password_change_notification()`wp-includes/pluggable.php`	Notifies the blog admin of a user changing password, normally via email.
wp_new_user_notification()`wp-includes/pluggable.php`	Emails login credentials to a newly-registered user.
wp_nonce_tick()`wp-includes/pluggable.php`	Returns the time-dependent variable for nonce creation.
wp_verify_nonce()`wp-includes/pluggable.php`	Verifies that a correct security nonce was used with time limit.
wp_create_nonce()`wp-includes/pluggable.php`	Creates a cryptographic token tied to a specific action, user, user session, and window of time.
wp_check_password()`wp-includes/pluggable.php`	Checks the plaintext password against the encrypted Password.
wp_salt()`wp-includes/pluggable.php`	Returns a salt to add to hashes.
wp_generate_password()`wp-includes/pluggable.php`	Generates a random password drawn from the defined set of characters.
wp_redirect()`wp-includes/pluggable.php`	Redirects to another page.
wp_safe_redirect()`wp-includes/pluggable.php`	Performs a safe (local) redirect, using wp_redirect() .
wp_validate_redirect()`wp-includes/pluggable.php`	Validates a URL for use in a redirect.
wp_notify_postauthor()`wp-includes/pluggable.php`	Notifies an author (and/or others) of a comment/trackback/pingback on a post.
wp_notify_moderator()`wp-includes/pluggable.php`	Notifies the moderator of the site about a new comment that is awaiting approval.
wp_set_auth_cookie()`wp-includes/pluggable.php`	Sets the authentication cookies based on user ID.
wp_clear_auth_cookie()`wp-includes/pluggable.php`	Removes all of the cookies associated with authentication.
auth_redirect()`wp-includes/pluggable.php`	Checks if a user is logged in, if not it redirects them to the login page.
wp_authenticate()`wp-includes/pluggable.php`	Authenticates a user, confirming the login credentials are valid.
wp_generate_auth_cookie()`wp-includes/pluggable.php`	Generates authentication cookie contents.
wp_mail()`wp-includes/pluggable.php`	Sends an email, similar to PHP’s mail function.
the_search_query()`wp-includes/general-template.php`	Displays the contents of the search query variable.
paginate_links()`wp-includes/general-template.php`	Retrieves paginated links for archive post pages.
wp_admin_css_uri()`wp-includes/general-template.php`	Displays the URL of a WordPress admin CSS file.
wp_generator()`wp-includes/general-template.php`	Displays the XHTML generator that is generated on the wp_head hook.
the_generator()`wp-includes/general-template.php`	Displays the generator XML or Comment for RSS, ATOM, etc.
get_the_generator()`wp-includes/general-template.php`	Creates the generator XML or Comment for RSS, ATOM, etc.
wp_admin_css()`wp-includes/general-template.php`	Enqueues or directly prints a stylesheet link to the specified CSS file.
feed_links()`wp-includes/general-template.php`	Displays the links to the general feeds.
feed_links_extra()`wp-includes/general-template.php`	Displays the links to the extra feeds such as category feeds.
user_can_richedit()`wp-includes/general-template.php`	Determines whether the user can access the visual editor.
wp_default_editor()`wp-includes/general-template.php`	Finds out which editor should be displayed by default.
get_search_query()`wp-includes/general-template.php`	Retrieves the contents of the search WordPress query variable.
get_the_modified_date()`wp-includes/general-template.php`	Retrieves the date on which the post was last modified.
the_time()`wp-includes/general-template.php`	Displays the time at which the post was written.
get_the_time()`wp-includes/general-template.php`	Retrieves the time at which the post was written.
get_post_time()`wp-includes/general-template.php`	Retrieves the time at which the post was written.
the_modified_time()`wp-includes/general-template.php`	Displays the time at which the post was last modified.
get_the_modified_time()`wp-includes/general-template.php`	Retrieves the time at which the post was last modified.
get_post_modified_time()`wp-includes/general-template.php`	Retrieves the time at which the post was last modified.
the_weekday()`wp-includes/general-template.php`	Displays the weekday on which the post was written.
the_weekday_date()`wp-includes/general-template.php`	Displays the weekday on which the post was written.
wp_get_archives()`wp-includes/general-template.php`	Displays archive links based on type and format.
get_calendar()`wp-includes/general-template.php`	Displays calendar with days that have posts as links.
get_archives_link()`wp-includes/general-template.php`	Retrieves archive link content based on predefined or custom code.
the_date()`wp-includes/general-template.php`	Displays or retrieves the date the current post was written (once per date)
get_the_date()`wp-includes/general-template.php`	Retrieves the date on which the post was written.
the_modified_date()`wp-includes/general-template.php`	Displays the date on which the post was last modified.
get_bloginfo()`wp-includes/general-template.php`	Retrieves information about the current site.
wp_title()`wp-includes/general-template.php`	Displays or retrieves page title for all areas of blog.
single_post_title()`wp-includes/general-template.php`	Displays or retrieves page title for post.
post_type_archive_title()`wp-includes/general-template.php`	Displays or retrieves title for a post type archive.
single_term_title()`wp-includes/general-template.php`	Displays or retrieves page title for taxonomy term archive.
wp_loginout()`wp-includes/general-template.php`	Displays the Log In/Out link.
wp_logout_url()`wp-includes/general-template.php`	Retrieves the logout URL.
wp_login_url()`wp-includes/general-template.php`	Retrieves the login URL.
wp_registration_url()`wp-includes/general-template.php`	Returns the URL that allows the user to register on the site.
wp_login_form()`wp-includes/general-template.php`	Provides a simple login form for use anywhere within WordPress.
wp_lostpassword_url()`wp-includes/general-template.php`	Returns the URL that allows the user to reset the lost password.
wp_register()`wp-includes/general-template.php`	Displays the Registration or Admin link.
get_search_form()`wp-includes/general-template.php`	Displays search form.
get_theme_data()`wp-includes/deprecated.php`	Retrieve theme data from parsed theme file.
get_boundary_post_rel_link()`wp-includes/deprecated.php`	Get boundary post relational link.
get_index_rel_link()`wp-includes/deprecated.php`	Get site index relational link.
get_parent_post_rel_link()`wp-includes/deprecated.php`	Get parent post relational link.
get_attachment_icon_src()`wp-includes/deprecated.php`	Retrieve icon URL and Path.
get_attachment_icon()`wp-includes/deprecated.php`	Retrieve HTML content of icon attachment image element.
get_attachment_innerHTML()`wp-includes/deprecated.php`	Retrieve HTML content of image element.
the_content_rss()`wp-includes/deprecated.php`	Display the post content for the feed.
get_links_list()`wp-includes/deprecated.php`	Output entire list of links by category.
safecss_filter_attr()`wp-includes/kses.php`	Filters an inline style attribute and removes disallowed rules.
previous_post()`wp-includes/deprecated.php`	Prints a link to the previous post.
next_post()`wp-includes/deprecated.php`	Prints link to the next post.
WP_Theme::get_allowed()`wp-includes/class-wp-theme.php`	Returns array of stylesheet names of themes allowed on the site or network.
WP_Theme::get_allowed_on_network()`wp-includes/class-wp-theme.php`	Returns array of stylesheet names of themes allowed on the network.
WP_Theme::get_allowed_on_site()`wp-includes/class-wp-theme.php`	Returns array of stylesheet names of themes allowed on the site.
wp_kses_allowed_html()`wp-includes/kses.php`	Returns an array of allowed HTML tags and attributes for a given context.
wp_kses_hook()`wp-includes/kses.php`	You add any KSES hooks here.
WP_Theme::get_page_templates()`wp-includes/class-wp-theme.php`	Returns the theme’s post templates for a given post type.
WP_Theme::scandir()`wp-includes/class-wp-theme.php`	Scans a directory for files of a certain extension.
WP_Theme::__construct()`wp-includes/class-wp-theme.php`	Constructor for WP_Theme.
WP::handle_404()`wp-includes/class-wp.php`	Set the Headers for 404, if nothing is found for requested URL.
