WP_Error::__construct( string|int $code = '', string $message = '', mixed $data = '' )

Initialize the error.

Description

If $code is empty, the other parameters will be ignored. When $code is not empty, $message will be used even if it is empty. The $data parameter will be used only if it is not empty.

Though the class is constructed with a single error code and message, multiple codes can be added using the add() method.

Parameters

$code

(string|int) (Optional) Error code

Default value: ''

$message

(string) (Optional) Error message

Default value: ''

$data

(mixed) (Optional) Error data.

Default value: ''

Source

File: wp-includes/class-wp-error.php 

	public function __construct( $code = '', $message = '', $data = '' ) {
		if ( empty($code) )
			return;

		$this->errors[$code][] = $message;

		if ( ! empty($data) )
			$this->error_data[$code] = $data;
	}

Expand Source Code View on GitHub

Related

Used By

Used By
Used By Description
wp-signup.php: signup_blog()

Setup the new site signup
wp-signup.php: show_blog_form()

Generates and displays the Signup and Create Site forms
wp-signup.php: show_user_form()

Display user registration form
wp-signup.php: signup_another_blog()

Allow returning users to sign up for another site
wp-signup.php: signup_user()

Setup the new user signup process
wp-login.php: retrieve_password()

Handles sending password retrieval email to user.
wp-login.php: login_header()

Output the login page header.
wp-includes/customize/class-wp-customize-custom-css-setting.php: WP_Customize_Custom_CSS_Setting::validate()

Validate CSS.
wp-includes/customize/class-wp-customize-nav-menu-item-setting.php: WP_Customize_Nav_Menu_Item_Setting::sanitize()

Sanitize an input.
wp-includes/customize/class-wp-customize-nav-menu-item-setting.php: WP_Customize_Nav_Menu_Item_Setting::update()

Creates/updates the nav_menu_item post for this setting.
wp-includes/class-wp-image-editor-gd.php: WP_Image_Editor_GD::load()

Loads image from $this->file into new GD Resource.
wp-includes/class-wp-image-editor-gd.php: WP_Image_Editor_GD::resize()

Resizes current image.
wp-includes/class-wp-image-editor-gd.php: WP_Image_Editor_GD::_resize()
wp-includes/class-wp-image-editor-gd.php: WP_Image_Editor_GD::crop()

Crops Image.
wp-includes/class-wp-image-editor-gd.php: WP_Image_Editor_GD::rotate()

Rotates current image counter-clockwise by $angle.
wp-includes/class-wp-image-editor-gd.php: WP_Image_Editor_GD::flip()

Flips current image.
wp-includes/class-wp-image-editor-gd.php: WP_Image_Editor_GD::_save()
wp-includes/rest-api/fields/class-wp-rest-meta-fields.php: WP_REST_Meta_Fields::delete_meta_value()

Deletes a meta value for an object.
wp-includes/rest-api/fields/class-wp-rest-meta-fields.php: WP_REST_Meta_Fields::update_multi_meta_value()

Updates multiple meta values for an object.
wp-includes/rest-api/fields/class-wp-rest-meta-fields.php: WP_REST_Meta_Fields::update_meta_value()

Updates a meta value for an object.
wp-includes/rest-api/class-wp-rest-request.php: WP_REST_Request::parse_json_params()

Parses the JSON parameters.
wp-includes/rest-api/class-wp-rest-request.php: WP_REST_Request::sanitize_params()

Sanitizes (where possible) the params on the request.
wp-includes/rest-api/class-wp-rest-request.php: WP_REST_Request::has_valid_params()

Checks whether this request is valid according to its attributes.
wp-includes/rest-api/class-wp-rest-response.php: WP_REST_Response::as_error()

Retrieves a WP_Error object from the response.
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::serve_request()

Handles serving an API request.
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::dispatch()

Matches the request to a callback and call it.
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::get_namespace_index()

Retrieves the index for a namespace.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::get_items_permissions_check()

Checks if a given request has access to read comments.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::get_comment()

Get the comment, if the ID is valid.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::get_item_permissions_check()

Checks if a given request has access to read the comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::create_item_permissions_check()

Checks if a given request has access to create a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::create_item()

Creates a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::update_item_permissions_check()

