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<?php

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/**

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* REST API: WP_REST_Users_Controller class

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* @package WordPress

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* @subpackage REST_API

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* @since 4.7.0

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/**

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* Core class used to manage users via the REST API.

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* @since 4.7.0

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* @see WP_REST_Controller

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class WP_REST_Users_Controller extends WP_REST_Controller {

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/**

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* Instance of a user meta fields object.

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* @since 4.7.0

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* @var WP_REST_User_Meta_Fields

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protected $meta;

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/**

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* Whether the controller supports batching.

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* @since 6.6.0

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* @var array

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protected $allow_batch = array( 'v1' => true );

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/**

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* Constructor.

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* @since 4.7.0

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public function __construct() {

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$this->namespace = 'wp/v2';

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$this->rest_base = 'users';

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$this->meta = new WP_REST_User_Meta_Fields();

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}

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/**

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* Registers the routes for users.

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* @since 4.7.0

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* @see register_rest_route()

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public function register_routes() {

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register_rest_route(

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$this->namespace,

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'/' . $this->rest_base,

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array(

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array(

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'methods' => WP_REST_Server::READABLE,

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'callback' => array( $this, 'get_items' ),

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'permission_callback' => array( $this, 'get_items_permissions_check' ),

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'args' => $this->get_collection_params(),

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array(

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'methods' => WP_REST_Server::CREATABLE,

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'callback' => array( $this, 'create_item' ),

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'permission_callback' => array( $this, 'create_item_permissions_check' ),

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'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),

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'allow_batch' => $this->allow_batch,

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'schema' => array( $this, 'get_public_item_schema' ),

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)

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);

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register_rest_route(

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$this->namespace,

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'/' . $this->rest_base . '/(?P<id>[\d]+)',

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array(

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'args' => array(

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'id' => array(

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'description' => __( 'Unique identifier for the user.' ),

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'type' => 'integer',

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array(

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'methods' => WP_REST_Server::READABLE,

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'callback' => array( $this, 'get_item' ),

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'permission_callback' => array( $this, 'get_item_permissions_check' ),

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'args' => array(

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'context' => $this->get_context_param( array( 'default' => 'view' ) ),

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array(

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'methods' => WP_REST_Server::EDITABLE,

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'callback' => array( $this, 'update_item' ),

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'permission_callback' => array( $this, 'update_item_permissions_check' ),

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'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),

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array(

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'methods' => WP_REST_Server::DELETABLE,

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'callback' => array( $this, 'delete_item' ),

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'permission_callback' => array( $this, 'delete_item_permissions_check' ),

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'args' => array(

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'force' => array(

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'type' => 'boolean',

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'default' => false,

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'description' => __( 'Required to be true, as users do not support trashing.' ),

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'reassign' => array(

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'type' => 'integer',

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'description' => __( 'Reassign the deleted user\'s posts and links to this user ID.' ),

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'required' => true,

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'sanitize_callback' => array( $this, 'check_reassign' ),

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'allow_batch' => $this->allow_batch,

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'schema' => array( $this, 'get_public_item_schema' ),

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)

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);

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register_rest_route(

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$this->namespace,

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'/' . $this->rest_base . '/me',

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array(

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array(

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'methods' => WP_REST_Server::READABLE,

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'permission_callback' => '__return_true',

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'callback' => array( $this, 'get_current_item' ),

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'args' => array(

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'context' => $this->get_context_param( array( 'default' => 'view' ) ),

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array(

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'methods' => WP_REST_Server::EDITABLE,

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'callback' => array( $this, 'update_current_item' ),

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'permission_callback' => array( $this, 'update_current_item_permissions_check' ),

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'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),

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array(

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'methods' => WP_REST_Server::DELETABLE,

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'callback' => array( $this, 'delete_current_item' ),

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'permission_callback' => array( $this, 'delete_current_item_permissions_check' ),

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'args' => array(

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'force' => array(

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'type' => 'boolean',

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'default' => false,

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'description' => __( 'Required to be true, as users do not support trashing.' ),

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'reassign' => array(

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'type' => 'integer',

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'description' => __( 'Reassign the deleted user\'s posts and links to this user ID.' ),

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'required' => true,

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'sanitize_callback' => array( $this, 'check_reassign' ),

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'schema' => array( $this, 'get_public_item_schema' ),

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)

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);

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}

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/**

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

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* The value can be an integer, 'false', false, or ''.

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* @since 4.7.0

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* @param int|bool $value The value passed to the reassign parameter.

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* @param WP_REST_Request $request Full details about the request.

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* @param string $param The parameter that is being sanitized.