wp_is_mobile()`wp-includes/vars.php`	Test if the current browser runs on a mobile device (smart phone, tablet, etc.).
WP::parse_request()`wp-includes/class-wp.php`	Parses the request to find the correct WordPress query.
WP::send_headers()`wp-includes/class-wp.php`	Sends additional HTTP headers for caching, content type, etc.
WP_Query::get_posts()`wp-includes/class-wp-query.php`	Retrieves an array of posts based on query variables.
WP_Query::parse_search()`wp-includes/class-wp-query.php`	Generates SQL for the WHERE clause based on passed search terms.
WP_Query::get_search_stopwords()`wp-includes/class-wp-query.php`	Retrieves stopwords used when parsing search terms.
wp_old_slug_redirect()`wp-includes/query.php`	Redirect old slugs to the correct permalink.
get_tags()`wp-includes/category.php`	Retrieves all post tags.
WP_Image_Editor_Imagick::_save()`wp-includes/class-wp-image-editor-imagick.php`
get_categories()`wp-includes/category.php`	Retrieves a list of category objects.
wp_start_object_cache()`wp-includes/load.php`	Starts the WordPress object cache.
wp_debug_mode()`wp-includes/load.php`	Sets PHP error reporting based on WordPress debug settings.
WP_Http_Cookie::getHeaderValue()`wp-includes/class-wp-http-cookie.php`	Convert cookie name and value back to header string.
WP_Http_Encoding::accept_encoding()`wp-includes/class-wp-http-encoding.php`	What encoding types to accept and their priority values.
WP_HTTP_Proxy::send_through_proxy()`wp-includes/class-wp-http-proxy.php`	Determines whether the request should be sent through a proxy.
WP_Http_Curl::test()`wp-includes/class-wp-http-curl.php`	Determines whether this class can be used for retrieving a URL.
WP_Http::block_request()`wp-includes/class-wp-http.php`	Determines whether an HTTP API request to the given URL should be blocked.
WP_Http_Streams::request()`wp-includes/class-wp-http-streams.php`	Send a HTTP request to a URI using PHP Streams.
WP_Http_Streams::test()`wp-includes/class-wp-http-streams.php`	Determines whether this class can be used for retrieving a URL.
WP_Http_Curl::request()`wp-includes/class-wp-http-curl.php`	Send a HTTP request to a URI using cURL extension.
WP_Http::_dispatch_request()`wp-includes/class-wp-http.php`	Dispatches a HTTP request to a supporting transport.
WP_Http::request()`wp-includes/class-wp-http.php`	Send an HTTP request to a URI.
wp_allowed_protocols()`wp-includes/functions.php`	Retrieves a list of protocols to allow in HTML attributes.
wp_checkdate()`wp-includes/functions.php`	Tests if the supplied date is valid for the Gregorian calendar.
wp_auth_check_load()`wp-includes/functions.php`	Loads the auth check for monitoring whether the user is still logged in.
wp_auth_check_html()`wp-includes/functions.php`	Outputs the HTML that shows the wp-login dialog when the user is no longer logged in.
get_file_data()`wp-includes/functions.php`	Retrieves metadata from a file.
_deprecated_function()`wp-includes/functions.php`	Marks a function as deprecated and inform when it has been used.
_deprecated_file()`wp-includes/functions.php`	Marks a file as deprecated and inform when it has been used.
_deprecated_argument()`wp-includes/functions.php`	Marks a function argument as deprecated and inform when it has been used.
_doing_it_wrong()`wp-includes/functions.php`	Marks something as being incorrectly called.
iis7_supports_permalinks()`wp-includes/functions.php`	Checks if IIS 7+ supports pretty permalinks.
smilies_init()`wp-includes/functions.php`	Converts smiley code to the icon graphic file equivalent.
wp_maybe_load_widgets()`wp-includes/functions.php`	Determines if Widgets library should be loaded.
wp_check_filetype_and_ext()`wp-includes/functions.php`	Attempts to determine the real file type of a file.
wp_get_mime_types()`wp-includes/functions.php`	Retrieves the list of mime types and file extensions.
wp_upload_bits()`wp-includes/functions.php`	Creates a file in the upload folder with given content.
get_allowed_mime_types()`wp-includes/functions.php`	Retrieves the list of allowed mime types and file extensions.
wp_die()`wp-includes/functions.php`	Kills WordPress execution and displays HTML page with an error message.
do_robots()`wp-includes/functions.php`	Displays the default robots.txt file content.
wp_unique_filename()`wp-includes/functions.php`	Gets a filename that is sanitized and unique for the given directory.
wp_upload_dir()`wp-includes/functions.php`	Returns an array containing the current upload directory’s path and URL.
status_header()`wp-includes/functions.php`	Sets HTTP status header.
wp_get_nocache_headers()`wp-includes/functions.php`	Gets the HTTP header information to prevent caching.
date_i18n()`wp-includes/functions.php`	Retrieves the date in localized format, based on a sum of Unix timestamp and timezone offset in seconds.
number_format_i18n()`wp-includes/functions.php`	Converts float number to format based on the locale.
do_enclose()`wp-includes/functions.php`	Checks content for video and audio links to add as enclosures.
WP_Nav_Menu_Widget::widget()`wp-includes/widgets/class-wp-nav-menu-widget.php`	Outputs the content for the current Navigation Menu widget instance.
WP_Widget_Tag_Cloud::widget()`wp-includes/widgets/class-wp-widget-tag-cloud.php`	Outputs the content for the current Tag Cloud widget instance.
WP_Widget_RSS::widget()`wp-includes/widgets/class-wp-widget-rss.php`	Outputs the content for the current RSS widget instance.
WP_Widget_Recent_Comments::recent_comments_style()`wp-includes/widgets/class-wp-widget-recent-comments.php`	Outputs the default styles for the Recent Comments widget.
WP_Widget_Recent_Comments::widget()`wp-includes/widgets/class-wp-widget-recent-comments.php`	Outputs the content for the current Recent Comments widget instance.
WP_Widget_Recent_Posts::widget()`wp-includes/widgets/class-wp-widget-recent-posts.php`	Outputs the content for the current Recent Posts widget instance.
WP_Widget_Categories::widget()`wp-includes/widgets/class-wp-widget-categories.php`	Outputs the content for the current Categories widget instance.
WP_Widget_Text::widget()`wp-includes/widgets/class-wp-widget-text.php`	Outputs the content for the current Text widget instance.
WP_Widget_Text::form()`wp-includes/widgets/class-wp-widget-text.php`	Outputs the Text widget settings form.
WP_Widget_Calendar::widget()`wp-includes/widgets/class-wp-widget-calendar.php`	Outputs the content for the current Calendar widget instance.
WP_Widget_Meta::widget()`wp-includes/widgets/class-wp-widget-meta.php`	Outputs the content for the current Meta widget instance.
WP_Widget_Archives::widget()`wp-includes/widgets/class-wp-widget-archives.php`	Outputs the content for the current Archives widget instance.
WP_Widget_Search::widget()`wp-includes/widgets/class-wp-widget-search.php`	Outputs the content for the current Search widget instance.
WP_Widget_Links::widget()`wp-includes/widgets/class-wp-widget-links.php`	Outputs the content for the current Links widget instance.
WP_Widget_Pages::widget()`wp-includes/widgets/class-wp-widget-pages.php`	Outputs the content for the current Pages widget instance.
WP_Embed::cache_oembed()`wp-includes/class-wp-embed.php`	Triggers a caching of all oEmbed results.
WP_Embed::maybe_make_link()`wp-includes/class-wp-embed.php`	Conditionally makes a hyperlink based on an internal class variable.
WP_Embed::shortcode()`wp-includes/class-wp-embed.php`	The do_shortcode() callback function.
WP_Feed_Cache_Transient::__construct()`wp-includes/class-wp-feed-cache-transient.php`	Constructor.
_update_post_term_count()`wp-includes/taxonomy.php`	Updates term count based on object types of the current taxonomy.
get_term_link()`wp-includes/taxonomy.php`	Generates a permalink for a taxonomy term archive.
get_ancestors()`wp-includes/taxonomy.php`	Gets an array of ancestor IDs for a given object.
wp_unique_term_slug()`wp-includes/taxonomy.php`	Makes term slug unique, if it isn’t already.
wp_update_term()`wp-includes/taxonomy.php`	Updates term based on arguments provided.
wp_get_object_terms()`wp-includes/taxonomy.php`	Retrieves the terms associated with the given object(s), in the supplied taxonomies.
wp_insert_term()`wp-includes/taxonomy.php`	Adds a new term to the database.