Checks if a given REST request has access to update a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::update_item()

Updates a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::delete_item_permissions_check()

Checks if a given request has access to delete a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::delete_item()

Deletes a comment.
wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php: WP_REST_Comments_Controller::prepare_item_for_database()

Prepares a single comment to be inserted into the database.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::get_items_permissions_check()

Checks if a request has access to read terms in the specified taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::get_term()

Get the term, if the ID is valid.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::get_item_permissions_check()

Checks if a request has access to read or edit the specified term.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::create_item_permissions_check()

Checks if a request has access to create a term.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::create_item()

Creates a single term in a taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::update_item_permissions_check()

Checks if a request has access to update the specified term.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::update_item()

Updates a single term from a taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::delete_item_permissions_check()

Checks if a request has access to delete the specified term.
wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php: WP_REST_Terms_Controller::delete_item()

Deletes a single term from a taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::check_reassign()

Checks for a valid value for the reassign parameter when deleting users.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::get_items_permissions_check()

Permissions check for getting all users.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::get_user()

Get the user, if the ID is valid.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::get_item_permissions_check()

Checks if a given request has access to read a user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::get_current_item()

Retrieves the current user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::create_item_permissions_check()

Checks if a given request has access create users.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::create_item()

Creates a single user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::update_item_permissions_check()

Checks if a given request has access to update a user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::update_item()

Updates a single user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::delete_item_permissions_check()

Checks if a given request has access delete a user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::delete_item()

Deletes a single user.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::check_role_update()

Determines if the current user is allowed to make the desired roles change.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::check_username()

Check a username for the REST API.
wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php: WP_REST_Users_Controller::check_user_password()

Check a user password for the REST API.
wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php: WP_REST_Revisions_Controller::get_parent()

Get the parent post, if the ID is valid.
wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php: WP_REST_Revisions_Controller::get_items_permissions_check()

Checks if a given request has access to get revisions.
wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php: WP_REST_Revisions_Controller::get_revision()

Get the revision, if the ID is valid.
wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php: WP_REST_Revisions_Controller::delete_item()

Deletes a single revision.
wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php: WP_REST_Taxonomies_Controller::get_items_permissions_check()

Checks whether a given request has permission to read taxonomies.
wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php: WP_REST_Taxonomies_Controller::get_item_permissions_check()

Checks if a given request has access to a taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php: WP_REST_Taxonomies_Controller::get_item()

Retrieves a specific taxonomy.
wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php: WP_REST_Settings_Controller::update_item()

Updates settings for the settings object.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::create_item_permissions_check()

Checks if a given request has access to create an attachment.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::create_item()

Creates a single attachment.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::update_item()

Updates a single attachment.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::upload_from_data()

Handles an upload via raw POST data.
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::upload_from_file()

Handles an upload via multipart/form-data ($_FILES).
wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php: WP_REST_Attachments_Controller::check_upload_size()

Determine if uploaded file exceeds space quota on multisite.
wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php: WP_REST_Post_Types_Controller::get_items_permissions_check()

Checks whether a given request has permission to read types.
wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php: WP_REST_Post_Types_Controller::get_item()

Retrieves a specific post type.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::sanitize_post_statuses()

Sanitizes and validates the list of post statuses, including whether the user can query private statuses.
wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php: WP_REST_Post_Statuses_Controller::get_items_permissions_check()

Checks whether a given request has permission to read post statuses.
wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php: WP_REST_Post_Statuses_Controller::get_item_permissions_check()

Checks if a given request has access to read a post status.
wp-includes/rest-api/endpoints/class-wp-rest-post-statuses-controller.php: WP_REST_Post_Statuses_Controller::get_item()

Retrieves a specific post status.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::get_items_permissions_check()

Checks if a given request has access to get items.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::get_items()

Retrieves a collection of items.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::get_item_permissions_check()

Checks if a given request has access to get a specific item.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::get_item()

Retrieves one item from the collection.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::create_item_permissions_check()

Checks if a given request has access to create items.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::create_item()

Creates one item from the collection.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::update_item_permissions_check()

Checks if a given request has access to update a specific item.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::update_item()

Updates one item from the collection.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::delete_item_permissions_check()

Checks if a given request has access to delete a specific item.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::delete_item()

