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

Sanitizes and validates the font collection data.

Handles file upload error.

Get the parent font family, if the ID is valid.

Creates a font face for the parent font family.

Deletes a single font face.

Checks if a given request has access to a font face.

Validates settings when creating a font face.

Retrieves a single font face within the parent font family.

Checks if a given request has access to font faces.

Checks if a given request has access to a font family.

Validates settings when creating or updating a font family.

Creates a single font family.

Deletes a single font family.

Checks if a given request has access to font families.

Determines the featured media based on a request param.

Checks whether the user has permissions to use the Fonts Collections.

Gets a font collection.

Gets the font collections available.

Runs a remote HTTPS request to detect whether HTTPS supported, and stores potential errors.

Gets the autosave, if the ID is valid.

Checks if a given request has access to delete a revision.

Gets the parent post, if the template ID is valid.

Removes PDF alpha after it’s been read.

Validates the redirect URL protocol scheme. The protocol can be anything except http and javascript.

Creates a Navigation Menu post from a Classic Menu.

Checks if a given request has access to read fallbacks.

Gets the most appropriate fallback Navigation Menu.

Returns decoded JSON from post content string, or a 404 if not found.

Returns paginated revisions of the given global styles config custom post type.

Deletes all contents in the temporary backup directory.

Converts a Classic Menu to blocks.

Moves the plugin or theme being updated into a temporary backup directory.

Restores the plugin or theme from temporary backup.

Deletes a temporary backup.

Validate style.css as valid CSS.

Moves a directory from one location to another.

Returns the latest revision ID and count of revisions for a post.

Checks if site has page cache enabled or not.

Checks whether a given request has permission to read block patterns.

Checks if a given request has access to read a single theme global styles config.

Returns the given theme global styles variations.

Checks whether a given request has permission to read block patterns.

Retrieves the term’s schema, conforming to JSON Schema.

Checks whether the current user has read permission for the endpoint.

Creates a single post.

Deletes a single menu item.

Prepares a single post for create or update.

Checks if a given request has access to read a single theme global styles config.

Returns the given theme global styles config.

Get the post, if the ID is valid.

Checks if a given request has access to read a single global style.

Checks if a given request has access to write a single global styles config.

Retrieves the contents of the title tag from the HTML response.

Checks whether a given request has permission to read remote URLs.

Retrieves the document title from a remote URL.

Checks whether the current user has read permission for the endpoint.

Creates a single term in a taxonomy.

Updates a single term from a taxonomy.

Deletes a single term from a taxonomy.

Updates the menu’s locations from a REST request.

Retrieves the term’s schema, conforming to JSON Schema.

Checks whether a given request has permission to read menu locations.

Checks if a given request has access to read a menu location.

Retrieves a specific menu location.

Checks whether a given request has permission to export.

Creates an export of the current templates and template parts from the site editor at the specified path in a ZIP file.

Builds a unified template object based a post Object.

Prepares the widget for the REST response.

Gets an individual widget.

Updates an existing widget.

Deletes a widget.

Performs a permissions check for managing widgets.

Saves the widget in the request object.

Retrieves one sidebar from the collection.

Checks if the user has permissions to make the request.

Checks if the user has permissions to make the request.

Checks if a given request has access to read templates.

Checks if a given request has access to read a single template.

Returns the given template

Updates a single template.

Creates a single template.

Deletes a single template.

Prepares a single template for create or update.

Checks whether a given request has permission to view the local block pattern directory.

Search and retrieve block patterns metadata

An RPC-style endpoint which can be used by clients to turn user input in a widget admin form into an encoded instance object.

Checks whether the user can read widget types.

Gets the details about the requested widget.

Checks if a given request has access to get the currently used application password for a user.

Retrieves the application password being currently used for authentication of a user.

Checks if a given request has access to read the theme.

Checks if a theme can be read.

Retrieves a single theme.

Validates an integer value based on a schema.

Validates that the given value is a member of the JSON Schema “enum”.

Validates a null value based on a schema.

Validates a boolean value based on a schema.

Validates an object value based on a schema.

Validates an array value based on a schema.

Validates a number value based on a schema.

Validates a string value based on a schema.

Serves the batch/v1 request.

Matches a request object to its handler.

Dispatches the request to the callback handler.

Gets the current directory sizes for this install.

Performs a permissions check for the request.

Gets the requested user.

Gets the requested application password for a user.