term_exists()`wp-includes/taxonomy.php`	Determines whether a taxonomy term exists.
get_terms()`wp-includes/taxonomy.php`	Retrieves the terms in a given taxonomy or list of taxonomies.
sanitize_term_field()`wp-includes/taxonomy.php`	Sanitizes the field value in the term based on the context.
create_initial_taxonomies()`wp-includes/taxonomy.php`	Creates the initial taxonomies.
get_taxonomy_labels()`wp-includes/taxonomy.php`	Builds an object with all taxonomy labels out of a taxonomy object.
get_term()`wp-includes/taxonomy.php`	Gets all term data from database by term ID.
self_admin_url()`wp-includes/link-template.php`	Retrieves the URL to the admin area for either the current site or the network depending on context.
set_url_scheme()`wp-includes/link-template.php`	Sets the scheme for a URL.
get_dashboard_url()`wp-includes/link-template.php`	Retrieves the URL to the user’s dashboard.
get_edit_profile_url()`wp-includes/link-template.php`	Retrieves the URL to the user’s profile editor.
wp_get_shortlink()`wp-includes/link-template.php`	Returns a shortlink for a post, page, attachment, or site.
the_shortlink()`wp-includes/link-template.php`	Displays the shortlink for a post.
get_admin_url()`wp-includes/link-template.php`	Retrieves the URL to the admin area for a given site.
includes_url()`wp-includes/link-template.php`	Retrieves the URL to the includes directory.
content_url()`wp-includes/link-template.php`	Retrieves the URL to the content directory.
plugins_url()`wp-includes/link-template.php`	Retrieves a URL within the plugins or mu-plugins directory.
network_site_url()`wp-includes/link-template.php`	Retrieves the site URL for the current network.
network_home_url()`wp-includes/link-template.php`	Retrieves the home URL for the current network.
network_admin_url()`wp-includes/link-template.php`	Retrieves the URL to the admin area for the network.
user_admin_url()`wp-includes/link-template.php`	Retrieves the URL to the admin area for the current user.
get_comments_pagenum_link()`wp-includes/link-template.php`	Retrieves the comments page number link.
get_next_comments_link()`wp-includes/link-template.php`	Retrieves the link to the next comments page.
get_previous_comments_link()`wp-includes/link-template.php`	Retrieves the link to the previous comments page.
get_home_url()`wp-includes/link-template.php`	Retrieves the URL for a given site where the front end is accessible.
get_site_url()`wp-includes/link-template.php`	Retrieves the URL for a given site where WordPress application files (e.g. wp-blog-header.php or the wp-admin/ folder) are accessible.
get_shortcut_link()`wp-includes/deprecated.php`	Retrieves the Press This bookmarklet link.
get_adjacent_post_link()`wp-includes/link-template.php`	Retrieves the adjacent post link.
get_pagenum_link()`wp-includes/link-template.php`	Retrieves the link for a page number.
get_next_posts_link()`wp-includes/link-template.php`	Retrieves the next posts page link.
get_previous_posts_link()`wp-includes/link-template.php`	Retrieves the previous posts page link.
get_edit_user_link()`wp-includes/link-template.php`	Retrieves the edit user link.
get_adjacent_post()`wp-includes/link-template.php`	Retrieves the adjacent post.
get_adjacent_post_rel_link()`wp-includes/link-template.php`	Retrieves the adjacent post relational link.
get_search_comments_feed_link()`wp-includes/link-template.php`	Retrieves the permalink for the search results comments feed.
get_post_type_archive_link()`wp-includes/link-template.php`	Retrieves the permalink for a post type archive.
get_post_type_archive_feed_link()`wp-includes/link-template.php`	Retrieves the permalink for a post type archive feed.
get_edit_post_link()`wp-includes/link-template.php`	Retrieves the edit post link for post.
edit_post_link()`wp-includes/link-template.php`	Displays the edit post link for post.
get_delete_post_link()`wp-includes/link-template.php`	Retrieves the delete posts link for post.
get_edit_comment_link()`wp-includes/link-template.php`	Retrieves the edit comment link.
edit_comment_link()`wp-includes/link-template.php`	Displays the edit comment link with formatting.
get_edit_bookmark_link()`wp-includes/link-template.php`	Displays the edit bookmark link.
edit_bookmark_link()`wp-includes/link-template.php`	Displays the edit bookmark link anchor content.
get_term_feed_link()`wp-includes/link-template.php`	Retrieves the feed link for a term.
get_edit_tag_link()`wp-includes/link-template.php`	Retrieves the edit link for a tag.
edit_tag_link()`wp-includes/link-template.php`	Displays or retrieves the edit link for a tag with formatting.
get_edit_term_link()`wp-includes/link-template.php`	Retrieves the URL for editing a given term.
edit_term_link()`wp-includes/link-template.php`	Displays or retrieves the edit term link with formatting.
get_search_link()`wp-includes/link-template.php`	Retrieves the permalink for a search.
get_search_feed_link()`wp-includes/link-template.php`	Retrieves the permalink for the search results feed.
get_month_link()`wp-includes/link-template.php`	Retrieves the permalink for the month archives with year.
get_day_link()`wp-includes/link-template.php`	Retrieves the permalink for the day archives with year and month.
the_feed_link()`wp-includes/link-template.php`	Displays the permalink for the feed type.
get_feed_link()`wp-includes/link-template.php`	Retrieves the permalink for the feed type.
get_post_comments_feed_link()`wp-includes/link-template.php`	Retrieves the permalink for the post comments feed.
post_comments_feed_link()`wp-includes/link-template.php`	Displays the comment feed link for a post.
get_author_feed_link()`wp-includes/link-template.php`	Retrieves the feed link for a given author.
get_permalink()`wp-includes/link-template.php`	Retrieves the full permalink for the current post or post ID.
get_post_permalink()`wp-includes/link-template.php`	Retrieves the permalink for a post of a custom post type.
get_page_link()`wp-includes/link-template.php`	Retrieves the permalink for the current page or page ID.
_get_page_link()`wp-includes/link-template.php`	Retrieves the page permalink.
get_attachment_link()`wp-includes/link-template.php`	Retrieves the permalink for an attachment.
get_year_link()`wp-includes/link-template.php`	Retrieves the permalink for the year archives.
the_permalink()`wp-includes/link-template.php`	Displays the permalink for the current post.
user_trailingslashit()`wp-includes/link-template.php`	Retrieves a trailing-slashed string if the site is set for adding trailing slashes.
is_allowed_http_origin()`wp-includes/http.php`	Determines if the HTTP origin is an authorized one.
wp_http_validate_url()`wp-includes/http.php`	Validate a URL for safe use in the HTTP API.
wp_version_check()`wp-includes/update.php`	Checks WordPress version against the newest version.
wp_update_plugins()`wp-includes/update.php`	Checks for available updates to plugins based on the latest versions hosted on WordPress.org.
wp_update_themes()`wp-includes/update.php`	Checks for available updates to themes based on the latest versions hosted on WordPress.org.
wp_get_update_data()`wp-includes/update.php`	Collects counts and UI strings for available updates.
get_http_origin()`wp-includes/http.php`	Get the HTTP Origin of the current request.
get_allowed_http_origins()`wp-includes/http.php`	Retrieve list of allowed HTTP origins.
WP_Date_Query::validate_column()`wp-includes/class-wp-date-query.php`	Validates a column name parameter.
WP_Date_Query::get_sql()`wp-includes/class-wp-date-query.php`	Generates WHERE clause to be appended to a main query.
do_shortcode_tag()`wp-includes/shortcodes.php`	Regular Expression callable for do_shortcode() for calling shortcode hook.
shortcode_atts()`wp-includes/shortcodes.php`	Combines user attributes with known attributes and fill in defaults when needed.
strip_shortcodes()`wp-includes/shortcodes.php`	Removes all shortcode tags from the given content.
WP_Image_Editor::set_quality()`wp-includes/class-wp-image-editor.php`	Sets Image Compression quality on a 1-100% scale.
WP_Image_Editor::get_output_format()`wp-includes/class-wp-image-editor.php`	Returns preferred mime-type and extension based on provided file’s extension and mime, or current file’s extension and mime.