Deletes one item from the collection.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::prepare_item_for_database()

Prepares one item for create or update operation.
wp-includes/rest-api/endpoints/class-wp-rest-controller.php: WP_REST_Controller::prepare_item_for_response()

Prepares the item for the REST response.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_items_permissions_check()

Checks if a given request has access to read posts.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_items()

Retrieves a collection of posts.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_post()

Get the post, if the ID is valid.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::get_item_permissions_check()

Checks if a given request has access to read a post.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::create_item_permissions_check()

Checks if a given request has access to create a post.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::create_item()

Creates a single post.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::update_item_permissions_check()

Checks if a given request has access to update a post.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::delete_item_permissions_check()

Checks if a given request has access to delete a post.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::delete_item()

Deletes a single post.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::prepare_item_for_database()

Prepares a single post for create or update.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::handle_status_param()

Determines validity and normalizes the given status parameter.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::handle_featured_media()

Determines the featured media based on a request param.
wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php: WP_REST_Posts_Controller::check_template()

Check whether the template is valid for the given post.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::load()

Loads image from $this->file into new Imagick Object.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::set_quality()

Sets Image Compression quality on a 1-100% scale.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::update_size()

Sets or updates current image size.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::resize()

Resizes current image.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::thumbnail_image()

Efficiently resize the current image
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::crop()

Crops Image.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::rotate()

Rotates current image counter-clockwise by $angle.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::flip()

Flips current image.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::save()

Saves current image to file.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::_save()
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::stream()

Streams current image to browser.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::strip_meta()

Strips all image meta except color profiles from an image.
wp-includes/class-wp-image-editor-imagick.php: WP_Image_Editor_Imagick::pdf_setup()

Sets up Imagick for PDF processing.
wp-includes/class-wp-customize-widgets.php: WP_Customize_Widgets::call_widget_update()

Finds and invokes the widget update and control callbacks.
wp-includes/class-wp-http-streams.php: WP_Http_Streams::request()

Send a HTTP request to a URI using PHP Streams.
wp-includes/class-wp-customize-widgets.php: WP_Customize_Widgets::parse_widget_setting_id()

Converts a widget setting ID (option path) to its id_base and number components.
wp-includes/media.php: wp_get_image_editor()

Returns a WP_Image_Editor instance and loads file into it.
wp-includes/class-wp-term.php: WP_Term::get_instance()

Retrieve WP_Term instance.
wp-includes/class-wp-http-curl.php: WP_Http_Curl::request()

Send a HTTP request to a URI using cURL extension.
wp-includes/class-wp-tax-query.php: WP_Tax_Query::clean_query()

Validates a single query.
wp-includes/class-wp-tax-query.php: WP_Tax_Query::transform_query()

Transforms a single query, from one field to another.
wp-includes/class-wp-metadata-lazyloader.php: WP_Metadata_Lazyloader::queue_objects()

Adds objects to the metadata lazy-load queue.
wp-includes/class-wp-metadata-lazyloader.php: WP_Metadata_Lazyloader::reset_queue()

Resets lazy-load queue for a given object type.
wp-includes/pluggable.php: wp_authenticate()

Authenticate a user, confirming the login credentials are valid.
wp-includes/pluggable.php: wp_mail()

Send mail, similar to PHP’s mail
wp-includes/class-wp-image-editor.php: WP_Image_Editor::set_quality()

Sets Image Compression quality on a 1-100% scale.
wp-includes/nav-menu.php: wp_update_nav_menu_object()

Save the properties of a menu or create a new menu with those properties.
wp-includes/nav-menu.php: wp_update_nav_menu_item()

Save the properties of a menu item or create a new one.
wp-includes/comment.php: wp_handle_comment_submission()

Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form.
wp-includes/comment.php: wp_set_comment_status()

Sets the status of a comment.
wp-includes/comment.php: wp_check_comment_data_max_lengths()

Compares the lengths of comment data against the maximum character limits.
wp-includes/comment.php: wp_allow_comment()

Validates whether this comment is allowed to be made.
wp-includes/post-formats.php: set_post_format()

Assign a format to a post
wp-includes/class-http.php: WP_Http::request()