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* @return int|bool|WP_Error

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public function check_reassign( $value, $request, $param ) {

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if ( is_numeric( $value ) ) {

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return $value;

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}

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if ( empty( $value ) || false === $value || 'false' === $value ) {

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return false;

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}

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return new WP_Error(

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'rest_invalid_param',

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__( 'Invalid user parameter(s).' ),

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array( 'status' => 400 )

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);

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}

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/**

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* Permissions check for getting all users.

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* @since 4.7.0

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* @param WP_REST_Request $request Full details about the request.

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* @return true|WP_Error True if the request has read access, otherwise WP_Error object.

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public function get_items_permissions_check( $request ) {

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// Check if roles is specified in GET request and if user can list users.

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if ( ! empty( $request['roles'] ) && ! current_user_can( 'list_users' ) ) {

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return new WP_Error(

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'rest_user_cannot_view',

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__( 'Sorry, you are not allowed to filter users by role.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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// Check if capabilities is specified in GET request and if user can list users.

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if ( ! empty( $request['capabilities'] ) && ! current_user_can( 'list_users' ) ) {

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return new WP_Error(

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'rest_user_cannot_view',

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__( 'Sorry, you are not allowed to filter users by capability.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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if ( 'edit' === $request['context'] && ! current_user_can( 'list_users' ) ) {

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return new WP_Error(

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'rest_forbidden_context',

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__( 'Sorry, you are not allowed to edit users.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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if ( in_array( $request['orderby'], array( 'email', 'registered_date' ), true ) && ! current_user_can( 'list_users' ) ) {

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return new WP_Error(

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'rest_forbidden_orderby',

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__( 'Sorry, you are not allowed to order users by this parameter.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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if ( 'authors' === $request['who'] ) {

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$types = get_post_types( array( 'show_in_rest' => true ), 'objects' );

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foreach ( $types as $type ) {

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if ( post_type_supports( $type->name, 'author' )

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&& current_user_can( $type->cap->edit_posts ) ) {

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return true;

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}

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}

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return new WP_Error(

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'rest_forbidden_who',

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__( 'Sorry, you are not allowed to query users by this parameter.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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return true;

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}

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/**

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* Retrieves all users.

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* @since 4.7.0

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* @param WP_REST_Request $request Full details about the request.

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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.

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public function get_items( $request ) {

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// Retrieve the list of registered collection query parameters.

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$registered = $this->get_collection_params();

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* This array defines mappings between public API query parameters whose

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* values are accepted as-passed, and their internal WP_Query parameter

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* name equivalents (some are the same). Only values which are also

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* present in $registered will be set.

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$parameter_mappings = array(

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'exclude' => 'exclude',

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'include' => 'include',

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'order' => 'order',

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'per_page' => 'number',

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'search' => 'search',

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'roles' => 'role__in',

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'capabilities' => 'capability__in',

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'slug' => 'nicename__in',

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);

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$prepared_args = array();

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* For each known parameter which is both registered and present in the request,

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* set the parameter's value on the query $prepared_args.

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foreach ( $parameter_mappings as $api_param => $wp_param ) {

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if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {

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$prepared_args[ $wp_param ] = $request[ $api_param ];

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}

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}

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if ( isset( $registered['offset'] ) && ! empty( $request['offset'] ) ) {

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$prepared_args['offset'] = $request['offset'];

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} else {

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$prepared_args['offset'] = ( $request['page'] - 1 ) * $prepared_args['number'];

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}

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if ( isset( $registered['orderby'] ) ) {

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$orderby_possibles = array(

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'id' => 'ID',

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'include' => 'include',

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'name' => 'display_name',

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'registered_date' => 'registered',

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'slug' => 'user_nicename',

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'include_slugs' => 'nicename__in',

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'email' => 'user_email',

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'url' => 'user_url',

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);

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$prepared_args['orderby'] = $orderby_possibles[ $request['orderby'] ];

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}

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if ( isset( $registered['who'] ) && ! empty( $request['who'] ) && 'authors' === $request['who'] ) {

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$prepared_args['who'] = 'authors';

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} elseif ( ! current_user_can( 'list_users' ) ) {

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$prepared_args['has_published_posts'] = get_post_types( array( 'show_in_rest' => true ), 'names' );

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}

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if ( ! empty( $request['has_published_posts'] ) ) {

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$prepared_args['has_published_posts'] = ( true === $request['has_published_posts'] )

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? get_post_types( array( 'show_in_rest' => true ), 'names' )

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: (array) $request['has_published_posts'];

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}

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if ( ! empty( $prepared_args['search'] ) ) {

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if ( ! current_user_can( 'list_users' ) ) {

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$prepared_args['search_columns'] = array( 'ID', 'user_login', 'user_nicename', 'display_name' );

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}

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$prepared_args['search'] = '*' . $prepared_args['search'] . '*';

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}

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/**

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* Filters WP_User_Query arguments when querying users via the REST API.