WP_oEmbed::__construct()`wp-includes/class-wp-oembed.php`	Constructor.
WP_oEmbed::get_html()`wp-includes/class-wp-oembed.php`	The do-it-all function that takes a URL and attempts to return the HTML.
WP_oEmbed::discover()`wp-includes/class-wp-oembed.php`	Attempts to discover link tags at the given URL for an oEmbed provider.
WP_oEmbed::fetch()`wp-includes/class-wp-oembed.php`	Connects to an oEmbed provider and returns the result.
WP_oEmbed::_fetch_with_format()`wp-includes/class-wp-oembed.php`	Fetches result from an oEmbed provider for a specific format and complete provider URL
WP_oEmbed::data2html()`wp-includes/class-wp-oembed.php`	Converts a data object from WP_oEmbed::fetch() and returns the HTML.
wp_admin_bar_my_sites_menu()`wp-includes/admin-bar.php`	Adds the “My Sites/[Site Name]” menu and all submenus.
is_admin_bar_showing()`wp-includes/admin-bar.php`	Determines whether the admin bar should be showing.
_wp_admin_bar_init()`wp-includes/admin-bar.php`	Instantiates the admin bar object and set it up as a global for access elsewhere.
get_the_category_rss()`wp-includes/feed.php`	Retrieves all of the post categories, formatted for use in feeds.
rss_enclosure()`wp-includes/feed.php`	Displays the rss enclosure for the current post.
atom_enclosure()`wp-includes/feed.php`	Displays the atom enclosure for the current post.
self_link()`wp-includes/feed.php`	Displays the link for the currently displayed feed in a XSS safe way.
feed_content_type()`wp-includes/feed.php`	Returns the content type for specified feed type.
fetch_feed()`wp-includes/feed.php`	Builds SimplePie object based on RSS or Atom feed from URL.
get_the_content_feed()`wp-includes/feed.php`	Retrieves the post content for feeds.
the_excerpt_rss()`wp-includes/feed.php`	Displays the post excerpt for the feed.
the_permalink_rss()`wp-includes/feed.php`	Displays the permalink to the post for use in feeds.
comments_link_feed()`wp-includes/feed.php`	Outputs the link to the comments for the current post in an XML safe way.
comment_link()`wp-includes/feed.php`	Displays the link to the comments.
get_comment_author_rss()`wp-includes/feed.php`	Retrieves the current comment author for use in the feeds.
comment_text_rss()`wp-includes/feed.php`	Displays the current comment content for use in the feeds.
get_bloginfo_rss()`wp-includes/feed.php`	Retrieves RSS container for the bloginfo function.
bloginfo_rss()`wp-includes/feed.php`	Displays RSS container for the bloginfo function.
get_default_feed()`wp-includes/feed.php`	Retrieves the default feed.
get_wp_title_rss()`wp-includes/feed.php`	Retrieves the blog title for the feed title.
wp_title_rss()`wp-includes/feed.php`	Displays the blog title for display of the feed title.
get_the_title_rss()`wp-includes/feed.php`	Retrieves the current post title for the feed.
WP_Customize_Setting::value()`wp-includes/class-wp-customize-setting.php`	Fetch the value of the setting.
WP_Customize_Setting::js_value()`wp-includes/class-wp-customize-setting.php`	Sanitize the setting’s value for use in JavaScript.
WP_Customize_Setting::sanitize()`wp-includes/class-wp-customize-setting.php`	Sanitize an input.
set_site_transient()`wp-includes/option.php`	Sets/updates the value of a site transient.
get_site_transient()`wp-includes/option.php`	Retrieves the value of a site transient.
get_transient()`wp-includes/option.php`	Retrieves the value of a transient.
set_transient()`wp-includes/option.php`	Sets/updates the value of a transient.
wp_load_alloptions()`wp-includes/option.php`	Loads and caches all autoloaded options, if available or all options.
update_option()`wp-includes/option.php`	Updates the value of an option that was already added.
add_option()`wp-includes/option.php`	Adds a new option.
get_option()`wp-includes/option.php`	Retrieves an option value based on an option name.
WP_User_Query::prepare_query()`wp-includes/class-wp-user-query.php`	Prepares the query variables.
WP_User_Query::query()`wp-includes/class-wp-user-query.php`	Executes the query, with the current variables.
wp_update_user()`wp-includes/user.php`	Updates a user in the database.
wp_get_user_contact_methods()`wp-includes/user.php`	Sets up the user contact methods.
check_password_reset_key()`wp-includes/user.php`	Retrieves a user row based on password reset key and login.
register_new_user()`wp-includes/user.php`	Handles registering a new user.
username_exists()`wp-includes/user.php`	Determines whether the given username exists.
email_exists()`wp-includes/user.php`	Determines whether the given email exists.
validate_username()`wp-includes/user.php`	Checks whether a username is valid.
wp_insert_user()`wp-includes/user.php`	Inserts a user into the database.
get_blogs_of_user()`wp-includes/user.php`	Gets the sites a user belongs to.
count_users()`wp-includes/user.php`	Counts number of users who have each of the user roles.
wp_dropdown_users()`wp-includes/user.php`	Creates dropdown HTML content of users.
sanitize_user_field()`wp-includes/user.php`	Sanitizes user field based on context.
wp_signon()`wp-includes/user.php`	Authenticates and logs a user in with ‘remember’ capability.
wp_authenticate_username_password()`wp-includes/user.php`	Authenticates a user, confirming the username and password are valid.
wp_authenticate_spam_check()`wp-includes/user.php`	For Multisite blogs, checks if the authenticated user has been marked as a spammer, or if the user’s primary blog has been marked as spam.
count_user_posts()`wp-includes/user.php`	Gets the number of posts a user has written.
get_user_option()`wp-includes/user.php`	Retrieves user option that can be either per Site or per Network.
wp_list_bookmarks()`wp-includes/bookmark-template.php`	Retrieves or echoes all of the bookmarks.
get_query_template()`wp-includes/template.php`	Retrieves path to a template.
WP_Image_Editor_GD::_save()`wp-includes/class-wp-image-editor-gd.php`
Walker_Nav_Menu::start_el()`wp-includes/class-walker-nav-menu.php`	Starts the element output.
has_post_thumbnail()`wp-includes/post-thumbnail-template.php`	Determines whether a post has an image attached.
get_post_thumbnail_id()`wp-includes/post-thumbnail-template.php`	Retrieves the post thumbnail ID.
get_the_post_thumbnail()`wp-includes/post-thumbnail-template.php`	Retrieves the post thumbnail.
Walker_Nav_Menu::start_lvl()`wp-includes/class-walker-nav-menu.php`	Starts the list before the elements are added.
Walker_PageDropdown::start_el()`wp-includes/class-walker-page-dropdown.php`	Starts the element output.
wp_nav_menu()`wp-includes/nav-menu-template.php`	Displays a navigation menu.
Walker_Page::start_el()`wp-includes/class-walker-page.php`	Outputs the beginning of the current element in the tree.
wp_get_attachment_link()`wp-includes/post-template.php`	Retrieves an attachment page link using an image or icon, if possible.
prepend_attachment()`wp-includes/post-template.php`	Wraps attachment in paragraph tag before content.
get_the_password_form()`wp-includes/post-template.php`	Retrieves protected post password form content.
wp_post_revision_title_expanded()`wp-includes/post-template.php`	Retrieves formatted date timestamp of a revision (linked to that revisions’s page).
post_password_required()`wp-includes/post-template.php`	Determines whether the post requires password and whether a correct password has been provided.
wp_link_pages()`wp-includes/post-template.php`	The formatted output of a list of pages.
wp_dropdown_pages()`wp-includes/post-template.php`	Retrieves or displays a list of pages as a dropdown (select list).
wp_list_pages()`wp-includes/post-template.php`	Retrieves or displays a list of pages (or hierarchical post type items) in list (li) format.
wp_page_menu()`wp-includes/post-template.php`	Displays or retrieves a list of pages with an optional home link.
get_the_guid()`wp-includes/post-template.php`	Retrieves the Post Global Unique Identifier (guid).
the_content()`wp-includes/post-template.php`	Displays the post content.
get_the_content()`wp-includes/post-template.php`	Retrieves the post content.
the_excerpt()`wp-includes/post-template.php`	Displays the post excerpt.
get_the_excerpt()`wp-includes/post-template.php`	Retrieves the post excerpt.