Send an HTTP request to a URI.
wp-includes/class-http.php: WP_Http::_dispatch_request()

Dispatches a HTTP request to a supporting transport.
wp-includes/class-http.php: WP_Http::handle_redirects()

Handles HTTP Redirects and follows them if appropriate.
wp-includes/user.php: wp_validate_user_request_key()

Validate a user request by comparing the key with the request’s key.
wp-includes/user.php: wp_create_user_request()

Create and log a user request to perform a specific action.
wp-includes/user.php: wp_send_user_request()

Send a confirmation request email to confirm an action.
wp-includes/user.php: send_confirmation_on_profile_email()

Send a confirmation request email when a change of user email address is attempted.
wp-includes/user.php: get_password_reset_key()

Creates, stores, then returns a password reset key for user.
wp-includes/user.php: check_password_reset_key()

Retrieves a user row based on password reset key and login
wp-includes/user.php: register_new_user()

Handles registering a new user.
wp-includes/user.php: wp_insert_user()

Insert a user into the database.
wp-includes/user.php: wp_update_user()

Update a user in the database.
wp-includes/user.php: wp_authenticate_username_password()

Authenticate a user, confirming the username and password are valid.
wp-includes/user.php: wp_authenticate_email_password()

Authenticates a user using the email and password.
wp-includes/user.php: wp_authenticate_cookie()

Authenticate the user using the ClassicPress auth cookie.
wp-includes/user.php: wp_authenticate_spam_check()

For Multisite blogs, check if the authenticated user has been marked as a spammer, or if the user’s primary blog has been marked as spam.
wp-includes/user.php: wp_signon()

Authenticates and logs a user in with ‘remember’ capability.
wp-includes/wp-db.php: wpdb::set_prefix()

Sets the table prefix for the ClassicPress tables.
wp-includes/wp-db.php: wpdb::get_table_charset()

Retrieves the character set for the given table.
wp-includes/wp-db.php: wpdb::strip_invalid_text()

Strips any invalid characters based on value/charset pairs.
wp-includes/wp-db.php: wpdb::bail()

Wraps errors in a nice header and footer and dies.
wp-includes/wp-db.php: wpdb::check_database_version()

Whether MySQL database is at least the required minimum version.
wp-includes/class-wp-theme.php: WP_Theme::__construct()

Constructor for WP_Theme.
wp-includes/class-wp-xmlrpc-server.php: wp_xmlrpc_server::login()

Log user in.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::_sanitize_background_setting()

Callback for validating a background setting value.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::get_changeset_post_data()

Get the data stored in a changeset post.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::validate_setting_values()

Validates setting values.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::save()

Handle customize_save WP Ajax request to save/update a changeset.
wp-includes/class-wp-customize-manager.php: WP_Customize_Manager::save_changeset_post()

Save the post for the loaded changeset.
wp-includes/rest-api.php: rest_validate_value_from_schema()

Validate a value based on a schema.
wp-includes/rest-api.php: rest_cookie_check_errors()

Checks for errors when using cookie-based authentication.
wp-includes/post.php: wp_insert_post()

Insert or update a post.
wp-includes/post.php: wp_update_post()

Update a post with new post data.
wp-includes/post.php: register_post_type()

Registers a post type.
wp-includes/post.php: unregister_post_type()

Unregisters a post type.
wp-includes/class-wp-customize-nav-menus.php: WP_Customize_Nav_Menus::insert_auto_draft_post()

Add a new auto-draft post.
wp-includes/class-wp-customize-nav-menus.php: WP_Customize_Nav_Menus::load_available_items_query()

Performs the post_type and taxonomy queries for loading available menu items.
wp-includes/ms-functions.php: wpmu_validate_user_signup()

Sanitize and validate data required for a user sign-up.
wp-includes/ms-functions.php: wpmu_validate_blog_signup()

Processes new site registrations.
wp-includes/ms-functions.php: wpmu_activate_signup()

Activate a signup.
wp-includes/ms-functions.php: wpmu_create_blog()

Create a site.
wp-includes/ms-functions.php: add_user_to_blog()

Adds a user to a blog.
wp-includes/ms-functions.php: remove_user_from_blog()

Remove a user from a blog.
wp-includes/class-wp-oembed-controller.php: WP_oEmbed_Controller::get_proxy_item()