Checks if a given request has access to get application passwords.

Checks if a given request has access to get a specific application password.

Checks if a given request has access to create application passwords.

Checks if a given request has access to update application passwords.

Checks if a given request has access to delete all application passwords for a user.

Checks if a given request has access to delete a specific application password for a user.

Writes an image to a file or stream.

Deletes an application password.

Deletes all application passwords for the given user.

Creates a new application password.

Updates an application password.

Records that an application password has been used.

Authenticates the user using an application password.

Formats a combining operation error into a WP_Error object.

Gets the error of combining operation.

Finds the matching schema among the “oneOf” schemas.

Checks if the Authorize Application Password request is valid.

Checks whether a given request has permission to install and activate plugins.

Gets the plugin header data for a plugin.

Handle updating a plugin’s status.

Handle updating a plugin’s status.

Determine if the endpoints are available.

Checks if a given request has access to get a specific plugin.

Checks if the given plugin can be viewed by the current user.

Checks if a given request has access to upload plugins.

Uploads a plugin and optionally activates it.

Checks if a given request has access to update a specific plugin.

Checks if a given request has access to delete a specific plugin.

Deletes one plugin from the site.

Checks if a given request has access to get plugins.

Get the block, if the name is valid.

Checks whether a given block type should be visible.

Checks if a given request has access to editing media.

Applies edits to a media item and creates a new attachment record.

Registers a theme feature for use in add_theme_support() .

Validates the theme requirements for WordPress version and PHP version.

Create an image sub-size and return the image meta data value for it.

Check if a JPEG image has EXIF Orientation tag and rotate it if needed.

Create an image sub-size and return the image meta data value for it.

If any of the currently registered image sub-sizes are missing, create them and update the image meta data.

Handles a fatal error occurring.

Verifies if the recovery mode key is correct.

Sends the recovery mode email if the rate limit has not been sent.

Validates the recovery mode cookie.

Gets the session identifier from the cookie.

Parses the cookie into its four parts.

Displays the default PHP error template.

Verifies the contents of a file against its ED25519 signature.

Tries to resume a single theme.

Populates the list of cron events and store them to a class-wide variable.

Tries to resume a single plugin.

Validates the plugin requirements for WordPress version and PHP version.

Runs the initialization routine for a given site.

Runs the uninitialization routine for a given site.

Prepares site data for insertion or update in the database.

Inserts a new site into the database.

Updates a site in the database.

Deletes a site from the database.

Clears existing translations where this item is going to be installed into.

Retrieves a collection of search results.

Gets the search handler to handle the current request.

Checks if a given request has access to read the theme.

Checks if a given request has access to get autosaves.

Checks if a given request has access to create an autosave revision.

Get the autosave, if the ID is valid.

Checks if a given request has access to read blocks.

Returns block output from block’s registered render_callback.

Determine if uploaded file exceeds space quota on multisite.

Validates a user request by comparing the key with the request’s key.

Creates and logs a user request to perform a specific action.

Send a confirmation request email to confirm an action.

Send an email to the user with a link to the personal data export file

Resend an existing request and return the result.

Marks a request as completed by the admin and logs the current timestamp.

Unschedules all events attached to the hook.

Checks whether the template is valid for the given post.

Attempts to edit a file for a theme or plugin.

Get the user, if the ID is valid.

Get the revision, if the ID is valid.

Get the parent post, if the ID is valid.

Get the term, if the ID is valid.

Gets the post, if the ID is valid.

Get the comment, if the ID is valid.

Checks if current user can make a proxy oEmbed request.

Callback for the proxy API endpoint.

Gets data about events near a particular location.

Sanitize a value based on a schema.

Validate a value based on a schema.

Callback for validating a background setting value.

Saves the post for the loaded changeset.

Gets the data stored in a changeset post.

Sets up Imagick for PDF processing.

Deletes a meta value for an object.

Updates multiple meta values for an object.

Updates a meta value for an object.

Updates meta values.

Check a username for the REST API.

Check a user password for the REST API.

Determines if the current user is allowed to make the desired roles change.

Checks if a given request has access delete a user.

Deletes a single user.

Retrieves the current user.

Checks if a given request has access create users.

Creates a single user.

Checks if a given request has access to update a user.

Updates a single user.

Checks for a valid value for the reassign parameter when deleting users.

Permissions check for getting all users.

Checks if a given request has access to read a user.