get_post_class()`wp-includes/post-template.php`	Retrieves an array of the class names for the post container element.
get_body_class()`wp-includes/post-template.php`	Retrieves an array of the class names for the body element.
get_the_title()`wp-includes/post-template.php`	Retrieves the post title.
the_guid()`wp-includes/post-template.php`	Displays the Post Global Unique Identifier (guid).
get_media_embedded_in_content()`wp-includes/media.php`	Checks the HTML content for an audio, video, object, embed, or iframe tags.
get_post_galleries()`wp-includes/media.php`	Retrieves galleries from the passed post’s content.
get_post_gallery()`wp-includes/media.php`	Checks a specified post’s content for gallery and, if present, return the first
wp_max_upload_size()`wp-includes/media.php`	Determines the maximum upload size allowed in php.ini.
wp_get_image_editor()`wp-includes/media.php`	Returns a WP_Image_Editor instance and loads file into it.
wp_plupload_default_settings()`wp-includes/media.php`	Prints default Plupload arguments.
wp_prepare_attachment_for_js()`wp-includes/media.php`	Prepares an attachment post object for JS, where it is expected to be JSON-encoded and fit into an Attachment model.
wp_enqueue_media()`wp-includes/media.php`	Enqueues all scripts, styles, settings, and templates necessary to use all media JS APIs.
get_attached_media()`wp-includes/media.php`	Retrieves media attached to the passed post.
wp_embed_defaults()`wp-includes/embed.php`	Creates default array of embed parameters.
wp_maybe_load_embeds()`wp-includes/embed.php`	Determines if default embed handlers should be loaded.
wp_embed_handler_audio()`wp-includes/embed.php`	Audio embed handler callback.
wp_embed_handler_video()`wp-includes/embed.php`	Video embed handler callback.
wp_get_video_extensions()`wp-includes/media.php`	Returns a filtered list of supported video formats.
wp_video_shortcode()`wp-includes/media.php`	Builds the Video shortcode output.
gallery_shortcode()`wp-includes/media.php`	Builds the Gallery shortcode output.
wp_playlist_shortcode()`wp-includes/media.php`	Builds the Playlist shortcode output.
wp_mediaelement_fallback()`wp-includes/media.php`	Provides a No-JS Flash fallback as a last resort for audio / video.
wp_get_audio_extensions()`wp-includes/media.php`	Returns a filtered list of supported audio formats.
wp_get_attachment_id3_keys()`wp-includes/media.php`	Returns useful keys to use to lookup data from an attachment’s stored metadata.
wp_audio_shortcode()`wp-includes/media.php`	Builds the Audio shortcode output.
get_image_tag()`wp-includes/media.php`	Gets an img tag for an image attachment, scaling it down if requested.
wp_constrain_dimensions()`wp-includes/media.php`	Calculates the new dimensions for a down-sampled image.
image_resize_dimensions()`wp-includes/media.php`	Retrieves calculated resize dimensions for use in WP_Image_Editor.
get_intermediate_image_sizes()`wp-includes/media.php`	Gets the available intermediate image size names.
wp_get_attachment_image_src()`wp-includes/media.php`	Retrieves an image to represent an attachment.
wp_get_attachment_image()`wp-includes/media.php`	Gets an HTML img element representing an image attachment.
image_get_intermediate_size()`wp-includes/media.php`	Retrieves the image’s intermediate size (resized) path, width, and height.
img_caption_shortcode()`wp-includes/media.php`	Builds the Caption shortcode output.
image_constrain_size_for_editor()`wp-includes/media.php`	Scales down the default size of an image.
image_downsize()`wp-includes/media.php`	Scales an image to fit a particular size (such as ‘thumb’ or ‘medium’).
wp_mime_type_icon()`wp-includes/post.php`	Retrieves the icon for a MIME type or attachment.
get_lastpostdate()`wp-includes/post.php`	Retrieves the most recent time that a post on the site was published.
get_lastpostmodified()`wp-includes/post.php`	Gets the most recent time that a post on the site was modified.
wp_delete_attachment()`wp-includes/post.php`	Trashes or deletes an attachment.
wp_get_attachment_metadata()`wp-includes/post.php`	Retrieves attachment metadata for attachment ID.
wp_update_attachment_metadata()`wp-includes/post.php`	Updates metadata for an attachment.
wp_get_attachment_url()`wp-includes/post.php`	Retrieves the URL for an attachment.
wp_get_attachment_thumb_url()`wp-includes/post.php`	Retrieves URL for an attachment thumbnail.
wp_get_attachment_thumb_file()`wp-includes/deprecated.php`	Retrieves thumbnail for an attachment.
get_enclosed()`wp-includes/post.php`	Retrieves enclosures already enclosed for a post.
get_pung()`wp-includes/post.php`	Retrieves URLs already pinged for a post.
get_to_ping()`wp-includes/post.php`	Retrieves URLs that need to be pinged.
get_page_uri()`wp-includes/post.php`	Builds the URI path for a page.
get_pages()`wp-includes/post.php`	Retrieves an array of pages (or hierarchical post type items).
wp_unique_post_slug()`wp-includes/post.php`	Computes a unique slug for the post, when given the desired slug and some post details.
wp_set_post_categories()`wp-includes/post.php`	Sets categories for a post.
add_ping()`wp-includes/post.php`	Adds a URL to those already pinged.
wp_insert_post()`wp-includes/post.php`	Inserts or update a post.
get_post_mime_types()`wp-includes/post.php`	Gets default post mime types.
wp_delete_post()`wp-includes/post.php`	Trashes or deletes a post or page.
wp_trash_post()`wp-includes/post.php`	Moves a post or page to the Trash
wp_untrash_post()`wp-includes/post.php`	Restores a post from the Trash.
is_sticky()`wp-includes/post.php`	Determines whether a post is sticky.
sanitize_post_field()`wp-includes/post.php`	Sanitizes a post field based on context.
wp_count_posts()`wp-includes/post.php`	Counts number of posts of a post type and if user has permissions to view.
wp_count_attachments()`wp-includes/post.php`	Counts number of attachments for the mime type(s).
get_post_type_labels()`wp-includes/post.php`	Builds an object with all post type labels out of a post type object.
get_post_status()`wp-includes/post.php`	Retrieves the post status based on the post ID.
get_attached_file()`wp-includes/post.php`	Retrieves attached file path based on attachment ID.
update_attached_file()`wp-includes/post.php`	Updates attachment file path based on attachment ID.
_wp_relative_upload_path()`wp-includes/post.php`	Returns relative path to an uploaded file.
WP_Rewrite::mod_rewrite_rules()`wp-includes/class-wp-rewrite.php`	Retrieves mod_rewrite-formatted rewrite rules to write to .htaccess.
WP_Rewrite::iis7_url_rewrite_rules()`wp-includes/class-wp-rewrite.php`	Retrieves IIS7 URL Rewrite formatted rewrite rules to write to web.config file.
WP_Rewrite::flush_rules()`wp-includes/class-wp-rewrite.php`	Removes rewrite rules and then recreate rewrite rules.
WP_Rewrite::rewrite_rules()`wp-includes/class-wp-rewrite.php`	Constructs rewrite matches and queries from permalink structure.
url_to_postid()`wp-includes/rewrite.php`	Examines a URL and try to determine the post ID it represents.
redirect_canonical()`wp-includes/canonical.php`	Redirects incoming links to the proper URL based on the site url.
redirect_guess_404_permalink()`wp-includes/canonical.php`	Attempts to guess the correct URL for a 404 request based on query vars.
wp_revisions_to_keep()`wp-includes/revision.php`	Determines how many revisions to retain for a given post.
_wp_post_revision_fields()`wp-includes/revision.php`	Determines which fields of posts are to be saved in revisions.
wp_save_post_revision()`wp-includes/revision.php`	Creates a revision for the current version of a post.
get_space_used()`wp-includes/ms-functions.php`	Returns the space used by the current site.
get_space_allowed()`wp-includes/ms-functions.php`	Returns the upload quota for the current blog.
wp_is_large_network()`wp-includes/ms-functions.php`	Determines whether or not we have a large network.
wp_maybe_update_network_site_counts()`wp-includes/ms-functions.php`	Updates the count of sites for the current network.
wp_maybe_update_network_user_counts()`wp-includes/ms-functions.php`	Updates the network-wide users count.
wpmu_welcome_user_notification()`wp-includes/ms-functions.php`	Notifies a user that their account activation has been successful.