Callback for the proxy API endpoint.
wp-includes/class-wp-oembed-controller.php: WP_oEmbed_Controller::get_item()

Callback for the embed API endpoint.
wp-includes/class-wp-oembed-controller.php: WP_oEmbed_Controller::get_proxy_item_permissions_check()

Checks if current user can make a proxy oEmbed request.
wp-includes/feed.php: fetch_feed()

Build SimplePie object based on RSS or Atom feed from URL.
wp-includes/taxonomy.php: is_object_in_term()

Determine if the given object is associated with any of the given terms.
wp-includes/taxonomy.php: get_term_link()

Generate a permalink for a taxonomy term archive.
wp-includes/taxonomy.php: wp_update_term()

Update term based on arguments provided.
wp-includes/taxonomy.php: wp_get_object_terms()

Retrieves the terms associated with the given object(s), in the supplied taxonomies.
wp-includes/taxonomy.php: wp_set_object_terms()

Create Term and Taxonomy Relationships.
wp-includes/taxonomy.php: wp_insert_term()

Add a new term to the database.
wp-includes/taxonomy.php: wp_remove_object_terms()

Remove term(s) associated with a given object.
wp-includes/taxonomy.php: update_term_meta()

Updates term metadata.
wp-includes/taxonomy.php: get_objects_in_term()

Retrieve object_ids of valid taxonomy and term.
wp-includes/taxonomy.php: get_term()

Get all Term data from database by Term ID.
wp-includes/taxonomy.php: get_term_children()

Merge all term children into a single array of their IDs.
wp-includes/taxonomy.php: get_terms()

Retrieve the terms in a given taxonomy or list of taxonomies.
wp-includes/taxonomy.php: add_term_meta()

Adds metadata to a term.
wp-includes/taxonomy.php: register_taxonomy()

Creates or modifies a taxonomy object.
wp-includes/taxonomy.php: unregister_taxonomy()

Unregisters a taxonomy.
wp-includes/revision.php: _wp_put_post_revision()

Inserts post data into the posts table as a post revision.
wp-includes/class-oembed.php: WP_oEmbed::_fetch_with_format()

Fetches result from an oEmbed provider for a specific format and complete provider URL
wp-includes/class-wp-customize-setting.php: WP_Customize_Setting::validate()

Validates an input.
wp-admin/includes/deprecated.php: WP_User_Search::query()

Executes the user search query.
wp-admin/includes/class-wp-filesystem-ftpext.php: WP_Filesystem_FTPext::__construct()
wp-admin/includes/media.php: media_sideload_image()

Downloads an image from the specified URL and attaches it to a post.
wp-admin/includes/media.php: media_handle_upload()

Save a file submitted from a POST request and create an attachment post for it.
wp-admin/includes/media.php: media_handle_sideload()

Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload().
wp-admin/includes/schema.php: populate_network()

Populate network settings.
wp-admin/includes/nav-menu.php: wp_get_nav_menu_to_edit()

Returns the menu formatted to edit.
wp-admin/includes/translation-install.php: translations_api()

Retrieve translations from ClassicPress Translation API.
wp-admin/includes/plugin-install.php: plugins_api()

Retrieves plugin installer pages from the ClassicPress.net Plugins API.
wp-admin/includes/class-theme-upgrader.php: Theme_Upgrader::check_package()

Check that the package source contains a valid theme.
wp-admin/includes/class-core-upgrader.php: Core_Upgrader::upgrade()

Upgrade ClassicPress core.
wp-admin/includes/class-wp-filesystem-direct.php: WP_Filesystem_Direct::__construct()

constructor
wp-admin/includes/class-wp-filesystem-ftpsockets.php: WP_Filesystem_ftpsockets::__construct()
wp-admin/includes/bookmark.php: wp_insert_link()

Inserts/updates links into/in the database.
wp-admin/includes/ajax-actions.php: wp_ajax_add_tag()

Ajax handler to add a tag.
wp-admin/includes/ajax-actions.php: wp_ajax_dim_comment()

Ajax handler to dim a comment.
wp-admin/includes/class-wp-upgrader.php: WP_Upgrader::fs_connect()

