wp-includes/rest-api/endpoints/class-wp-rest-font-families-controller.php:214Deletes a single font family.
$requestWP_REST_RequestWP_REST_Response|WP_Error public function delete_item( $request ) { $force = isset( $request['force'] ) ? (bool) $request['force'] : false; // We don't support trashing for font families. if ( ! $force ) { return new WP_Error( 'rest_trash_not_supported', /* translators: %s: force=true */ sprintf( __( 'Font faces do not support trashing. Set "%s" to delete.' ), 'force=true' ), array( 'status' => 501 ) ); } return parent::delete_item( $request ); }Introduced in 6.5.0. 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-font-families-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.