maybe_redirect_404()`wp-includes/ms-functions.php`	Corrects 404 redirects when NOBLOGREDIRECT is defined.
recurse_dirsize()`wp-includes/functions.php`	Gets the size of a directory recursively.
newblog_notify_siteadmin()`wp-includes/ms-functions.php`	Notifies the network admin that a new site has been activated.
newuser_notify_siteadmin()`wp-includes/ms-functions.php`	Notifies the network admin that a new user has been activated.
domain_exists()`wp-includes/ms-functions.php`	Checks whether a site name is already taken.
wpmu_welcome_notification()`wp-includes/ms-functions.php`	Notifies the site administrator that their site activation was successful.
is_email_address_unsafe()`wp-includes/ms-functions.php`	Checks an email address against a list of banned domains.
wpmu_validate_user_signup()`wp-includes/ms-functions.php`	Sanitizes and validates data required for a user sign-up.
wpmu_validate_blog_signup()`wp-includes/ms-functions.php`	Processes new site registrations.
wpmu_signup_blog()`wp-includes/ms-functions.php`	Records site signup information for future activation.
wpmu_signup_user()`wp-includes/ms-functions.php`	Records user signup information for future activation.
wpmu_signup_blog_notification()`wp-includes/ms-functions.php`	Sends a confirmation request email to a user when they sign up for a new site. The new site will not become active until the confirmation link is clicked.
wpmu_signup_user_notification()`wp-includes/ms-functions.php`	Sends a confirmation request email to a user when they sign up for a new user account (without signing up for a site at the same time). The user account will not become active until the confirmation link is clicked.
sanitize_bookmark_field()`wp-includes/bookmark.php`	Sanitizes a bookmark field.
add_user_to_blog()`wp-includes/ms-functions.php`	Adds a user to a blog, along with specifying the user’s role.
WP_HTTP_IXR_Client::query()`wp-includes/class-wp-http-ixr-client.php`
get_bookmarks()`wp-includes/bookmark.php`	Retrieves the list of bookmarks.
get_site_by_path()`wp-includes/ms-load.php`	Retrieves the closest matching site object by its domain and path.
graceful_fail()`wp-includes/ms-deprecated.php`	Deprecated functionality to gracefully fail.
ms_site_check()`wp-includes/ms-load.php`	Checks status of current blog.
WP_Scripts::do_item()`wp-includes/class-wp-scripts.php`	Processes a script dependency.
WP_Scripts::all_deps()`wp-includes/class-wp-scripts.php`	Determines script dependencies.
get_the_author_meta()`wp-includes/author-template.php`	Retrieves the requested data of the author of the current post.
the_author_meta()`wp-includes/author-template.php`	Outputs the field from the user’s DB object. Defaults to current post’s author.
get_the_author_link()`wp-includes/author-template.php`	Retrieves either author’s link or author’s name.
get_author_posts_url()`wp-includes/author-template.php`	Retrieves the URL to the author page for the user with the ID provided.
wp_list_authors()`wp-includes/author-template.php`	Lists all the authors of the site, with several options available.
is_multi_author()`wp-includes/author-template.php`	Determines whether this site has more than one author.
get_the_author()`wp-includes/author-template.php`	Retrieves the author of the current post.
get_the_modified_author()`wp-includes/author-template.php`	Retrieves the author who last edited the current post.
get_blog_option()`wp-includes/ms-blogs.php`	Retrieves option value for a given blog id based on name of option.
wp_setup_nav_menu_item()`wp-includes/nav-menu.php`	Decorates a menu item object with the shared navigation menu item properties.
has_nav_menu()`wp-includes/nav-menu.php`	Determines whether a registered nav menu location has a menu assigned to it.
wp_get_nav_menus()`wp-includes/nav-menu.php`	Returns all navigation menu objects.
wp_get_nav_menu_items()`wp-includes/nav-menu.php`	Retrieves all menu items of a navigation menu.
wp_get_nav_menu_object()`wp-includes/nav-menu.php`	Returns a navigation menu object.
wp_xmlrpc_server::mt_supportedTextFilters()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves an empty array because we don’t support per-post text filters.
wp_xmlrpc_server::pingback_ping()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves a pingback and registers it.
wp_xmlrpc_server::pingback_error()`wp-includes/class-wp-xmlrpc-server.php`	Sends a pingback error based on the given error code and message.
wp_xmlrpc_server::mw_newMediaObject()`wp-includes/class-wp-xmlrpc-server.php`	Uploads a file, following your settings.
wp_xmlrpc_server::wp_getPostType()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves a post type.
wp_xmlrpc_server::wp_getPostTypes()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves post types.
wp_xmlrpc_server::wp_getRevisions()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves revisions for a specific post.
wp_xmlrpc_server::wp_newComment()`wp-includes/class-wp-xmlrpc-server.php`	Creates a new comment.
wp_xmlrpc_server::wp_getPosts()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves posts.
wp_xmlrpc_server::wp_getTaxonomy()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves a taxonomy.
wp_xmlrpc_server::wp_getTaxonomies()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves all taxonomies.
wp_xmlrpc_server::wp_getUser()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves a user.
wp_xmlrpc_server::wp_getUsers()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves users.
wp_xmlrpc_server::wp_getProfile()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves information about the requesting user.
wp_xmlrpc_server::_prepare_page()`wp-includes/class-wp-xmlrpc-server.php`	Prepares page data for return in an XML-RPC object.
wp_xmlrpc_server::_prepare_comment()`wp-includes/class-wp-xmlrpc-server.php`	Prepares comment data for return in an XML-RPC object.
wp_xmlrpc_server::_prepare_user()`wp-includes/class-wp-xmlrpc-server.php`	Prepares user data for return in an XML-RPC object.
wp_xmlrpc_server::_insert_post()`wp-includes/class-wp-xmlrpc-server.php`	Helper method for wp_newPost() and wp_editPost(), containing shared logic.
wp_xmlrpc_server::wp_getPost()`wp-includes/class-wp-xmlrpc-server.php`	Retrieves a post.
wp_xmlrpc_server::_prepare_taxonomy()`wp-includes/class-wp-xmlrpc-server.php`	Prepares taxonomy data for return in an XML-RPC object.
wp_xmlrpc_server::_prepare_term()`wp-includes/class-wp-xmlrpc-server.php`	Prepares term data for return in an XML-RPC object.
wp_xmlrpc_server::_prepare_post()`wp-includes/class-wp-xmlrpc-server.php`	Prepares post data for return in an XML-RPC object.
wp_xmlrpc_server::_prepare_post_type()`wp-includes/class-wp-xmlrpc-server.php`	Prepares post data for return in an XML-RPC object.
wp_xmlrpc_server::_prepare_media_item()`wp-includes/class-wp-xmlrpc-server.php`	Prepares media item data for return in an XML-RPC object.
wp_xmlrpc_server::__construct()`wp-includes/class-wp-xmlrpc-server.php`	Registers all of the XMLRPC methods that XMLRPC server understands.
wp_xmlrpc_server::login()`wp-includes/class-wp-xmlrpc-server.php`	Logs user in.
wp_xmlrpc_server::initialise_blog_option_info()`wp-includes/class-wp-xmlrpc-server.php`	Sets up blog options property.
wpdb::query()`wp-includes/class-wpdb.php`	Performs a database query, using current database connection.
wpdb::set_sql_mode()`wp-includes/class-wpdb.php`	Changes the current SQL mode, and ensures its WordPress compatibility.
WP_Widget::display_callback()`wp-includes/class-wp-widget.php`	Generates the actual widget content (Do NOT override).
WP_Widget::update_callback()`wp-includes/class-wp-widget.php`	Handles changed settings (Do NOT override).
WP_Widget::form_callback()`wp-includes/class-wp-widget.php`	Generates the widget control form (Do NOT override).
dynamic_sidebar()`wp-includes/widgets.php`	Display dynamic sidebar.
is_active_sidebar()`wp-includes/widgets.php`	Determines whether a sidebar contains widgets.
wp_get_sidebars_widgets()`wp-includes/widgets.php`	Retrieve full list of sidebars and their widget instance IDs.
the_widget()`wp-includes/widgets.php`	Output an arbitrary widget as a template tag.
register_sidebar()`wp-includes/widgets.php`	Builds the definition for a single sidebar and returns the ID.