Connect to the filesystem.
wp-admin/includes/class-wp-upgrader.php: WP_Upgrader::download_package()

Download a package.
wp-admin/includes/class-wp-upgrader.php: WP_Upgrader::unpack_package()

Unpack a compressed package file.
wp-admin/includes/class-wp-upgrader.php: WP_Upgrader::clear_destination()

Clears the directory where this item is going to be installed into.
wp-admin/includes/class-wp-upgrader.php: WP_Upgrader::install_package()

Install a package.
wp-admin/includes/update-core.php: update_core()

Upgrades the core of ClassicPress.
wp-admin/includes/class-wp-automatic-updater.php: WP_Automatic_Updater::update()

Update an item, if appropriate.
wp-admin/includes/user.php: _wp_privacy_resend_request()

Resend an existing request and return the result.
wp-admin/includes/user.php: _wp_privacy_completed_request()

Marks a request as completed by the admin and logs the current timestamp.
wp-admin/includes/theme.php: delete_theme()

Remove a theme
wp-admin/includes/theme.php: themes_api()

Retrieves theme installer pages from the ClassicPress.net Themes API.
wp-admin/includes/user.php: edit_user()

Edit user settings based on contents of $_POST
wp-admin/includes/plugin.php: activate_plugin()

Attempts activation of plugin in a “sandbox” and redirects on success.
wp-admin/includes/plugin.php: activate_plugins()

Activate multiple plugins.
wp-admin/includes/plugin.php: delete_plugins()

Remove directory and files of a plugin for a list of plugins.
wp-admin/includes/plugin.php: validate_plugin()

Validate the plugin path.
wp-admin/includes/file.php: wp_privacy_send_personal_data_export_email()

Send an email to the user with a link to the personal data export file
wp-admin/includes/file.php: download_url()

Downloads a URL to a local temporary file using the ClassicPress HTTP Class.
wp-admin/includes/file.php: verify_file_md5()

Calculates and compares the MD5 of a file to its expected value.
wp-admin/includes/file.php: unzip_file()

Unzips a specified ZIP file to a location on the Filesystem via the ClassicPress Filesystem Abstraction.
wp-admin/includes/file.php: _unzip_file_ziparchive()

This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the ZipArchive class.
wp-admin/includes/file.php: _unzip_file_pclzip()

This function should not be called directly, use unzip_file instead. Attempts to unzip an archive using the PclZip library.
wp-admin/includes/file.php: copy_dir()

Copies a directory from one location to another via the ClassicPress Filesystem Abstraction.
wp-admin/includes/file.php: wp_edit_theme_plugin_file()

Attempt to edit a file for a theme or plugin.
wp-admin/includes/class-language-pack-upgrader.php: Language_Pack_Upgrader::bulk_upgrade()

Bulk upgrade language packs.
wp-admin/includes/class-language-pack-upgrader.php: Language_Pack_Upgrader::check_package()

Check the package source to make sure there are .mo and .po files.
wp-admin/includes/class-wp-ajax-upgrader-skin.php: WP_Ajax_Upgrader_Skin::__construct()

Constructor.
wp-admin/includes/post.php: wp_autosave()

Save a post submitted with XHR
wp-admin/includes/post.php: _wp_translate_postdata()

Rename $_POST data from form names to DB post columns.
wp-admin/includes/post.php: wp_write_post()

Creates a new post from the “Write Post” form using $_POST information.
wp-admin/includes/dashboard.php: cp_dashboard_petitions_output()

Display the ClassicPress petitions feeds.
wp-admin/includes/class-wp-filesystem-ssh2.php: WP_Filesystem_SSH2::__construct()
wp-admin/includes/class-plugin-upgrader.php: Plugin_Upgrader::check_package()

Check a source package to be sure it contains a plugin.
wp-admin/includes/class-plugin-upgrader.php: Plugin_Upgrader::deactivate_plugin_before_upgrade()

Deactivates a plugin before it is upgraded.
wp-admin/includes/class-plugin-upgrader.php: Plugin_Upgrader::delete_old_plugin()

Delete the old plugin during an upgrade.
wp-admin/includes/taxonomy.php: wp_insert_category()

Updates an existing Category or creates a new Category.
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Changelog

Changelog
Version Description
WP-2.1.0 Introduced.