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* @link https://developer.wordpress.org/reference/classes/wp_user_query/

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* @since 4.7.0

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* @param array $prepared_args Array of arguments for WP_User_Query.

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* @param WP_REST_Request $request The REST API request.

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$prepared_args = apply_filters( 'rest_user_query', $prepared_args, $request );

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$query = new WP_User_Query( $prepared_args );

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$users = array();

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foreach ( $query->results as $user ) {

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if ( 'edit' === $request['context'] && ! current_user_can( 'edit_user', $user->ID ) ) {

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continue;

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}

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$data = $this->prepare_item_for_response( $user, $request );

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$users[] = $this->prepare_response_for_collection( $data );

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}

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$response = rest_ensure_response( $users );

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// Store pagination values for headers then unset for count query.

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$per_page = (int) $prepared_args['number'];

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$page = (int) ceil( ( ( (int) $prepared_args['offset'] ) / $per_page ) + 1 );

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$prepared_args['fields'] = 'ID';

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$total_users = $query->get_total();

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if ( $total_users < 1 ) {

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// Out-of-bounds, run the query again without LIMIT for total count.

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unset( $prepared_args['number'], $prepared_args['offset'] );

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$count_query = new WP_User_Query( $prepared_args );

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$total_users = $count_query->get_total();

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}

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$response->header( 'X-WP-Total', (int) $total_users );

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$max_pages = (int) ceil( $total_users / $per_page );

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$response->header( 'X-WP-TotalPages', $max_pages );

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$base = add_query_arg( urlencode_deep( $request->get_query_params() ), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );

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if ( $page > 1 ) {

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$prev_page = $page - 1;

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if ( $prev_page > $max_pages ) {

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$prev_page = $max_pages;

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}

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$prev_link = add_query_arg( 'page', $prev_page, $base );

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$response->link_header( 'prev', $prev_link );

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}

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if ( $max_pages > $page ) {

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$next_page = $page + 1;

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$next_link = add_query_arg( 'page', $next_page, $base );

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$response->link_header( 'next', $next_link );

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}

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return $response;

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}

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/**

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* Get the user, if the ID is valid.

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* @since 4.7.2

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* @param int $id Supplied ID.

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* @return WP_User|WP_Error True if ID is valid, WP_Error otherwise.

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protected function get_user( $id ) {

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$error = new WP_Error(

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'rest_user_invalid_id',

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__( 'Invalid user ID.' ),

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array( 'status' => 404 )

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);

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if ( (int) $id <= 0 ) {

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return $error;

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}

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$user = get_userdata( (int) $id );

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if ( empty( $user ) || ! $user->exists() ) {

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return $error;

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}

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if ( is_multisite() && ! is_user_member_of_blog( $user->ID ) ) {

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return $error;

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}

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return $user;

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}

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/**

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

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* @since 4.7.0

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* @param WP_REST_Request $request Full details about the request.

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* @return true|WP_Error True if the request has read access for the item, otherwise WP_Error object.

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public function get_item_permissions_check( $request ) {

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$user = $this->get_user( $request['id'] );

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if ( is_wp_error( $user ) ) {

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return $user;

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}

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$types = get_post_types( array( 'show_in_rest' => true ), 'names' );

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if ( get_current_user_id() === $user->ID ) {

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return true;

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}

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if ( 'edit' === $request['context'] && ! current_user_can( 'edit_user', $user->ID ) ) {

[455] Fix | Delete

return new WP_Error(

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'rest_forbidden_context',

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__( 'Sorry, you are not allowed to edit this user.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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if ( ! current_user_can( 'edit_user', $user->ID ) && ! current_user_can( 'list_users' ) && ! count_user_posts( $user->ID, $types ) ) {

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return new WP_Error(

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'rest_user_cannot_view',

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__( 'Sorry, you are not allowed to list users.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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return true;

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}

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[473] Fix | Delete

/**

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* Retrieves a single user.

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* @since 4.7.0

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* @param WP_REST_Request $request Full details about the request.

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* @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.

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public function get_item( $request ) {

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$user = $this->get_user( $request['id'] );

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if ( is_wp_error( $user ) ) {

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return $user;

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}

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$user = $this->prepare_item_for_response( $user, $request );

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$response = rest_ensure_response( $user );

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[490] Fix | Delete

return $response;

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}

[492] Fix | Delete

[493] Fix | Delete

/**

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* Retrieves the current user.

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* @since 4.7.0

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[498] Fix | Delete

* @param WP_REST_Request $request Full details about the request.

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