get_post_reply_link()`wp-includes/comment-template.php`	Retrieves HTML content for reply to post link.
get_cancel_comment_reply_link()`wp-includes/comment-template.php`	Retrieves HTML content for cancel comment reply link.
get_comment_id_fields()`wp-includes/comment-template.php`	Retrieves hidden input HTML for replying to comments.
wp_list_comments()`wp-includes/comment-template.php`	Displays a list of comments.
comment_form()`wp-includes/comment-template.php`	Outputs a complete commenting form for use within a template.
get_trackback_url()`wp-includes/comment-template.php`	Retrieves the current post’s trackback URL.
comments_open()`wp-includes/comment-template.php`	Determines whether the current post is open for comments.
pings_open()`wp-includes/comment-template.php`	Determines whether the current post is open for pings.
comments_template()`wp-includes/comment-template.php`	Loads the comment template specified in $file.
comments_popup_link()`wp-includes/comment-template.php`	Displays the link to the comments for the current post ID.
get_comment_reply_link()`wp-includes/comment-template.php`	Retrieves HTML content for reply to comment link.
get_comment_link()`wp-includes/comment-template.php`	Retrieves the link to a given comment.
get_comments_link()`wp-includes/comment-template.php`	Retrieves the link to the current post comments.
get_comments_number()`wp-includes/comment-template.php`	Retrieves the amount of comments a post has.
get_comment_text()`wp-includes/comment-template.php`	Retrieves the text of the current comment.
comment_text()`wp-includes/comment-template.php`	Displays the text of the current comment.
get_comment_time()`wp-includes/comment-template.php`	Retrieves the comment time of the current comment.
get_comment_type()`wp-includes/comment-template.php`	Retrieves the comment type of the current comment.
comment_author_url()`wp-includes/comment-template.php`	Displays the URL of the author of the current comment, not linked.
get_comment_author_url_link()`wp-includes/comment-template.php`	Retrieves the HTML link of the URL of the author of the current comment.
get_comment_class()`wp-includes/comment-template.php`	Returns the classes for the comment div as an array.
get_comment_date()`wp-includes/comment-template.php`	Retrieves the comment date of the current comment.
get_comment_excerpt()`wp-includes/comment-template.php`	Retrieves the excerpt of the given comment.
comment_excerpt()`wp-includes/comment-template.php`	Displays the excerpt of the current comment.
get_comment_ID()`wp-includes/comment-template.php`	Retrieves the comment ID of the current comment.
get_comment_author()`wp-includes/comment-template.php`	Retrieves the author of the current comment.
comment_author()`wp-includes/comment-template.php`	Displays the author of the current comment.
get_comment_author_email()`wp-includes/comment-template.php`	Retrieves the email of the author of the current comment.
comment_author_email()`wp-includes/comment-template.php`	Displays the email of the author of the current global $comment.
get_comment_author_email_link()`wp-includes/comment-template.php`	Returns the HTML email link to the author of the current comment.
get_comment_author_link()`wp-includes/comment-template.php`	Retrieves the HTML link to the URL of the author of the current comment.
get_comment_author_IP()`wp-includes/comment-template.php`	Retrieves the IP address of the author of the current comment.
get_comment_author_url()`wp-includes/comment-template.php`	Retrieves the URL of the author of the current comment, not linked.
WP_Customize_Widgets::capture_filter_pre_get_option()`wp-includes/class-wp-customize-widgets.php`	Pre-filters captured option values before retrieving.
WP_Customize_Widgets::get_setting_args()`wp-includes/class-wp-customize-widgets.php`	Retrieves common arguments to supply when constructing a Customizer setting.
WP_Customize_Widgets::customize_register()`wp-includes/class-wp-customize-widgets.php`	Registers Customizer settings and controls for all sidebars and widgets.
WP_Customize_Widgets::is_wide_widget()`wp-includes/class-wp-customize-widgets.php`	Determines whether the widget is considered “wide”.
print_head_scripts()`wp-includes/script-loader.php`	Prints the script queue in the HTML head on admin pages.
print_footer_scripts()`wp-includes/script-loader.php`	Prints the scripts that were queued for the footer or too late for the HTML head.
print_admin_styles()`wp-includes/script-loader.php`	Prints the styles queue in the HTML head on admin pages.
print_late_styles()`wp-includes/script-loader.php`	Prints the styles that were queued too late for the HTML head.
wp_default_scripts()`wp-includes/script-loader.php`	Registers all WordPress scripts.
_close_comments_for_old_posts()`wp-includes/comment.php`	Closes comments on old posts on the fly, without any extra DB queries. Hooked to the_posts.
_close_comments_for_old_post()`wp-includes/comment.php`	Closes comments on an old post. Hooked to comments_open and pings_open.
wp_new_comment()`wp-includes/comment.php`	Adds a new comment to the database.
wp_update_comment()`wp-includes/comment.php`	Updates an existing comment in the database.
wp_update_comment_count_now()`wp-includes/comment.php`	Updates the comment count for the post.
do_trackbacks()`wp-includes/comment.php`	Performs trackbacks.
pingback()`wp-includes/comment.php`	Pings back the links found in a post.
wp_get_current_commenter()`wp-includes/comment.php`	Gets current commenter’s name, email, and URL.
wp_filter_comment()`wp-includes/comment.php`	Filters and sanitizes comment data.
get_page_of_comment()`wp-includes/comment.php`	Calculates what page number a comment will appear on for comment paging.
wp_count_comments()`wp-includes/comment.php`	Retrieves the total comment counts for the whole site or a single post.
wp_set_comment_cookies()`wp-includes/comment.php`	Sets the cookies used to store an unauthenticated commentator’s identity. Typically used to recall previous comments by this commentator that are still held in moderation.
sanitize_comment_cookies()`wp-includes/comment.php`	Sanitizes the cookies sent to the user already.
wp_allow_comment()`wp-includes/comment.php`	Validates whether this comment is allowed to be made.
is_protected_meta()`wp-includes/meta.php`	Determines whether a meta key is considered protected.
sanitize_meta()`wp-includes/meta.php`	Sanitizes meta value.
register_meta()`wp-includes/meta.php`	Registers a meta key.
get_comment()`wp-includes/comment.php`	Retrieves comment data given a comment ID or comment object.
check_comment()`wp-includes/comment.php`	Checks whether a comment passes internal checks to be allowed to add.
delete_metadata()`wp-includes/meta.php`	Deletes metadata for the specified object.
metadata_exists()`wp-includes/meta.php`	Determines if a meta field with the given key exists for the given object ID.
get_metadata_by_mid()`wp-includes/meta.php`	Retrieves metadata by meta ID.
update_metadata_by_mid()`wp-includes/meta.php`	Updates metadata by meta ID.
delete_metadata_by_mid()`wp-includes/meta.php`	Deletes metadata by meta ID.
update_meta_cache()`wp-includes/meta.php`	Updates the metadata cache for the specified objects.
_WP_Editors::wp_link_query()`wp-includes/class-wp-editor.php`	Performs post queries for internal linking.
add_metadata()`wp-includes/meta.php`	Adds metadata for the specified object.
update_metadata()`wp-includes/meta.php`	Updates metadata for the specified object. If no value already exists for the specified object ID and metadata key, the metadata will be added.
_WP_Editors::editor_settings()`wp-includes/class-wp-editor.php`
_WP_Editors::wp_mce_translation()`wp-includes/class-wp-editor.php`	Translates the default TinyMCE strings and returns them as JSON encoded object ready to be loaded with tinymce.addI18n(), or as JS snippet that should run after tinymce.js is loaded.
_WP_Editors::parse_settings()`wp-includes/class-wp-editor.php`	Parse default arguments for the editor instance.
_WP_Editors::editor()`wp-includes/class-wp-editor.php`	Outputs the HTML for a single instance of the editor.
wp_print_media_templates()`wp-includes/media-template.php`	Prints the templates used in the media manager.