Retrieves one revision from the collection.

Checks if a given request has access to delete a revision.

Deletes a single revision.

Handles an upload via multipart/form-data ($_FILES).

Checks if a given request has access to get revisions.

Gets a collection of revisions.

Handles an upload via raw POST data.

Creates a single attachment.

Updates a single attachment.

Checks if a given request has access to create an attachment.

Checks if a given request has access to read a post status.

Retrieves a specific post status.

Checks whether a given request has permission to read post statuses.

Updates settings for the settings object.

Deletes a single term from a taxonomy.

Checks if a request has access to create a term.

Creates a single term in a taxonomy.

Checks if a request has access to update the specified term.

Updates a single term from a taxonomy.

Checks if a request has access to delete the specified term.

Checks if a request has access to read terms in the specified taxonomy.

Checks if a request has access to read or edit the specified term.

Sanitizes and validates the list of post statuses, including whether the user can query private statuses.

Determines validity and normalizes the given status parameter.

Determines the featured media based on a request param.

Prepares a single post for create or update.

Creates a single post.

Checks if a given request has access to update a post.

Checks if a given request has access to delete a post.

Deletes a single post.

Checks if a given request has access to read a post.

Checks if a given request has access to create a post.

Checks if a given request has access to read posts.

Retrieves a collection of posts.

Checks if a given request has access to a taxonomy.

Retrieves a specific taxonomy.

Checks whether a given request has permission to read taxonomies.

Checks whether a given request has permission to read types.

Retrieves a specific post type.

Deletes one item from the collection.

Prepares one item for create or update operation.

Prepares the item for the REST response.

Checks if a given request has access to delete a specific item.

Retrieves one item from the collection.

Checks if a given request has access to create items.

Creates one item from the collection.

Checks if a given request has access to update a specific item.

Updates one item from the collection.

Checks if a given request has access to get items.

Retrieves a collection of items.

Checks if a given request has access to get a specific item.

Prepares a single comment to be inserted into the database.

Checks if a given REST request has access to update a comment.

Updates a comment.

Checks if a given request has access to delete a comment.

Deletes a comment.

Checks if a given request has access to read the comment.

Checks if a given request has access to create a comment.

Creates a comment.

Checks if a given request has access to read comments.

Compares the lengths of comment data against the maximum character limits.

Adds a new auto-draft post.

Validate a received value for being valid CSS.

Validates setting values.

Validates an input.

Constructor.

Resets lazy-load queue for a given object type.

Adds objects to the metadata lazy-load queue.

Strips all image meta except color profiles from an image.

Efficiently resize the current image

Unregisters a taxonomy.

Authenticates a user using the email and password.

Unregisters a post type.

Checks for errors when using cookie-based authentication.

Adds metadata to a term.

Updates term metadata.

Sanitizes (where possible) the params on the request.

Checks whether this request is valid according to its attributes.

Parses the JSON parameters.

Retrieves a WP_Error object from the response.

Matches the request to a callback and call it.

Retrieves the index for a namespace.

Handles serving a REST API request.

Callback for the embed API endpoint.

Creates, stores, then returns a password reset key for user.

Retrieve WP_Term instance.

Handles the submission of a comment, usually posted to wp-comments-post.php via a comment form.

Sanitize an input.

Creates/updates the nav_menu_item post for this setting.

Performs the post_type and taxonomy queries for loading available menu items.

Clears the directory where this item is going to be installed into.

Retrieves the character set for the given table.

Strips any invalid characters based on value/charset pairs.

Retrieve translations from WordPress Translation API.

Handles sending a password retrieval email to a user.

Outputs the login page header.

Displays the fields for the new user account registration form.

Shows a form for returning users to sign up for another site.

Shows a form for a visitor to sign up for a new user account.

Shows a form for a user or visitor to sign up for a new site.

Generates and displays the Sign-up and Create Site forms.

Updates an item, if appropriate.

Upgrades WordPress core.

Upgrades several language packs at once.

Checks that the package source contains .mo and .po files.

Upgrades several plugins at once.

Checks that the source package contains a valid plugin.

Deactivates a plugin before it is upgraded.

Deletes the old plugin during an upgrade.

Upgrades several themes at once.

Checks that the package source contains a valid theme.

Connects to the filesystem.

Downloads a package.

Unpacks a compressed package file.

Install a package.

Constructor.

Removes a theme.

Retrieves theme installer pages from the WordPress.org Themes API.

