wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php:265Retrieves all users.
$requestWP_REST_RequestWP_REST_Response|WP_ErrorOne hook fires while WP_REST_Users_Controller::get_items() runs, in this order:
Filters WP_User_Query arguments when querying users via the REST API.
public function get_items( $request ) { // Retrieve the list of registered collection query parameters. $registered = $this->get_collection_params(); /* * This array defines mappings between public API query parameters whose * values are accepted as-passed, and their internal WP_Query parameter * name equivalents (some are the same). Only values which are also * present in $registered will be set. */ $parameter_mappings = array( 'exclude' => 'exclude', 'include' => 'include', 'order' => 'order', 'per_page' => 'number', 'search' => 'search', 'roles' => 'role__in', 'capabilities' => 'capability__in', 'slug' => 'nicename__in', ); $prepared_args = array(); /* * For each known parameter which is both registered and present in the request, * set the parameter's value on the query $prepared_args. */ foreach ( $parameter_mappings as $api_param => $wp_param ) { if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) { $prepared_args[ $wp_param ] = $request[ $api_param ]; } } if ( isset( $registered['offset'] ) && ! empty( $request['offset'] ) ) { $prepared_args['offset'] = $request['offset']; } else { $prepared_args['offset'] = ( $request['page'] - 1 ) * $prepared_args['number']; } if ( isset( $registered['orderby'] ) ) { $orderby_possibles = array( 'id' => 'ID', 'include' => 'include', 'name' => 'display_name', 'registered_date' => 'registered', 'slug' => 'user_nicename', 'include_slugs' => 'nicename__in', 'email' => 'user_email', 'url' => 'user_url', ); $prepared_args['orderby'] = $orderby_possibles[ $request['orderby'] ]; } if ( isset( $registered['who'] ) && ! empty( $request['who'] ) && 'authors' === $request['who'] ) { $prepared_args['who'] = 'authors'; } elseif ( ! current_user_can( 'list_users' ) ) { $prepared_args['has_published_posts'] = get_post_types( array( 'show_in_rest' => true ), 'names' ); } if ( ! empty( $request['has_published_posts'] ) ) { $prepared_args['has_published_posts'] = ( true === $request['has_published_posts'] ) ? get_post_types( array( 'show_in_rest' => true ), 'names' ) : (array) $request['has_published_posts']; } if ( ! empty( $prepared_args['search'] ) ) { if ( ! current_user_can( 'list_users' ) ) { $prepared_args['search_columns'] = array( 'ID', 'user_login', 'user_nicename', 'display_name' ); } $search_columns = $request->get_param( 'search_columns' ); $valid_columns = isset( $prepared_args['search_columns'] ) ? $prepared_args['search_columns'] : array( 'ID', 'user_login', 'user_nicename', 'user_email', 'display_name' ); $search_columns_mapping = array( 'id' => 'ID', 'username' => 'user_login', 'slug' => 'user_nicename', 'email' => 'user_email', 'name' => 'display_name',Introduced in 4.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.