Show 1,314 more Show less

Changelog

Version	Description
6.0.0	Formalized the existing and already documented `...$args` parameter by adding it to the function signature.
0.71	Introduced.

User Contributed Notes

Codex 9 years ago

Echo after Filtering

echo apply_filters( $tag, $value );

Get Filtered

$myvar = apply_filters( $tag, $value );

Additional Filter Arguments

$myvar = apply_filters( $tag, $value, $param, $otherparam );

For example:

$myvar = apply_filters( 'example_filter', 'filter me', 'arg1', 'arg2 ');

With the_title filter

$my_custom_title = apply_filters('the_title', '  My Custom Title (tm)  ');
$my_custom_title will now contain 'My Custom Title ™', since the_title filter applies wptexturize() and trim(), among others.

Skip to note 7 content

icc97 7 years ago

You must log in to vote on the helpfulness of this noteVote results for this note: 13You must log in to vote on the helpfulness of this note
One fundamental argument that is easy to miss is specifying the number of arguments. Most filters have only one argument and so people drop the argument from add_filter.

The 3, below is very important.
```
add_filter( 'example_filter', 'example_callback', 10, 3 );
```
Otherwise you get the following error, such as this StackOverflow question(http://stackoverflow.com/questions/24198086/missing-argument-2-for-the-function-in-wordpress):

Missing argument 2 for example_callback()
Log in to add feedback
Skip to note 8 content

Dave Gaskin 5 years ago

You must log in to vote on the helpfulness of this noteVote results for this note: 12You must log in to vote on the helpfulness of this note

Something that is not obvious from reading this function’s definition and description is that if add_filter( 'filter_name', 'filter_function' ) is never called/executed in code, the use of apply_filters( 'filter_name', $value ) will return the value of $value by default.

I noticed a call to apply_filters( 'my_filter', ... ) in my theme’s functions.php file and couldn’t find a similar add_filter( 'my_filter', ... ) call anywhere else and was confused about this (I’m still wrapping my head around filters/hooks).

More detail on this can be seen in the example found on this page: https://docs.presscustomizr.com/article/26-wordpress-actions-filters-and-hooks-a-guide-for-non-developers at the section about Filters.

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Jilani Ahmed 7 months ago

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If someone would like to give permission to other developers to change their plugin or theme function value without touching the core code then should use apply_filters

For example –
```
$value = 'Hello world!';
echo apply_filters( 'wpdocs_hook_name', $value, $arg1, $arg2 ); // You can pass arguments also
```
Now how 3rd party developer will work using this hook name? Using the add_filter developer can change the $value variable.
Please follow below –
```
function wpdocs_func_name( $value, $arg1, $arg2 ) {
	return 'Hi Jack!'; 
}
add_filter( 'wpdocs_hook_name', 'wpdocs_func_name', 10, 3 ); // Must specify the arguments number if you use multiple arguments
```
Now the result will show “Hi Jack!” instead of “Hello world!” and it has changed the $value variable dynamically without touching the core file.
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anupamkhosla 2 years ago

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The second line in the description is technically incorrect:

“It is possible to create new filter hooks by simply calling this function…”

apply_filters doesn’t create filter hooks. Read for https://stackoverflow.com/q/72161547/3429430 details

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apply_filters( string $hook_name, mixed $value, mixed $args ): mixed

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apply_filters( string $hook_name, mixed $value, mixed $args ): mixed

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