Executes the user search query.

Sends a confirmation request email when a change of user email address is attempted.

Constructor.

Constructor.

Populate network settings.

Updates an existing Category or creates a new Category.

Retrieves plugin installer pages from the WordPress.org Plugins API.

Validates the plugin path.

Activates multiple plugins.

Removes directory and files of a plugin for a list of plugins.

Attempts activation of plugin in a “sandbox” and redirects on success.

Edit user settings based on contents of $_POST

Downloads an image from the specified URL, saves it as an attachment, and optionally attaches it to a post.

Saves a file submitted from a POST request and create an attachment post for it.

Handles a side-loaded file in the same way as an uploaded file is handled by media_handle_upload() .

Saves a post submitted with XHR.

Creates a new post from the “Write Post” form using $_POST information.

Renames $_POST data from form names to DB post columns.

Handles dimming a comment via AJAX.

Handles adding a tag via AJAX.

Upgrades the core of WordPress.

Inserts a link into the database, or updates an existing link.

Returns the menu formatted to edit.

Constructor.

Downloads a URL to a local temporary file using the WordPress HTTP API.

Calculates and compares the MD5 of a file to its expected value.

Unzips a specified ZIP file to a location on the filesystem via the WordPress Filesystem Abstraction.

Attempts to unzip an archive using the ZipArchive class.

Attempts to unzip an archive using the PclZip library.

Copies a directory from one location to another via the WordPress Filesystem Abstraction.

Handles customize_save WP Ajax request to save/update a changeset.

Schedules a recurring event.

Reschedules a recurring event.

Unschedules a previously scheduled event.

Unschedules all events attached to the hook with the specified arguments.

Updates the cron option with the new cron array.

Schedules an event to run only once.

Authenticates a user, confirming the login credentials are valid.

Sends an email, similar to PHP’s mail function.

Constructor for WP_Theme.

Sets or updates current image size.

Resizes current image.

Crops Image.

Rotates current image counter-clockwise by $angle.

Flips current image.

Saves current image to file.

Streams current image to browser.

Loads image from $this->file into new Imagick Object.

Sets Image Compression quality on a 1-100% scale.

Handles an HTTP redirect and follows it if appropriate.

Send a HTTP request to a URI using PHP Streams.

Send a HTTP request to a URI using cURL extension.

Dispatches a HTTP request to a supporting transport.

Send an HTTP request to a URI.

Validates a single query.

Transforms a single query, from one field to another.

Generates a permalink for a taxonomy term archive.

Determines if the given object is associated with any of the given terms.

Updates term based on arguments provided.

Retrieves the terms associated with the given object(s), in the supplied taxonomies.

Creates term and taxonomy relationships.

Removes term(s) associated with a given object.

Adds a new term to the database.

Merges all term children into a single array of their IDs.

Retrieves the terms in a given taxonomy or list of taxonomies.

Creates or modifies a taxonomy object.

Retrieves object IDs of valid taxonomy and term.

Gets all term data from database by term ID.

Sets Image Compression quality on a 1-100% scale.

Fetches result from an oEmbed provider for a specific format and complete provider URL

Builds SimplePie object based on RSS or Atom feed from URL.

Updates a user in the database.

Retrieves a user row based on password reset key and login.

Handles registering a new user.

Inserts a user into the database.

Authenticates a user, confirming the username and password are valid.

Authenticates the user using the WordPress auth cookie.

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.

Loads image from $this->file into new GD Resource.

Resizes current image.

Crops Image.

Rotates current image counter-clockwise by $angle.

Flips current image.

Inserts or update a post.

Updates a post with new post data.

Registers a post type.

Inserts post data into the posts table as a post revision.

Activates a signup.

Creates a site.

Sanitizes and validates data required for a user sign-up.

Processes new site registrations.

Adds a user to a blog, along with specifying the user’s role.

Removes a user from a blog.

Assign a format to a post

Saves the properties of a menu or create a new menu with those properties.

Saves the properties of a menu item or create a new one.

Logs user in.

Wraps errors in a nice header and footer and dies.

Determines whether MySQL database is at least the required minimum version.

Sets the table prefix for the WordPress tables.

Finds and invokes the widget update and control callbacks.

Converts a widget setting ID (option path) to its id_base and number components.

Sets the status of a comment.

Updates an existing comment in the database.

Validates whether this comment is allowed to be made.